2021 · Small Pickup · Diesel
2021 GMC Canyon Diesel MPG & fuel economy
The 2021 GMC Canyon Diesel is a small pickup offered in 2 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 30 highway) on diesel. Across the lineup, combined ratings range from 22 to 23 MPG. Efficiency is unchanged from the 2020 model. Among 5 small pickups rated for 2021, it ranks 5th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,413 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 GMC Canyon Diesel's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.8 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 30 | 12.8 | 7.8 |
| Combined | 23 | 9.8 | 10.2 |
How it ranks among 2021 Small Pickups
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Canyon Diesel MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.8L 4-cyl turbo · 6-speed automatic Canyon 2WD |
Diesel | 20 MPG | 30 MPG | 23 MPG | — | $2,413 |
| 4WD · 2.8L 4-cyl turbo · 6-speed automatic Canyon 4WD |
Diesel | 19 MPG | 28 MPG | 22 MPG | — | $2,523 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 2.8L 4-cyl turbo
- Transmission
- 6-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 435 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 4/10
2021 GMC Canyon Diesel vs. rivals
Compare the 2021 Canyon Diesel
With any other car from any year, including other Canyon Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 GMC Canyon (22 MPG)
Frequently asked questions
What is the gas mileage of the 2021 GMC Canyon Diesel?
Up to 23 MPG combined (20 city / 30 highway); ratings range from 22 to 23 MPG depending on configuration.
What fuel does the 2021 GMC Canyon Diesel use?
Diesel.
What is the fuel average in km/L for the 2021 GMC Canyon Diesel?
The 2021 GMC Canyon Diesel's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.8 km/L on the highway.
How much does it cost to fuel the 2021 GMC Canyon Diesel per year?
About $2,413 at 15,000 miles a year with $3.70/gal diesel fuel, or $16.09 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.