2021 Chevrolet Suburban Oil Type & Capacity
The 2021 Chevrolet Suburban oil type depends on the engine: the 3.0L takes 0W-20 (7.0 quarts qt with filter); the 5.3L takes 0W-20 (8.0 quarts qt with filter); the 6.2L takes 0W-40 (8.0 quarts qt with filter); the Commercial, 4WD takes 0W-20 (8.0 quarts qt with filter); the Commercial, RWD takes 0W-20 (8.0 quarts qt with filter); the Z71 takes 0W-20 (8.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 3.0L: 0W-20, 7.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 5.3L: 0W-20, 8.0 quarts with filter
- 6.2L: 0W-40, 8.0 quarts with filter
- 6.2L: 0W-40, 8.0 quarts with filter
- Commercial, 4WD: 0W-20, 8.0 quarts with filter
- Commercial, RWD: 0W-20, 8.0 quarts with filter
- Z71: 0W-20, 8.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 3.0L — High Country, 3.0L Eng VIN T, 4WD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — High Country, 3.0L Eng VIN T, RWD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — LS, 3.0L Eng VIN T, RWD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — LS, 3.0L Eng VIN T, 4WD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — LT, 3.0L Eng VIN T, 4WD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — LT, 3.0L Eng VIN T, RWD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — Premier, 3.0L Eng VIN T, 4WD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — Premier, 3.0L Eng VIN T, RWD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — RST, 3.0L Eng VIN T, RWD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 3.0L — RST, 3.0L Eng VIN T, 4WD, 3.0L Eng | API - SAE 0W-20 | 7.00 QTS. | 6.50 QTS. | DEXOS D |
| 5.3L — LS, 5.3L Eng VIN D, 4WD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — LS, 5.3L Eng VIN D, RWD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — LT, 5.3L Eng VIN D, 4WD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — LT, 5.3L Eng VIN D, RWD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — Premier, 5.3L Eng VIN D, 4WD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — Premier, 5.3L Eng VIN D, RWD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — RST, 5.3L Eng VIN D, 4WD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 5.3L — RST, 5.3L Eng VIN D, RWD, 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| 6.2L — High Country, 6.2L Eng VIN L, 4WD, 6.2L Eng | API - SAE 0W-40 DexosR | 8.00 QTS. | 7.50 QTS. | GM Engine Oil Recall: Fill engine with NEW 0W-40 Engine Oil. Replace the oil fill cap with the NEW 0W-40 oil cap Part No.12713787 |
| 6.2L — High Country, 6.2L Eng VIN L, RWD, 6.2L Eng | API - SAE 0W-40 DexosR | 8.00 QTS. | 7.50 QTS. | GM Engine Oil Recall: Fill engine with NEW 0W-40 Engine Oil. Replace the oil fill cap with the NEW 0W-40 oil cap Part No.12713787 |
| Commercial, 4WD — 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| Commercial, RWD — 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
| Z71 — 5.3L Eng | API - SAE 0W-20 | 8.00 QTS. | 7.50 QTS. | Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. |
More factory specs & repair guides for your Suburban
🛞 2021 Chevrolet Suburban Tire Size & Pressure →🌧️ 2021 Chevrolet Suburban Wiper Blade Sizes →💡 2021 Chevrolet Suburban Light Bulb Sizes →📖 2021 Chevrolet Suburban Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
6.14 quarts (5.81 L) — 50/50 mixture of DEX-COOL and clean, drinkable water
Frequently asked questions
What type of oil does a 2021 Chevrolet Suburban take?
It depends on the engine: 3.0L uses 0W-20; 5.3L uses 0W-20; 6.2L uses 0W-40; Commercial, 4WD uses 0W-20; Commercial, RWD uses 0W-20; Z71 uses 0W-20.
What is the oil capacity of a 2021 Chevrolet Suburban?
Oil capacity depends on the engine: 3.0L holds 7.0 quarts with filter; 5.3L holds 8.0 quarts with filter; 6.2L holds 8.0 quarts with filter; Commercial, 4WD holds 8.0 quarts with filter; Commercial, RWD holds 8.0 quarts with filter; Z71 holds 8.0 quarts with filter.
How often should I change the oil in my 2021 Chevrolet Suburban?
Most 2021 Chevrolet Suburban owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Chevrolet recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2021 Chevrolet Suburban?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2021 Chevrolet Suburban. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.