The 2021 GMC Canyon uses different oils depending on the engine: gasoline engines generally require Dexos1 Gen 2 5W-30 full synthetic oil, while the Duramax diesel uses Dexos2 5W-40 full synthetic oil.
Below is a detailed look at the engine options for the 2021 Canyon and the corresponding oil specifications. This guidance helps ensure proper lubrication, engine performance, and longevity across the Canyon’s powertrain lineup.
Engine options and oil requirements
Use this quick guide to identify the correct oil specification for each available engine in the 2021 Canyon. The following list covers the primary powertrains offered for that model year.
- 2.5L I4 gasoline engine: Dexos1 Gen 2, 5W-30 (full synthetic).
- 3.6L V6 gasoline engine: Dexos1 Gen 2, 5W-30 (full synthetic).
- 2.8L Duramax diesel engine: Dexos2, 5W-40 (full synthetic).
When selecting oil, always verify the exact specification for your vehicle using the owner's manual or GM's Dexos guidelines for your VIN, as emission controls and service intervals can influence exact recommendations.
Details by engine
2.5L I4 gasoline engine
The 2.5L inline-four gasoline engine in the 2021 Canyon typically requires Dexos1 Gen 2 5W-30 full synthetic oil. This spec is designed for GM’s newer gasoline engines and supports efficient cold starts and high-temperature performance. Follow the vehicle’s oil life monitor and GM’s service recommendations for oil changes.
3.6L V6 gasoline engine
The 3.6L V6 gasoline option also uses Dexos1 Gen 2 5W-30 full synthetic oil. This ensures adequate protection for the larger displacement while maintaining fuel economy and engine cleanliness. Use the same oil monitoring and service intervals as advised by GM for this engine.
2.8L Duramax diesel engine
The diesel-powered Canyon with the 2.8L Duramax requires Dexos2 5W-40 full synthetic oil. Diesel engines have different lubrication needs, particularly for turbocharged operation and soot handling, so Dexos2 is specified to meet those requirements. Diesel oil changes and intervals will follow GM’s diesel maintenance schedule and OLM guidance.
Summary
For the 2021 GMC Canyon, gasoline engines (2.5L I4 and 3.6L V6) use Dexos1 Gen 2 5W-30 full synthetic oil, while the Duramax 2.8L diesel uses Dexos2 5W-40 full synthetic oil. Always confirm the exact specification and oil capacity for your VIN in the owner's manual or with a GM dealer, and follow the oil life monitor for optimal maintenance timing.
What oil is recommended for GMC Canyon?
5W-30
Mobil 1 – High Mileage 5W-30 Full Synthetic Motor Oil, Protection For 10K Miles, 5 Quart (Part No. 120769)
What kind of oil does my 2021 GMC Canyon take?
What Kind Of Oil Does The GMC Canyon Use? The recommended GMC Canyon oil type for most newer models is 5W-30 full synthetic motor oil. This oil type provides optimal protection in a range of temperatures and Lincoln driving conditions, helping improve fuel efficiency and prolong engine life.
How much oil does a 2.7 L GMC Canyon take?
6 quarts
Capacity: 6 quarts (with filter).
What does the W in 0W-20 and 5W-30 mean?
Winter
The first number ends with the letter 'W', which stands for Winter. This measurement is related to how an oil flows when it is cold, such as at engine start-up. The second number is defined by how an oil flows when at higher temperatures normal engine operating temperatures.