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Prices may varyThis product ranks #15 of 24 in Motor Oil.Three above it ↓
Last reviewed July 2, 2026
TL;DR GM dexosD-licensed 0W-20 with the deepest European OEM approval roster of the three dexosD candidates reviewed: BMW Longlife 04, Mercedes-Benz 229.31, Porsche A40, VW 504 00/508 00, ACEA C3/C5/C6. PAO-blend (Group III/IV) base stock confirmed from the 2023 SDS. Mobil claims a 12,000-mile drain interval; no independent UOA data for the LM2 Duramax application exists to confirm it. Prop 65 warning applies.
Mobil 1 ESP X2 0W-20 is ExxonMobil's entry in the GM dexosD category. The SDS (version 1.01, November 2023) Section 3 identifies a PAO component (1-decene tetramer/trimer hydrogenated, CAS 68649-12-7) alongside a GTL or Group III+ heavy-distillate base (CAS 848301-69-9), a Group III/IV PAO-blend, one step above the pure Group III base stocks used by some dexosD competitors.
The OEM approval list is the broadest in this comparison: GM dexosD, BMW Longlife 04, Mercedes-Benz 229.31, Porsche A40, Volkswagen 504 00/508 00, ACEA C3/C5/C6, Fiat 9.55535-S2, and API SL through SQ, confirmed from mobil.com (2026-07-01). The simultaneous ACEA C3/C5/C6 coverage is unusual; C3 covers older European diesel applications, C5 the current low-viscosity fuel-economy spec, and C6 the ultra-low SAPS extended-drain spec. Covering all three in one product provides versatility for owners with mixed fleets.
Mobil's manufacturer page claims a 12,000-mile drain interval or 1 year, following OEM warranty intervals. For LM2 Duramax owners, the GM Oil Life Monitor (OLM) is the governing drain signal, it is calibrated to the diesel combustion chemistry and typically yields intervals around 7,500 miles under normal use.
Best for LM2 Duramax owners who also have European vehicles (BMW, Mercedes-Benz, Porsche, VW/Audi) and want one oil that covers the whole fleet's 0W-20 spec requirements. It runs a PAO-blend base stock and holds real OEM licenses (GM dexosD plus the BMW, Mercedes-Benz, Porsche, and VW approvals listed above), so the spec coverage is verifiable, not marketing copy.
Available on Amazon in a 6-pack (6 quarts) as of 2026-07-01. If single-quart availability is the priority, check Walmart or the ExxonMobil product locator, the ESP X2 is a European-origin product and availability varies by region.
The SDS (version 1.01, November 2023) §2 explicitly states: "Not considered hazardous by OSHA HazCom Standard ... Not classified", no GHS signal word, no H-codes at mixture level. H304 aspiration hazard does not apply: KV40 = 39.8 mm²/s (from mobil.com TDS) is above the CLP viscosity exemption threshold, and SDS §11 affirmatively states "Not expected to be an aspiration hazard. Based on physico-chemical properties of the material."
The Prop 65 warning is confirmed via the Amazon listing (API proposition_65_warning: true). The ZDDP additive family is listed in SDS §15 under the EPA Clean Water Act Section 307 priority pollutant list, which is consistent with the Prop 65 reproductive hazard pattern for ZDDP-class additives.
SDS §12 states "Not expected to be harmful to aquatic organisms", the affirmative negative statement for this mixture. Used oil should nonetheless go to collection, automotive retailers and municipal hazardous-waste facilities accept it.
Yes. Mobil 1 ESP X2 0W-20 is GM dexosD licensed and meets the requirement for the 3.0L Duramax diesel (LM2 2020-2022, LZ0 2023-present) in the T1XX Sierra 1500 and Silverado 1500. It also carries BMW Longlife 04, Mercedes-Benz 229.31, Porsche A40, and VW 504 00/508 00 approvals, making it one of the most broadly approved dexosD 0W-20 oils for mixed-fleet households with European vehicles.
ESP stands for 'Engine System Protection' · Mobil's name for their low-SAPS diesel and European gasoline oil formulation line. The 'X2' designation indicates this is the 0W-20 viscosity grade variant in the ESP line, optimized for the ultra-low SAPS requirements of modern diesels with diesel particulate filters (DPF). The X2 formulation uses a PAO-blend base stock (Group III/IV) rather than pure Group III, which is disclosed in ExxonMobil's SDS Section 3.
Mobil's product page claims 12,000 miles or 1 year, following OEM warranty intervals. For the LM2 Duramax specifically, follow the Oil Life Monitor (OLM) · GM calibrates it for the diesel combustion chemistry and DPF regeneration cycles. Owners typically see OLM-suggested intervals around 7,500 miles under normal mixed driving. No independent used-oil analysis (UOA) data was found for this specific product in the LM2 Duramax application as of 2026-07-01.
The SDS (version 1.01, November 2023) Section 3 lists a 1-decene tetramer/trimer hydrogenated component (CAS 68649-12-7), which is a polyalphaolefin (PAO) Group IV synthetic, alongside a heavy distillates component (CAS 848301-69-9) consistent with a GTL or Group III+ base stock. This is a PAO-blend formulation (Group III/IV), not a pure Group III mineral synthetic · a meaningful distinction for oxidation stability and low-temperature performance.
Marketing copy from Mobil 1, via Amazon. Not editorial.
Per manufacturer cross-reference. Verify on Amazon before purchase.
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