2021 GMC Canyon Specs
6 powertrain configurations on federal record for the 2021 GMC Canyon: 2.5L 4-cyl Regular Gasoline; 3.6L 6-cyl Regular Gasoline; 2.8L 4-cyl Diesel, in Rear-Wheel Drive and 4-Wheel Drive, rated up to 23 MPG combined by the EPA.
Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research
| Engine | Transmission | Drivetrain | City | Highway | Combined |
|---|---|---|---|---|---|
| 2.5L 4-cyl Regular Gasoline | Automatic 6-spd | Rear-Wheel Drive | 19 | 25 | 22 |
| 3.6L 6-cyl Regular Gasoline | Automatic 8-spd | Rear-Wheel Drive | 18 | 25 | 21 |
| 2.5L 4-cyl Regular Gasoline | Automatic 6-spd | 4-Wheel Drive | 19 | 24 | 21 |
| 3.6L 6-cyl Regular Gasoline | Automatic 8-spd | 4-Wheel Drive | 16 | 22 | 18 |
| 2.8L 4-cyl Diesel | Automatic 6-spd | 4-Wheel Drive | 19 | 28 | 22 |
| 2.8L 4-cyl Diesel | Automatic 6-spd | Rear-Wheel Drive | 20 | 30 | 23 |
Canyon by year
Buying a used Canyon? Specs are the easy half.
see the live Canyon value by year, then check the specific car: the Full VIN Report shows that VIN's factory build, recall record, and market history before you pay for it.
Frequently asked questions
What engines does the 2021 GMC Canyon have?
3 engines on federal record: 2.5L 4-cyl Regular Gasoline; 3.6L 6-cyl Regular Gasoline; 2.8L 4-cyl Diesel, offered with Automatic 6-spd, Automatic 8-spd and Rear-Wheel Drive or 4-Wheel Drive. The full per-configuration table is above.
What gas mileage does the 2021 GMC Canyon get?
EPA combined ratings run 18–23 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.
How do I get the specs for my exact VIN?
These are the federal-record configurations for the 2021 GMC Canyon overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.
Where does this data come from?
The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).