2023 · Full-Size Pickup · Diesel
2023 Jeep Gladiator Diesel MPG & fuel economy
The 2023 Jeep Gladiator Diesel is a full-size pickup offered in 2 EPA-rated configurations. The most efficient version returns 24 MPG combined (22 city / 28 highway) on diesel. Efficiency is unchanged from the 2022 model. Among 20 full-size pickups rated for 2023, it ranks 14th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,312 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2023 Jeep Gladiator Diesel's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 9.4 km/L in the city and 11.9 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 22 | 9.4 | 10.7 |
| Highway | 28 | 11.9 | 8.4 |
| Combined | 24 | 10.2 | 9.8 |
How it ranks among 2023 Full-Size Pickups
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Gladiator Diesel MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD · 3.0L 6-cyl turbo · 8-speed automatic Gladiator EcoDiesel 4WD |
Diesel | 22 MPG | 28 MPG | 24 MPG | — | $2,312 |
| 4WD · 3.0L 6-cyl turbo · 8-speed automatic Gladiator Rubic EcoDiesel 4WD |
Diesel | 21 MPG | 27 MPG | 24 MPG | — | $2,312 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- 4WD
- Tailpipe CO₂
- 423 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 4/10
2023 Jeep Gladiator Diesel vs. rivals
Compare the 2023 Gladiator Diesel
With any other car from any year, including other Gladiator Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2023 Jeep Gladiator (19 MPG)
Frequently asked questions
What is the gas mileage of the 2023 Jeep Gladiator Diesel?
Up to 24 MPG combined (22 city / 28 highway).
What fuel does the 2023 Jeep Gladiator Diesel use?
Diesel.
What is the fuel average in km/L for the 2023 Jeep Gladiator Diesel?
The 2023 Jeep Gladiator Diesel's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 9.4 km/L in the city and 11.9 km/L on the highway.
How much does it cost to fuel the 2023 Jeep Gladiator Diesel per year?
About $2,312 at 15,000 miles a year with $3.70/gal diesel fuel, or $15.42 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.