Owner’s manual specs

2018 GMC Terrain Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box

Figures for the 2018 GMC Terrain, copied from GMC’s own owner’s manual. Every one links to the manual page it came from.

From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.

Engines in this manual: 1.5L L4, 1.6L L4, 2.0L L4. Figures that differ by engine say which engine they are for.

Fluids & capacities

All engines

Automatic Transmission

DEXRON-VI Automatic Transmission Fluid.

Applies to: Automatic Transmission

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 361

Engine Coolant

50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0 276.

Applies to: Engine Coolant

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 361

Engine Oil (Diesel)

Engine oil meeting the dexos2 specification of the proper SAE viscosity grade. ACDelco dexos2 is recommended. See Engine Oil 0 269.

Applies to: Engine Oil (Diesel)

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 361

Engine Oil (Gasoline)

Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 269.

Applies to: Engine Oil (Gasoline)

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 361

1.5L L4

Engine Cooling System

7 qt

6.6 L

Applies to: 1.5L L4 Gas Engine

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Engine Oil with Filter

4.2 qt

4 L

Applies to: 1.5L L4 Gas Engine FWD · with filter

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Engine Oil with Filter

5.3 qt

5 L

Applies to: 1.5L L4 Gas Engine AWD · with filter

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

1.6L L4

Engine Cooling System

7.9 qt

7.5 L

Applies to: 1.6L L4 Diesel Engine

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Engine Oil with Filter

5.3 qt

5 L

Applies to: 1.6L L4 Diesel Engine · with filter

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

2.0L L4

Engine Cooling System

8.2 qt

7.8 L

Applies to: 2.0L L4 Gas Engine

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Engine Oil with Filter

5 qt

4.7 L

Applies to: 2.0L L4 Gas Engine FWD · with filter

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Engine Oil with Filter

6 qt

5.7 L

Applies to: 2.0L L4 Gas Engine AWD · with filter

Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 366

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

Service	When
Diesel Engine Only: Replace fuel filter. (3) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 355	Every 30,000 mi(48,000 km)
Replace engine air cleaner filter. (4) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 355	Every 45,000 mi(72,000 km)
Replace passenger compartment air filter. (1) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 355	Every 22,500 mi(36,000 km)
Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Drain the diesel fuel filter of water. (Diesel Only) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 355	Every 7,500 mi(12,000 km)

Severe service schedule

Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.

Service	When
Diesel Engine Only: Replace fuel filter. (3) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 357	Every 30,000 mi(48,000 km)
Replace engine air cleaner filter. (4) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 357	Every 45,000 mi(72,000 km)
Replace passenger compartment air filter. (1) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 357	Every 22,500 mi(36,000 km)
Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Drain the diesel fuel filter of water. (Diesel Only) Source: 2018 GMC Terrain/Terrain Denali Owner Manual, page 357	Every 7,500 mi(12,000 km)