Engine Oil

for 2021 GMC Sierra 1500 5.3L V8 · 4WD

Fluid Type

0W-20 full synthetic

Spec: dexos1 Gen 2

Capacity

8qt

7.57 L

Drain & Refill

8 qt

7.57 L

Change Interval

5,000 mi

8,045 km

Notes

Capacity with filter. L84 engine (5.3L with Dynamic Fuel Management). GM oil life monitor typically indicates 7500-10000 miles under normal conditions.

Buy on Amazon

As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

Automatic Transmission

12 qt

Washer Fluid

1.2 qt

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.

Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI

Share:X Reddit FB WhatsApp Threads Email

⚠ STILL BEHIND THE PAYWALL

The 2021 GMC Sierra 1500 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.

The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.

Sponsor the GMC Sierra 1500 — $99 →

Building an app?

Free API access to all this data — 50 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →