2021 · Full-Size Pickup · Gas
2021 Jeep Gladiator MPG & fuel economy
The 2021 Jeep Gladiator is a full-size pickup offered in 2 EPA-rated configurations. The most efficient version returns 19 MPG combined (17 city / 22 highway) on regular gasoline. Among 17 full-size pickups rated for 2021, it ranks 15th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 Jeep Gladiator's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 9.4 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 22 | 9.4 | 10.7 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2021 Full-Size Pickups
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Gladiator MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD · 3.6L 6-cyl · 8-speed automatic Gladiator 4WD |
Gas | 17 MPG | 22 MPG | 19 MPG | — | $2,447 |
| 4WD · 3.6L 6-cyl · 6-speed manual Gladiator 4WD |
Gas | 16 MPG | 23 MPG | 19 MPG | — | $2,447 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 8-speed automatic
- Drivetrain
- 4WD
- Tailpipe CO₂
- 466 g/mi
- EPA fuel economy score
- 3/10
- EPA greenhouse gas score
- 3/10
2021 Jeep Gladiator vs. rivals
Compare the 2021 Gladiator
With any other car from any year, including other Gladiator model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 Jeep Gladiator Diesel (24 MPG)
Frequently asked questions
What is the gas mileage of the 2021 Jeep Gladiator?
Up to 19 MPG combined (17 city / 22 highway).
What fuel does the 2021 Jeep Gladiator use?
Regular gasoline.
What is the fuel average in km/L for the 2021 Jeep Gladiator?
The 2021 Jeep Gladiator's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 9.4 km/L on the highway.
How much does it cost to fuel the 2021 Jeep Gladiator per year?
About $2,447 at 15,000 miles a year with $3.10/gal regular gas, or $16.32 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.