Jeep · 2021–2023 · Diesel
Jeep Gladiator Diesel MPG by year
The EPA has rated 3 model years of the Jeep Gladiator Diesel, from 2021 to 2023. The most fuel-efficient year is the 2023, at 24 MPG combined in its best configuration. The 2023 model is 9% more efficient than the median full-size pickup that year (24 vs. 22 MPG).
Combined MPG by model year
- Gladiator Diesel, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every Gladiator Diesel model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2023 | Diesel | 24 MPG | 22 / 28 | 22 | — | 2 | $2,312 |
| 2022 | Diesel | 24 MPG | 22 / 28 | 22 | — | 2 | $2,312 |
| 2021 | Diesel | 24 MPG | 22 / 28 | 22 | — | 2 | $2,312 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare Gladiator Diesel model years
See how much a newer Gladiator Diesel would save over an older one.
Models similar to the Jeep Gladiator Diesel
Other Jeep Gladiator versions
Frequently asked questions
Which Jeep Gladiator Diesel year has the best fuel economy?
The 2021 Jeep Gladiator Diesel, rated up to 24 MPG combined. At 15,000 miles a year with $3.70/gal diesel fuel, that works out to about $2,312 a year.
What is the fuel economy of the latest Jeep Gladiator Diesel?
The 2023 Jeep Gladiator Diesel is rated up to 24 MPG combined.