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2021-2026 Chevrolet Suburban oil type & capacity

The Suburban came with 3 engines, and they don't all take the same grade or the same number of quarts. Find your engine below.

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3L V6 · 2021–20263.0L-V6

Recommended grade

0W-20

Oil capacity

7 qt (with a fresh filter)

Confirmed from OEM owner's manual + capacity database · verified Jun 2026.

Shop 0W-20 oil on AmazonGet the matching oil filter
Where this came from
  • GM TechLink - 2022 Engine Oil Capacities (With Filter), Chevrolet (Tahoe/Suburban, 3.0L LM2 Duramax) — source
  • CarsCounsel - Chevrolet Suburban Engine Oil Capacity (3.0L Duramax diesel, 2021-2024) — source

5.3L V8 · 2021–20265.3L-V8

Recommended grade

0W-20

Oil capacity

8 qt (with a fresh filter)

Confirmed from OEM owner's manual + capacity database · verified Jun 2026.

Shop 0W-20 oil on AmazonGet the matching oil filter
Where this came from
  • GM TechLink - 2022 Engine Oil Capacities (With Filter), Chevrolet (Tahoe/Suburban, 5.3L L84) — source
  • CarsCounsel - Chevrolet Suburban Engine Oil Capacity (5.3L V8 L84, 2021-2024) — source

6.2L V8 · 2021–20266.2L-V8

Recommended grade

0W-20

Oil capacity

8 qt (with a fresh filter)

Confirmed from OEM owner's manual + capacity database · verified Jun 2026.

Shop 0W-20 oil on AmazonGet the matching oil filter
Where this came from
  • GM TechLink - 2022 Engine Oil Capacities (With Filter), Chevrolet (Tahoe/Suburban, 6.2L L87) — source
  • Bayer Chevrolet - Best Oil for Chevy Tahoe: 5.3L, 6.2L & Diesel (6.2L L87, 0W-20 dexos1, 8 qt) — source

Grade and capacity confirmed against the OEM owner's manual plus an independent source — never changed by what an affiliate link pays us. Your owner's manual is always the final word.