Complete Oil Specifications
Your 2022 GMC Terrain 1.5L requires 0W-20 full synthetic engine oil that meets General Motors’ strict dexos1 Gen 3 specification.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API/GM Rating | dexos1 Gen 3 / API SP |
| ILSAC Rating | GF-6A |
| Capacity (with filter) | 4.2 quarts (FWD)* |
| Oil Filter | ACDelco PF64 |
| Normal Interval | Up to OLM (Oil Life Monitor) max 7,500 miles or 1 year (Follow OLM) |
*Note: AWD (All-Wheel Drive) models have a different oil pan design and require 5.3 quarts of oil.
Why 0W-20 and dexos1 Gen 3 are Critical
The 1.5L turbocharged engine is highly susceptible to Low-Speed Pre-Ignition (LSPI)—a condition where fuel ignites prematurely in the cylinders, potentially destroying pistons. The dexos1 Gen 3 specification was engineered specifically with specialized calcium/magnesium detergent packages to prevent LSPI while ensuring maximum turbocharger protection at extreme temperatures.
Using incorrect oil will:
- ❌ Vastly increase the risk of catastrophic engine damage via LSPI
- ❌ Provide inadequate turbo bearing lubrication
- ❌ Potentially void your GM powertrain warranty
GMC-Approved Oil Brands
-
✅ GM Genuine dexos1 Gen 3 0W-20
-
✅ Mobil 1 Advanced Fuel Economy 0W-20
-
✅ Castrol Edge 0W-20
-
✅ Pennzoil Platinum Full Synthetic 0W-20
-
✅ Valvoline Advanced Full Synthetic 0W-20
Always verify that the bottle features the official green or blue dexos1 Gen 3 badge on the front label. If it only says API SP or ILSAC GF-6A without the dexos badge, it has not been certified by General Motors.
Severe Service Check
The Terrain features an Oil Life Monitor (OLM) that analyzes your driving habits to predict oil wear. Under severe use, OLM commonly triggers service earlier (often in the 3,000-5,000 mile range), especially if you:
- Make frequent short trips of less than 5 miles
- Drive in exceptionally dusty, dirty, or sandy conditions
- Idle frequently or process heavy stop-and-go traffic daily
- Tow a small trailer or consistently carry roof-mounted accessories in extreme heat
Installation Details
Drain Plug Torque: 18 ft-lbs
The drain plug utilizes an integrated rubber seal. Inspect the seal and replace the entire drain plug if the rubber is torn or heavily flattened to prevent slow leaks.
OEM Filter: ACDelco PF64
Aftermarket Filters:
-
Mobil 1 M1-113A
-
Wix 57060
-
K&N HP-1017
Pro Tip: Your Terrain uses a traditional ACDelco spin-on oil filter located underneath the vehicle, near the oil pan. Always apply a thin coat of fresh oil to the filter gasket before tightening it by hand. Never use a wrench to tighten an oil filter.
FAQs
What oil does a 2022 GMC Terrain 1.5L take?
It requires 0W-20 full synthetic engine oil approved to the GM dexos1 Gen 3 specification.
How many quarts does it need?
Front-Wheel Drive (FWD) models take 4.2 quarts (4.0 liters) with a filter change. All-Wheel Drive (AWD) models take 5.3 quarts (5.0 liters). Always check the dipstick after starting the engine.
Can I use 5W-30 instead?
No. Using 5W-30 is not recommended by GM for the 1.5L engine and can limit critical oil flow to the turbocharger upon cold starts.
Is full synthetic oil really required?
Yes. Only extremely high-quality full synthetic formulations can pass the stringent testing required to earn the dexos1 Gen 3 approval badge.
How often should I change the oil?
Change the oil as indicated by the Oil Life Monitor on the dashboard, and do not exceed 7,500 miles or 1 year between changes.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-02-23 | Source: Needs OEM source confirmation (manual/spec page URL pending).