2023 GMC Terrain Oil Type & Capacity
The 2023 GMC Terrain oil type depends on the engine: the AT4 takes 0W-20 (5.3 quarts qt with filter); the Denali takes 0W-20 (5.3 quarts qt with filter); the SLE, 4WD takes 0W-20 (5.3 quarts qt with filter); the SLE, FWD takes 0W-20 (4.2 quarts qt with filter); the SLT, 4WD takes 0W-20 (5.3 quarts qt with filter); the SLT, FWD takes 0W-20 (4.2 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- AT4: 0W-20, 5.3 quarts with filter
- Denali: 0W-20, 5.3 quarts with filter
- SLE, 4WD: 0W-20, 5.3 quarts with filter
- SLE, FWD: 0W-20, 4.2 quarts with filter
- SLT, 4WD: 0W-20, 5.3 quarts with filter
- SLT, FWD: 0W-20, 4.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| AT4 — 4WD | API - SAE 0W-20 | 5.30 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
| Denali — 4WD | API - SAE 0W-20 | 5.30 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
| SLE, 4WD — 4WD | API - SAE 0W-20 | 5.30 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
| SLE, FWD — FWD | API - SAE 0W-20 | 4.20 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
| SLT, 4WD — 4WD | API - SAE 0W-20 | 5.30 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
| SLT, FWD — FWD | API - SAE 0W-20 | 4.20 QTS. | — | Use only engine oil licensed to the dexos1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. |
More factory specs & repair guides for your Terrain
🛞 2023 GMC Terrain Tire Size & Pressure →🌧️ 2023 GMC Terrain Wiper Blade Sizes →💡 2023 GMC Terrain Light Bulb Sizes →📖 2023 GMC Terrain Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.0 quarts (6.62 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2023 GMC Terrain take?
It depends on the engine: AT4 uses 0W-20; Denali uses 0W-20; SLE, 4WD uses 0W-20; SLE, FWD uses 0W-20; SLT, 4WD uses 0W-20; SLT, FWD uses 0W-20.
What is the oil capacity of a 2023 GMC Terrain?
Oil capacity depends on the engine: AT4 holds 5.3 quarts with filter; Denali holds 5.3 quarts with filter; SLE, 4WD holds 5.3 quarts with filter; SLE, FWD holds 4.2 quarts with filter; SLT, 4WD holds 5.3 quarts with filter; SLT, FWD holds 4.2 quarts with filter.
How often should I change the oil in my 2023 GMC Terrain?
Most 2023 GMC Terrain 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 — GMC recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2023 GMC Terrain?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2023 GMC Terrain. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.