Marque
Audi — Owner Clubhouses
23 models · 50 generations · 0 live / 50 coming soon
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100 1 gen
A3 3 gens
Y2K Era
SoonAudi A3
8P (2nd Generation US)
2006–2013 · 8P · hatchback
US A3 8P came as a Sportback (5-door hatch) only. 2.0T FSI (BPY engine) early, switched to TSI (CCTA) after 2009 LCI. 3.2L VR6 quattro early in the run (rare and prized now). TDI diesel 2010-2013. 6-speed manual or DSG dual-clutch. Shares MQB / PQ35 platform with VW Golf Mk5/Mk6.
Watch out: 2.0T BPY FSI: carbon buildup on intake valves, HPFP failures, ignition coils, diverter valves — the canonical Mk5 GTI maintenance list. CCTA TSI improved on most of those but added timing chain tensioner concerns. DSG mechatronic fluid changes are non-optional.
Modern Era
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8V (3rd Generation US)
2015–2020 · 8V · sedan
US A3 8V switched from hatchback to sedan body — Audi correctly read the US market preference. MQB platform shared with VW Golf Mk7 / GTI / Golf R / Audi TT Mk3. EA888 Gen 3 (CXSB / CXSA / CYBB) 1.8T or 2.0T. S3 (2.0T, 292 hp) and RS3 (2.5L turbo five-cylinder, 400 hp) brought serious performance variants to the US for the first time.
Watch out: EA888 Gen 3 improvements over Gen 2 are real but the family still demands attention to PCV valve, water pump, and timing chain components. DSG fluid service intervals. The 2.5T five-cylinder in the RS3 is its own conversation — it's exceptional and demands premium maintenance.
Modern Era
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8Y (4th Generation US)
2022–2026 · 8Y · sedan
MQB Evo platform. EA888 Evo4 2.0T in A3 / S3 (310 hp). 2.5T inline-five carries forward in the RS3 8Y (401 hp, US-market torque-vectoring rear differential). 7-speed S tronic DSG. MIB3 infotainment with 10.1-inch screen. The RS3 is the headline — five-cylinder turbo with torque-vectoring AWD is a unique configuration in the segment.
Watch out: Too new for a defining failure pattern. EA888 Evo4 should improve on earlier-gen oil-consumption and chain-tensioner concerns but service history matters. RS3 5-cylinder demands premium oil and intervals — don't stretch them.
A4 6 gens
Radwood Era
SoonAudi A4
B5 (1st Generation)
1996–2001 · B5 · sedan
The B5 is the first-generation Audi A4, replacing the Audi 80 / 90 in the US in the 1996 model year. Body styles include sedan and Avant wagon. Engines include the AEB / AWM 1.8T turbocharged four (US 150 hp) and the AHA / ATQ 2.8 V6 (later 30-valve), with quattro all-wheel-drive optional and standard on the V6.
Watch out: 1.8T oil sludge from extended oil change intervals on early non-synthetic regimens is the well-documented headline issue and was the subject of an Audi/VW class settlement that extended warranty for affected cars. Owner reports of timing belt service criticality (interference engines), control arm wear on the front suspension and Pentosin power steering / hydraulic system leaks are routine.
Y2K Era
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B6 (2nd Generation)
2002–2005 · B6 · sedan
The B6 A4 is the second-generation Audi A4, on sale in the US from 2002 through 2005. Body styles include sedan, Avant wagon and cabriolet. Engines include the AMB / AWM 1.8T turbocharged four (K03 turbo, 170 hp US) and the 3.0 V6, with the BBK 4.2 V8 in the S4. The multitronic CVT was introduced for front-wheel-drive cars.
Watch out: 1.8T oil sludge from extended oil change intervals is the headline B6 issue and is covered by the Audi/VW oil sludge settlement extending warranty on affected cars. Owner reports of multitronic CVT failures, control arm wear (the 'eight-bow' front suspension), and timing belt service criticality (interference engine) are routine.
Y2K Era
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B7 (3rd Generation)
2005–2008 · B7 · sedan
The B7 A4 is the facelift evolution of the B6 platform, sold in the US from 2005 through 2008. It introduced Audi's single-frame grille design language. Engines include the late 1.8T, the new 2.0T FSI (BPY) direct-injection turbo four, the 3.2 FSI V6 and the BBK 4.2 V8 in the S4. The B7 RS4 used the BNS 4.2 V8.
Watch out: 2.0T FSI (BPY) carbon buildup on intake valves, high-pressure fuel pump cam follower wear, and timing chain tensioner wear on certain engines are well-documented issues. Owner reports of timing belt service criticality on 1.8T and 3.2, multitronic CVT failures on FWD cars, and front control arm wear continue from the B6.
Y2K Era
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B8 (4th Generation)
2009–2016 · B8 · sedan
B8 A4 ran the EA888 2.0L turbo four (Gen 1 then Gen 2 mid-cycle) and a 3.2L FSI V6 on early cars. Quattro AWD was widely optioned. Known issues include early EA888 timing chain tensioner failure (Gen 1, pre-2013), excess oil consumption on the same Gen 1 engines, and PCV diaphragm failure. The 2013 facelift brought Gen 2 EA888 with most of those addressed.
Watch out: EA888 Gen 1 (2009-2012) oil consumption from worn piston rings. A 1 quart per 1,000 miles burn is common. Audi settled a class action; window closed.
Modern Era
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B9 (5th Generation)
2017–2023 · B9 · sedan
B9 sits on the MLB Evo platform shared with the Q5 and A5. EA888 Gen 3 2.0L turbo four runs Audi's B-cycle (a variable Miller/Atkinson-style efficiency mode). Virtual Cockpit digital instrument panel optional then standard. The 2020 mid-cycle refresh added a 48V mild-hybrid on most US cars. Reliability is dramatically improved over the B8.
Watch out: Water pump and thermostat housing leaks. Plastic housings crack around 60k-90k miles. A $500 part with a four-hour labor bill.
Modern Era
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B10 / A5 (6th Generation)
2024–2026 · B10 · sedan
Audi rebranded the combustion B10 as the A5 starting with the 2025 model year. Same MLB Evo successor chassis, same EA888 evo4 family engine, same Quattro option. Audi reserved even-numbered names (A4, A6, A8) for future EVs and odd numbers (A5, A7) for combustion. The car is still the A4 in spirit. The infotainment moved to a triple-screen MMI panoramic display.
Watch out: Naming confusion is the buyer's biggest hurdle. The 2024 was the last car badged A4; 2025+ is badged A5 sedan despite being the direct successor.
A5 2 gens
Y2K Era
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B8 (1st Generation)
2008–2016 · B8 · coupe
The B8 A5 is the first-generation Audi A5, sharing its MLB platform with the B8 A4. US sales ran from 2008 (model year 2008) through 2016 in coupe and cabriolet bodies (the Sportback hatch was not federalized for the US in the B8 era). Engines include the 2.0 TFSI four, the 3.2 FSI V6 (early) and the 3.0 TFSI supercharged V6 (later).
Watch out: 2.0 TFSI (EA888 generations 1 and 2) excessive oil consumption is the headline issue and is the subject of class-action litigation in the US. Owner reports of carbon buildup on intake valves, timing chain tensioner wear on early Gen 2 EA888 engines, and water pump life across both four and six-cylinder cars are routine.
Modern Era
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B9 (2nd Generation)
2017–2099 · B9 · coupe
The B9 A5 is the second-generation Audi A5, launched for the 2017 model year on the MLB Evo platform shared with the B9 A4. US bodies include coupe, cabriolet and Sportback (five-door hatch), with the EA888 Gen 3 2.0 TFSI inline-four standard.
Watch out: EA888 Gen 3 is widely considered a major improvement over earlier 2.0 TFSI generations on oil consumption, but owner reports of water pump life, PCV diaphragm and intake-system carbon buildup continue. The B9-era MMI / Virtual Cockpit electronics draw mixed owner feedback in the used market.
A6 3 gens
Y2K Era
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C6 (3rd Generation)
2005–2011 · C6 · sedan
First Audi to wear the big single-frame grille. 3.2L FSI V6, 4.2L V8, 3.0T supercharged V6 late in run. 5.2L V10 (BXA, derived from Lamborghini Gallardo) in the S6 and the supercar-engined RS6 sedan/Avant globally — RS6 Avant never officially US. C6 LCI in 2009. Allroad and Avant body styles.
Watch out: 3.2L V6 FSI: carbon buildup is the textbook example for the whole industry. Multitronic CVT in some FWD trims: reliability poor on hard use. Pre-LCI MMI 2G is slow and dated. V10 S6: timing chain tensioners on the FSI V10 are documented expensive.
Modern Era
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C7 (4th Generation)
2012–2018 · C7 · sedan
Cleaner C-pillar styling, more aluminum in the body, MMI 3G+. 2.0T EA888 (A6 2.0T), 3.0T supercharged V6 (CGWB/CTUA, the volume engine), 3.0 TDI diesel (impacted by Dieselgate), 4.0T biturbo V8 in S6 / S7 / RS7. The 3.0T became Audi's defining engine of this generation.
Watch out: 3.0T supercharged: water pump failure (well-documented expensive repair), supercharger snout bearing wear, carbon buildup on intakes. 4.0T V8 (S6/S7/RS7): timing chain stretch and PCV valve issues. TDI cars: emissions software updates and post-Dieselgate compliance servicing.
Modern Era
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C8 (5th Generation)
2019–2026 · C8 · sedan
MLB Evo platform. Twin-touchscreen MMI Touch interior — Audi's design statement of the era. 48V mild-hybrid system standard. 3.0T TFSI V6 with electric supercharger / belt-starter on US gas cars. 4.0T biturbo V8 (480 hp) in S6 / S7. The C8 RS6 Avant (591 hp) is the cult model — first US RS6 since the C5 era.
Watch out: Twin-touchscreen MMI has had haptic-feedback and dropout issues — multiple software updates issued. 48V mild-hybrid system out-of-warranty replacement cost is the unknown for early-build cars. RS6 Avant tire/brake wear is exotic-tier.
A7 2 gens
Modern Era
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C7 (1st Generation)
2012–2018 · C7 · liftback
First Audi A7 — five-door fastback (liftback) sister to the C7 A6 sedan. 3.0T supercharged V6 (CGWB / CTUA) was the volume engine. 3.0 TDI diesel impacted by Dieselgate. 4.0T biturbo V8 in S7 (420 hp) and RS7 (560 hp, later 605 in Performance trim). Considered one of the cleanest-looking sedan-class cars of the decade.
Watch out: 3.0T supercharged: water pump failure (engine-out repair if you want to do it right), supercharger snout bearing wear. 4.0T V8 (S7/RS7): timing chain stretch, PCV diaphragm, COD lifter wear. TDI cars: emissions software updates and Dieselgate-era recall history mandatory check.
Modern Era
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C8 (2nd Generation)
2019–2026 · C8 · liftback
Same shell idiom as the C7 — five-door fastback. 3.0T TFSI V6 with 48V mild hybrid (335-340 hp). 4.0T biturbo V8 (444 hp S7 / 591 hp RS7 / 621 hp RS7 Performance). Twin-touchscreen MMI Touch matches the A6 C8. RS7 Sportback is the C8-era halo Audi sedan-class car in the US (alongside the RS6 Avant).
Watch out: MMI Touch software polish issues — multiple updates issued. 48V mild-hybrid out-of-warranty cost unknown. RS7 brakes and tires are exotic-tier. 4.0T V8 carbon buildup and chain-stretch concerns from earlier generations have improved but service history matters.
A8 3 gens
Y2K Era
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D3 (2nd Generation)
2004–2010 · D3 · sedan
Aluminum Audi Space Frame (ASF) body. 4.2L V8 (BFM / BVJ), 6.0L W12 (BHT), 4.2 TDI V8 diesel, and the S8 D3 (BSM 5.2L FSI V10, derived from Lamborghini Gallardo, 444 hp). MMI 2G infotainment introduced. A long-wheelbase A8L was the volume seller; standard wheelbase rare in the US.
Watch out: V8 timing chain rattle (back of engine, transmission-out service to fix) on neglected cars. Air suspension compressor failures and bag leaks. W12 cars: catastrophic if neglected, and parts logistics are expensive. S8 V10: same FSI carbon and chain-tensioner story as the V10 S6.
Modern Era
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D4 (3rd Generation)
2011–2018 · D4 · sedan
ASF aluminum body refined. 3.0T supercharged V6 (CGWA / CTGA, the volume engine in the US), 4.0T biturbo V8 (S8, 520 hp / 605 hp Plus), 4.2 FSI V8 early, 6.3L W12 in the W12 (long-wheelbase only), and 3.0/4.2 TDI diesels (Dieselgate fallout). LED matrix headlights pioneered the segment.
Watch out: 3.0T supercharged: water pump (engine-out for the right repair), supercharger snout bearing, intake-valve carbon. 4.0T V8: timing chain stretch, PCV diaphragm. Air suspension and ADS (Adaptive Air Suspension) failures. MMI 3G can lock up and require module reflash.
Modern Era
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D5 (4th Generation)
2019–2026 · D5 · sedan
MLB Evo platform. 3.0T TFSI V6 with 48V mild hybrid (335 hp, A8 55 TFSI), 4.0T biturbo V8 (S8, 563 hp), W12 dropped from the US. Triple-screen interior — virtual cockpit plus dual MMI Touch displays. Predictive active suspension (uses front camera to pre-load each wheel) was a launch-marquee feature. Long-wheelbase L only in the US.
Watch out: Predictive active suspension is amazing when working and an expensive repair when not — verify all four corners function on a used purchase. MMI Touch dual-display polish issues fixed via OTAs. 48V mild-hybrid out-of-warranty cost still unknown.
allroad 2 gens
Y2K Era
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C5 (1st Generation US Allroad)
2001–2005 · C5 · wagon
The C5 allroad (badged 'allroad quattro' in lowercase) is the first allroad sold in the US, on sale from 2001 through 2005. It is a raised, plastic-clad C5 A6 Avant with four-corner adjustable air suspension. The US engine is the APB / BES 2.7T twin-turbocharged V6, paired with a 5-speed tiptronic automatic or, in limited numbers, a 6-speed manual.
Watch out: Air suspension compressor and bag failures are the headline C5 allroad issue and are the dominant reason owners convert to coil-over kits. 2.7T turbocharger and timing belt service costs are routine concerns, and Pentosin hydraulic system leaks (steering, suspension, brakes) appear with age.
Modern Era
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C7 (US allroad)
2013–2016 · C7 · wagon
The 2013-2016 US 'allroad' is a raised, plastic-clad B8.5 A4 Avant. In the US it was sold under the allroad name rather than as A4 allroad (Audi marketed it as the spiritual successor to the C5 allroad). The drivetrain is the EA888 2.0 TFSI inline-four with quattro and 8-speed tiptronic automatic. Note: this is the B8.5 A4 platform, not the C7 A6 platform; the slug uses the marketing name. Verify chassis label before publishing.
Watch out: EA888 Gen 2 / early Gen 3 2.0 TFSI oil consumption is the headline drivetrain issue and is the subject of US class-action litigation. Owner reports of timing chain tensioner wear, water pump life and the routine front-suspension control arm wear of the B8.5 A4 family apply.
Q3 2 gens
Modern Era
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8U (1st Generation)
2015–2018 · 8U · suv
First US Q3. PQ35 platform (the older A3 8P / Tiguan generation). 2.0T TFSI EA888 (CCTA, 200 hp). 6-speed Tiptronic automatic (not DSG). FWD or Quattro AWD. Smallest Audi crossover sold in the US at the time. Short US run — replaced by the F3 second-gen in 2019.
Watch out: EA888 Gen 2 carryover concerns: timing chain tensioner failure on neglected cars (catastrophic), PCV valve, oil consumption. The older Tiptronic torque-converter automatic is more durable than DSG but feels dated. As a low-volume short-run US Audi, dealer service depth varies.
Modern Era
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F3 (2nd Generation)
2019–2026 · F3 · suv
MQB A2 platform shared with VW Tiguan / Skoda Karoq. EA888 Gen 3B / Gen 4 2.0T (CYRB / EA888-Evo4). Quattro AWD with Haldex rear coupling. Sportback (coupe-roof) variant added in 2020. RS Q3 (400 hp 2.5T five-cylinder) is Euro-only — not US.
Watch out: EA888 family pattern: PCV valve, water pump, thermostat housing, intake-valve carbon. DSG fluid service every 40k. Haldex rear differential fluid + filter Audi doesn't widely advertise. MIB3 infotainment polish issues fixed via OTAs.
Q5 2 gens
Y2K Era
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8R (1st Generation)
2009–2017 · 8R · suv
B8-platform crossover (shared with A4 B8). 2.0T TFSI (CAEB / CPMA / CNCD), 3.2L FSI V6 early, 3.0T supercharged V6 (CGWA / CTUA) for the SQ5 from 2014 (354 hp). 2.0 TDI diesel impacted by Dieselgate. Q5 hybrid available 2013-2016. Volume seller for Audi globally — long production run.
Watch out: 2.0T (early): excessive oil consumption was the headline class-action issue (piston ring redesign mid-cycle fixed most cases). Timing chain tensioner failure on early Gen-2 2.0T cars — catastrophic if it lets go. 3.0T supercharged (SQ5): water pump failure and supercharger snout bearing wear.
Modern Era
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FY (2nd Generation)
2018–2026 · FY · suv
Moved to MLB Evo platform shared with A4 B9 / A5 B9. 2.0T TFSI EA888 Gen 3B (CYRB), then Gen 4 from 2021 LCI; 3.0T TFSI V6 (DCBC) in the SQ5 (349 hp). Q5 PHEV (55 TFSI e) added. 2021 LCI brought MIB3 infotainment with center touchscreen, replacing MMI rotary controller. SQ5 Sportback (coupe-roof variant) added 2021.
Watch out: EA888 Gen 3B: PCV valve, water pump, thermostat housing — the family pattern continues. SQ5 3.0T (turbocharged, not supercharged like the 8R): intake-valve carbon and PCV diaphragm. 7-speed S tronic DSG: fluid service every 40k regardless of Audi's longer suggestion.
Q7 2 gens
Y2K Era
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4L (1st Generation)
2007–2015 · 4L · suv
Built on the MLB platform shared with the VW Touareg and Porsche Cayenne first generations. 3.6L FSI VR6 early, 3.0T supercharged V6 from 2011, 4.2 FSI V8 (BAR / BTQ), 6.0L V12 TDI in Europe only, 3.0 TDI V6 diesel (Dieselgate fallout). True three-row seating. 2011 LCI added MMI 3G.
Watch out: 3.0T supercharged: water pump and thermostat housing failures, supercharger snout bearing. 4.2 V8: timing chain rattle on neglected cars (transmission-out for the right service). TDI: emissions software updates and post-Dieselgate residual value drop. Air suspension components fail on the highest-mileage examples.
Modern Era
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4M (2nd Generation)
2017–2026 · 4M · suv
Major weight reduction over the 4L. 2.0T TFSI in the base Q7 45 TFSI, 3.0T TFSI V6 (DCBC) in Q7 55 TFSI, 4.0T TFSI biturbo V8 in the SQ7 (500 hp from 2020+). Three-row seating standard. 2020 LCI brought MIB3 dual-touchscreen interior matching the A6 / A7 / A8.
Watch out: 3.0T TFSI (turbocharged V6): timing chain tensioner concerns on early cars (Audi extended warranty), carbon buildup on intakes. 4.0T V8 (SQ7): same timing chain stretch and PCV diaphragm patterns as S6/S7/RS7. MMI Touch dual-screen polish issues fixed via OTAs.
Q8 1 gen
R8 2 gens
Y2K Era
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Type 42 (1st Generation)
2008–2015 · 42 · coupe
First-gen R8 (Type 42). Mid-engined, aluminum spaceframe, side-blade styling. 4.2L FSI V8 (BYH, 420 hp) at launch — the V8 R8 6-speed manual is the cult-classic configuration. 5.2L FSI V10 (BUJ, 525-552 hp) joined 2009. GT versions (V10 GT, 560 hp, 333 units) thinned the herd further. Shared chassis with the original Lamborghini Gallardo.
Watch out: V8 / V10 FSI timing chain tensioners — engine-out service if they fail. Carbon buildup on intake valves (FSI direct injection without port injection). Magnetic ride dampers leak. R tronic single-clutch automatic on early cars is jerky and the manual is much more desirable. Clutch life is short with hard launches.
Modern Era
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Type 4S (2nd Generation)
2017–2024 · 4S · coupe
Second-gen R8, US market years 2017-2024. 5.2L FSI/TFSI V10 only (V8 dropped after first gen). 540 hp (V10), 562 (V10 Plus / V10 Performance), 602 hp (V10 Performance RWD). 7-speed S tronic dual-clutch — no manual on the second-gen US R8. Coupe and Spyder. Shares engine and chassis bones with the Lamborghini Huracán. Production ended Q1 2024 with no direct successor.
Watch out: 5.2L V10 timing chain tensioners — the engine-out repair has appeared on the highest-mileage cars (rare but documented). Direct-injection intake-valve carbon. Magnetic ride dampers leak with age. Carbon ceramic brakes (standard on V10 Plus / Performance) at exotic-car replacement cost.
RS3 1 gen
RS5 2 gens
Modern Era
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B8 (1st Generation)
2013–2015 · B8 · coupe
The B8 RS5 is the first US-market Audi RS5, sold for the 2013 through 2015 model years. It uses the naturally aspirated CFSA 4.2 FSI V8 producing 450 hp at 8,250 rpm. The drivetrain pairs a 7-speed S-tronic dual-clutch transmission with quattro all-wheel-drive featuring a crown-gear center differential.
Watch out: Owner reports of carbon buildup on intake valves (direct injection, high redline accelerates accumulation), high-pressure fuel pump issues and S-tronic mechatronic life are routine for the high-revving 4.2 FSI family. Carbon ceramic brake pad and rotor wear costs (on optional CCB-equipped cars) are a routine ownership consideration.
Modern Era
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B9 (2nd Generation)
2018–2099 · B9 · coupe
The B9 RS5 launched in the US for the 2018 model year, replacing the naturally aspirated 4.2 V8 with a new twin-turbocharged 2.9 TFSI V6 (DECA family, co-developed with Porsche and shared with the Panamera 4S). Output is 444 hp paired with a ZF 8-speed automatic and quattro. US body styles include coupe and Sportback.
Watch out: Too new for a settled long-term failure picture. Owner reports across the 2.9 TFSI family include carbon buildup on intake valves (direct injection), turbocharger oil-line concerns and water pump life. Carbon ceramic brake pad and rotor wear costs (on optional CCB-equipped cars) are a routine ownership consideration.
RS6 Avant 1 gen
RS7 2 gens
Modern Era
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C7 (1st Generation)
2014–2018 · C7 · liftback
4.0T biturbo V8 (CRDB / CWUC) — 560 hp at launch, 605 hp / 553 lb-ft in the RS7 Performance (2016-2018). 8-speed Tiptronic, Quattro AWD with sport differential. Five-door liftback body — practical and ferocious. The C7 RS7 is a cult-favorite used buy now.
Watch out: 4.0T V8: timing chain stretch on early cars, PCV diaphragm, cylinder-on-demand lifter wear. Carbon ceramic brakes (optioned) cost replacement is exotic-tier. Magnetic ride dampers fail and aren't cheap. Premium fuel and 6,000-mile oil intervals — don't stretch them.
Modern Era
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C8 (2nd Generation)
2020–2026 · C8 · liftback
4.0L TFSI biturbo V8 with 48V mild hybrid — 591 hp / 590 lb-ft (621 hp in the RS7 Performance from 2023). 8-speed Tiptronic, Quattro AWD with sport differential. Five-door liftback. Same drivetrain as the C8 RS6 Avant — pick your body. Carbon ceramic brakes, four-wheel steering, and 285/30R22 rolling stock standard or available.
Watch out: Tire/brake consumables at exotic-tier prices. 48V mild-hybrid out-of-warranty replacement cost unknown for early-build cars. MMI Touch dual-screen polish issues fixed via OTAs but worth verifying. Service history at an Audi-specialist shop matters at premium-fuel-and-oil pace.
S3 3 gens
Y2K Era
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8P (2nd Generation, US 2009-2013 grey-market only)
2009–2013 · 8P · hatchback
S3 8P was never officially sold in the US — North American Audi enthusiasts had to wait for the 8V generation. Globally: EA113 / EA888 2.0T (CDLA, 261 hp), Quattro AWD, 6-speed manual or S tronic DSG. Sportback (3- and 5-door hatch) body styles. Considered the spiritual peak of the small-Audi-hot-hatch idiom by Euro enthusiasts.
Watch out: Direct-injection EA888 carbon buildup on intake valves around 60-80k miles — walnut blasting is standard service. Timing chain tensioner concerns on early-Gen3 cars. DSG mechatronic fluid service. As an unofficial-import car in the US, parts logistics and emissions / registration vary by state.
Modern Era
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8V (3rd Generation US)
2015–2020 · 8V · sedan
The first US-market S3. EA888 Gen 3 2.0T (CYFB) — 292 hp / 280 lb-ft. Quattro AWD with Haldex rear coupling. 6-speed DSG (later upgraded to 7-speed during the run). Sedan body only for the US. The S3 8V is often called the best-value performance Audi of its era — A3 chassis with serious dynamics.
Watch out: EA888 Gen 3: PCV valve diaphragms tear (causes lean codes), water pump and thermostat housing leak around 60-80k, timing chain tensioners on neglected cars. DSG: fluid every 40k regardless of Audi's longer suggestion. Haldex rear differential needs a fluid + filter service Audi doesn't widely advertise.
Modern Era
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8Y (4th Generation US)
2022–2026 · 8Y · sedan
EA888 Evo4 2.0T — 306 hp at launch (a bump from 8V), 328 hp after the 2025 refresh. 7-speed S tronic DSG. Quattro Sport differential with torque-vectoring rear (shared with the Golf R) replaces the older Haldex on Premium Plus / Prestige trims. Sedan body, US market.
Watch out: Too new for a defining failure pattern. EA888 Evo4 should mature into the family's most reliable variant. Watch for early-build MIB3 infotainment polish issues fixed via OTA / dealer updates. DSG fluid service remains non-optional.
S4 1 gen
S5 2 gens
Y2K Era
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B8 (1st Generation)
2008–2017 · B8 · coupe
The B8 S5 launched in the US for the 2008 model year as a coupe with the BNS 4.2 FSI V8. Beginning with the 2010 cabriolet and the 2013 coupe facelift, the V8 was replaced by the 3.0 TFSI supercharged V6 (CGWA / CGXC) across S5 trims. Production ran through the 2017 model year for cabriolet.
Watch out: 4.2 FSI V8 timing chain tensioner wear and carbon buildup on intake valves are well-documented concerns on early B8 S5 coupes. On the supercharged 3.0 TFSI cars, owner reports of supercharger snout bearing wear, water pump life and intake-manifold flap motor failures are routine.
Modern Era
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B9 (2nd Generation)
2018–2099 · B9 · coupe
The B9 S5 launched in the US for the 2018 model year, replacing the supercharged 3.0 TFSI V6 with a new twin-scroll turbocharged 3.0 TFSI V6 (codename CWGD in early models) producing 354 hp. US body styles include coupe, cabriolet and Sportback, all with quattro and ZF 8-speed automatic.
Watch out: Too new for a settled long-term failure picture. Owner reports across the turbocharged 3.0 TFSI family include carbon buildup on intake valves (direct injection only on early B9), water pump life, and intake-manifold flap motor failures shared with the supercharged engine. Verify model-year-specific TSBs before publishing detail content.
S6 3 gens
Y2K Era
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C6 (3rd Generation)
2007–2011 · C6 · sedan
5.2L FSI V10 (BXA / BSM) — 435 hp / 398 lb-ft. Shared block architecture with the Lamborghini Gallardo. 6-speed Tiptronic automatic only (no manual in the US). Quattro AWD. C6 Avant version of the S6 existed in Europe but US got sedan only. The C6 S6 sat between the supercharged S6 successors and Audi's gentler V8 cars.
Watch out: FSI V10 timing chain tensioners — engine-out service if they fail, and they do. Intake valve carbon buildup is severe (FSI direct injection without port injection). Magnetic ride dampers leak and aren't cheap. Premium fuel and oil intervals are absolute.
Modern Era
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C7 (4th Generation)
2013–2018 · C7 · sedan
4.0T biturbo V8 (CEUA / CTGE) — 420 hp / 406 lb-ft. 7-speed S tronic DSG. Quattro AWD. Sedan only in the US. The C7 S6 is widely considered the best-balanced of the modern S6 lineup — bandwidth from luxury cruiser to fast sedan without the V10 maintenance burden.
Watch out: 4.0T timing chain stretch on early cars; PCV valve diaphragm tear; cylinder-on-demand (COD) lifter wear on the deactivated cylinders. Carbon buildup on direct-injection intake valves around 60-80k. DSG fluid service is non-optional.
Modern Era
SoonAudi S6
C8 (5th Generation)
2020–2026 · C8 · sedan
Major split between markets. US C8 S6: 2.9L TFSI biturbo V6 (444 hp), 8-speed Tiptronic. Europe C8 S6: 3.0L TDI V6 with electric powered compressor (mild-hybrid, no US version due to Dieselgate fallout). Quattro AWD. Sedan only in the US. Twin-touchscreen MMI Touch interior carries over from the A6 C8.
Watch out: Too new for a defining failure pattern. The 2.9T V6 is shared with the Porsche Macan and RS5 and broadly considered reliable. Twin-touchscreen MMI software polish has been the consistent forum gripe — multiple updates issued.
SQ5 2 gens
Modern Era
SoonAudi SQ5
8R (1st Generation)
2014–2017 · 8R · suv
Performance variant of the Q5 8R. 3.0T supercharged V6 (CTUA / CGWD) — 354 hp / 347 lb-ft. 8-speed Tiptronic. Quattro AWD with sport-tuned suspension and steering. The US never got the SQ5 TDI (diesel) version sold in Europe — only the gas supercharged model.
Watch out: 3.0T supercharged: water pump (engine-out for proper service), supercharger snout bearing wear, intake-valve carbon. Timing chain tensioner concerns on neglected examples. Premium fuel and oil intervals don't stretch.
Modern Era
SoonAudi SQ5
FY (2nd Generation)
2018–2026 · FY · suv
Big engine change from the 8R — supercharger replaced with turbocharger. 3.0T TFSI V6 (DCBC) — 349 hp / 369 lb-ft. 8-speed Tiptronic. Quattro AWD. SQ5 Sportback (coupe-roof) added 2021. 2021 LCI brought MIB3 with center touchscreen, replacing rotary MMI.
Watch out: 3.0T turbocharged: timing chain tensioner on early cars (Audi extended some warranties), PCV diaphragm, intake-valve carbon. Sport differential on optioned cars: fluid service every 40k. The MIB3 center touchscreen has had software polish issues fixed via OTAs.
TT 2 gens
Y2K Era
SoonAudi TT
8J (2nd Generation)
2008–2015 · 8J · coupe
Mostly aluminum body on PQ35 platform. 2.0T TFSI in TT (CESA / CDLB), 3.2L VR6 quattro briefly. TTS (CDLB 2.0T, 265 hp) added 2009. TT RS (CEPA 2.5L turbo five-cylinder, 360 hp at launch) launched 2012 in the US — the cult car of the generation. Coupe and Roadster bodies.
Watch out: 2.0T EA888 family: PCV valve, water pump, intake-valve carbon, timing chain tensioner on neglected cars. 2.5T five-cylinder (TT RS): premium oil and shorter intervals than Audi's guide suggests. Magnetic ride dampers (optioned) leak with age.
Modern Era
SoonAudi TT
8S (3rd Generation)
2016–2023 · 8S · coupe
MQB platform shared with Golf Mk7 / A3 8V. 12.3-inch virtual cockpit was the only display in the dash — Audi's design statement. 2.0T TFSI (CHHB, 220-228 hp), TTS (CJXC, 292 hp), TT RS (DAZA 2.5L turbo five-cylinder, 400 hp). Coupe and Roadster bodies. The TT line ended in 2023 with no direct successor — Audi pivoted to EVs.
Watch out: EA888 Gen 3: PCV diaphragm, water pump, intake-valve carbon. 2.5T five-cylinder (TT RS): premium service mandatory. As a discontinued model, parts logistics and dealer service depth will gradually decline. The TT RS Heritage Edition (2022, 50 US units) is a future collector.