2026 Jeep Gladiator MPG and Fuel Cost
The 2026 Jeep Gladiator is rated 19 mpg combined in the one gas version EPA tested.
EPA fuel economy
2026 Jeep Gladiator · 1 EPA-tested versionEPA rating
19MPG combined
17 city 22 highway
$3,400 a year to fuel
3.6L 6-cyl · 4WD · 8-speed automatic
Best version costs $5,500 more in fuel over 5 years vs the average new vehicle (EPA)
Fuel cost: 15,000 miles a year at EPA's $4.32 a gallon (regular gas).
At EPA's price assumptions, fuel costs about $3,400 a year. Ratings for the best versions are unchanged from 2025.
Every 2026 Gladiator version
EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.
| Version | Combined | City / Hwy | Fuel / year |
|---|---|---|---|
3.6L 6-cyl · 4WD · 8-speed automatic
EPA listing: Gladiator 4WD |
19 mpg | 17 / 22 | $3,400 |
Fuel cost at your prices
EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.32 a gallon for regular gas. Change the numbers to match your driving.
| Version | Per year | 5 years |
|---|---|---|
3.6L 6-cyl · 4WD · 8-speed automatic | $3,411 | $17,053 |
At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.
Jeep Gladiator MPG by model year
The best-rated version in each model year; the highlighted year is this page. Gas: 19 mpg (every year from 2020 to 2026). Diesel: 24 mpg (2021 to 2023).
- Best gas version
- Best diesel version
2026: gas 19 mpg · diesel not offeredTap or drag across the chart for other years.
Show as a table
| Model year | Best gas version | Best diesel version |
|---|---|---|
| 2020 | 19 | – |
| 2021 | 19 | 24 |
| 2022 | 19 | 24 |
| 2023 | 19 | 24 |
| 2024 | 19 | – |
| 2025 | 19 | – |
| 2026 | 19 | – |
How the 2026 Gladiator compares
2026 midsize pickups covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.
| 2026 model | Best combined | Best gas | Fuel / year |
|---|---|---|---|
Best: hybrid |
23 mpg | 23 mpg | $2,800 |
Best: gas |
23 mpg | 23 mpg | $2,800 |
Best: gas |
21 mpg | 21 mpg | $3,100 |
Best: gas |
21 mpg | 21 mpg | $3,100 |
Best: gas |
21 mpg | 21 mpg | $3,100 |
Jeep Gladiator This page Best: gas |
19 mpg | 19 mpg | $3,400 |
2026 Gladiator recalls and complaints
NHTSA lists 2 safety recalls and 3 owner complaints for the 2026 Gladiator.What they cover, and crash test ratingsQuestions
Does the 2026 Jeep Gladiator need premium gas?
No. EPA lists every 2026 Jeep Gladiator version on regular gasoline.
How does the 2026 Gladiator's MPG compare with the 2025?
For 2026, the best gas version is rated 19 mpg, the same as the year before.
Sources and method
- US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 18, 2026.
- EPA fuel price assumptions: regular $4.32, midgrade $4.93, premium $5.32, diesel $6.29 a gallon; electricity $0.15 per kWh.
- Recall and complaint counts: NHTSA recall file dated Sep 27, 2026 and complaint file dated Sep 26, 2026.
Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.