2021 · Small SUV · Gas
2021 Mercedes-Benz GLC-Class MPG & fuel economy
The 2021 Mercedes-Benz GLC-Class is a small SUV offered in 6 EPA-rated configurations. The most efficient version returns 25 MPG combined (22 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 17 to 25 MPG. That's up 1 MPG from the 2020 model. Among 92 small SUVs rated for 2021, it ranks 79th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel.
What will it cost you?
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Fuel average
The 2021 Mercedes-Benz GLC-Class's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.4 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 22 | 9.4 | 10.7 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 25 | 10.6 | 9.4 |
How it ranks among 2021 Small SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
GLC-Class MPG across model years
Full history →6 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.0L 4-cyl turbo · 9-speed automatic GLC300 |
Gas | 22 MPG | 29 MPG | 25 MPG | — | $2,370 |
| 4WD · 2.0L 4-cyl turbo · 9-speed automatic GLC300 4matic Coupe |
Gas | 22 MPG | 28 MPG | 24 MPG | — | $2,469 |
| 4WD · 2.0L 4-cyl turbo · 9-speed automatic GLC300 4matic |
Gas | 21 MPG | 28 MPG | 23 MPG | — | $2,576 |
| 4WD · 3.0L 6-cyl turbo · 9-speed automatic AMG GLC43 4matic |
Gas | 18 MPG | 24 MPG | 20 MPG | — | $2,962 |
| 4WD · 3.0L 6-cyl turbo · 9-speed automatic AMG GLC43 4matic Coupe |
Gas | 17 MPG | 24 MPG | 20 MPG | — | $2,962 |
| 4WD · 4.0L 8-cyl turbo · 9-speed automatic AMG GLC63 4matic Plus |
Gas | 15 MPG | 22 MPG | 17 MPG | — | $3,485 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- 9-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 360 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2021 Mercedes-Benz GLC-Class vs. rivals
Compare the 2021 GLC-Class
With any other car from any year, including other GLC-Class model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2021 Mercedes-Benz GLC-Class?
Up to 25 MPG combined (22 city / 29 highway); ratings range from 17 to 25 MPG depending on configuration.
What fuel does the 2021 Mercedes-Benz GLC-Class use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2021 Mercedes-Benz GLC-Class?
The 2021 Mercedes-Benz GLC-Class's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.4 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 2021 Mercedes-Benz GLC-Class per year?
About $2,370 at 15,000 miles a year with $3.95/gal premium gas, or $15.80 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.