The 2017 GMC Terrain requires synthetic 5W-30 motor oil that meets Dexos1 Gen 2 specifications.
For the Terrain’s typical engine lineup—the 2.4-liter four-cylinder is the standard option, with possible variations depending on market—the recommended oil is Dexos1 Gen 2-compliant synthetic 5W-30. Always verify the exact grade and specification on the vehicle’s oil fill cap or in the owner's manual, as regional specs and trim levels can differ.
Oil type and specification
Key details about the oil you should use and the specification it must meet.
- Synthetic engine oil
- Viscosity: 5W-30
- Specification: Dexos1 Gen 2
- Applications: Suitable for the Terrain’s GM gasoline engines from this model year
Using a Dexos1 Gen 2 5W-30 synthetic oil helps ensure proper lubrication, cold-weather performance, and warranty compliance.
Oil capacity and maintenance interval
Details on how much oil your engine holds and how often to change it.
- Oil capacity (with filter): about 5 quarts (roughly 4.7 liters)
- Recommended oil-change interval: about 7,500 miles (12,000 kilometers) under normal driving conditions with synthetic Dexos1 Gen 2 oil; shorter intervals are advised in severe conditions or with frequent short trips
- Oil filter: replace at every oil change
Always follow the maintenance schedule in your owner's manual or on the under-hood label for the exact interval based on climate and driving patterns.
Practical tips for choosing and using oil
Tips to help you select the right oil and keep your Terrain running smoothly.
- Choose a brand that explicitly lists Dexos1 Gen 2 compatibility and 5W-30 viscosity
- Verify the grade and spec on the dipstick/fill cap and ensure the oil is synthetic if your manual calls for it
- Dispose of used oil and filters at an approved collection site
When in doubt, rely on GM-approved lubricants and have service performed at a dealership or a qualified shop to guarantee Dexos1 Gen 2 compliance and the correct oil capacity.
Summary
In short, the 2017 GMC Terrain takes Dexos1 Gen 2 5W-30 synthetic motor oil, with an approximate capacity of 5 quarts per change and an oil-change interval around 7,500 miles under normal driving. Always confirm the exact specification and capacity in the owner’s manual or on the maintenance label located under the hood.


