The 2026 Jeep Gladiator gets 19 miles per gallon combined.
In the Standard Pickup Trucks 4WD class for 2026, the Gladiator ranks 9th (tied with 3 others) of 12 for combined mileage (19 mpg), 7th (tied with 4 others) of 12 for yearly fuel cost ($3,300 for its cheapest version, cheapest first) and 11th of 12 for tailpipe CO2 (469 grams per mile for its lowest version, lowest first). The middle model of the class gets 21 mpg, costs $3,200 a year and puts out 433.5 grams per mile.
Across all 235 2026 models in the file that burn fuel, the middle best-version figure is 24 mpg and the highest is 57 mpg (Toyota Prius). Of the 234 other models, 191 get more miles per gallon than the 2026 Gladiator's best version, 9 other models get the same and 34 get less. The 2026 Gladiator's cheapest version costs $3,300 a year to fuel by the agency's figure; of the 225 other models with a cost figure, 154 cost less, 2 the same and 69 more.
Open the best-mileage list of this class for 2026. Cost and CO2 in the table are each model's lowest figure over its versions; plug-in hybrid and fuel-cell versions have no fuel cost and are left out of the cost column.
| Place | Model | Best version | mpg | Fuel a year, cheapest version | CO2 g/mi, lowest version |
|---|---|---|---|---|---|
| 8 | 2026 Toyota Tundra | 2026 Tundra Hybrid 4WD | 20 | $3,100 | 439 |
| 9 | 2026 Chevrolet Colorado | 2026 Colorado 4WD | 19 | $3,300 | 462 |
| 9 | 2026 GMC Canyon | 2026 Canyon 4WD | 19 | $3,300 | 462 |
| 9 | 2026 Jeep GladiatorThis car | 2026 Gladiator 4WD | 19 | $3,300 | 469 |
| 9 | 2026 Nissan Frontier | 2026 Frontier 4WD | 19 | $3,300 | 479 |
Pick a 2026 version, then set your miles and fuel price. Fuel price as of 2026-11-14, U.S. Department of Energy / EPA. The price box starts at the dated price of the fuel the picked version burns (regular, midgrade or premium gasoline, diesel, E85 or electricity) and sets the price of that fuel. Miles are limited to 1,000 to 60,000 a year and the price to $0.01 to $20.00; a value outside that is worked out at the nearest limit.
2026 Gladiator 4WD, 6-cyl 3.6 L: 17 mpg city, 22 highway, 19 combined. The agency's own estimate for the 2026 Gladiator version is $3,300 a year (15,000 miles, the agency's fuel prices).
The 3 nearest rivals in the Standard Pickup Trucks 4WD class for 2026, picked by closest combined mileage; only versions with a fuel-cost figure are listed. Same miles as on the left. The price box on the left is the price of the fuel of the version you picked: a rival that burns the same fuel uses that price, a rival that burns another fuel keeps the dated price of its own fuel. The 5-year line is 5 times the yearly gap.
The Colorado costs $301 less to fuel each year.
Over 5 years the Colorado costs $1,505 less to fuel than the Gladiator (5 times the yearly difference, at these miles and these prices).
Dollar gaps use each car's best-mileage version.
| Rival in 2026 | Best version | Combined | Fuel a year, agency (15,000 miles) | Against the Gladiator (mileage) | Agency yearly fuel cost against the Gladiator | Side by side |
|---|---|---|---|---|---|---|
| 2026 Chevrolet Colorado | 2026 Colorado 4WD | 19 mpg | $3,300 | same figure | same | Compare |
| 2026 GMC Canyon | 2026 Canyon 4WD | 19 mpg | $3,300 | same figure | same | - |
| 2026 Nissan Frontier | 2026 Frontier 4WD | 19 mpg | $3,300 | same figure | same | Compare |
EPA test figures for 2026; the last column is the yearly fuel cost against the cheapest version.
| Version | Engine | Gearbox | Drive | City | Highway | Combined | Fuel a year | CO2 g/mi | Fuel vs cheapest |
|---|---|---|---|---|---|---|---|---|---|
| 2026 Gladiator 4WD | 6-cyl 3.6 L | Automatic 8-spd | 4-wheel | 17 | 22 | 19 | $3,300 | 469 | cheapest |
Tailpipe CO2: the 2026 Gladiator 4WD puts out 469 grams per mile.
EPA scores (1 to 10, 10 best) for the 2026 Gladiator 4WD: fuel economy score 4, greenhouse gas score 4.
Best combined figure of the Gladiator gas version each model year since 2016, set against the 2026 model.
| Model year | Best gas version | Versions tested | Against 2026 | |
|---|---|---|---|---|
| 2021 | 24 mpg | 4 | 5 mpg higher than 2026 | |
| 2022 | 24 mpg | 4 | 5 mpg higher than 2026 | |
| 2023 | 24 mpg | 4 | 5 mpg higher than 2026 | |
| 2024 | 19 mpg | 2 | same as 2026 | |
| 2025 | 19 mpg | 1 | same as 2026 | |
| 2026This page | 19 mpg | 1 | this page |
Compared with the 2025 model: 1 version was tested then and 1 now; the best figure went from 19 to 19 mpg (no change).
| Version in 2026 | 2026 | 2025 | Change |
|---|---|---|---|
| 2026 Gladiator 4WD, 6-cyl 3.6 L | 19 mpg | 19 mpg | no change |
Crash-test stars from the U.S. safety agency's 5-Star Safety Ratings, checked 2026-11-14. 5 is the best.
| Vehicle | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2026 JEEP GLADIATOR PU/CC N/A 4WD | not rated | 4 of 5 | not rated | 3 of 5 |
The agency's record for the first rated vehicle also lists 3 complaints, 2 recalls, 0 investigations.
3 complaints for the 2026 Jeep Gladiator are on file (checked 2026-11-14). Complaints are reports that owners sent to the safety agency. They are not proven defects, and the counts are not adjusted for how many cars were sold.
| Part named in the reports | Reports | |
|---|---|---|
| Electrical System | 1 | |
| Engine | 1 | |
| Service Brakes | 1 | |
| Unknown Or Other | 1 |
0 of the 3 reports say the car was in a crash, 1 mentions a fire and 0 mention an injury. One report can name more than one part.
2 recalls are on file for the 2026 Jeep Gladiator at the U.S. safety agency (checked 2026-11-14). A dealer does recall repairs free of charge.
Chrysler (FCA US, LLC) is recalling certain 2026 Jeep Wrangler, Jeep Gladiator, Jeep Compass, Jeep Cherokee, Jeep Grand Cherokee, Jeep Grand Cherokee L, Jeep Grand Wagoneer, Jeep Grand Wagoneer L, Ram Promaster, Ram Promaster EV, Ram 1500, Ram 2500, Chrysler ...
Fix: Radio software will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed beginning September 2, 2026.
Chrysler (FCA US, LLC) is recalling certain 2026 Jeep Gladiator and Jeep Wrangler vehicles. The walls for the steel wheels may be too thin, allowing them to crack or detach, which can result in a loss of vehicle control.
Fix: Dealers will inspect and replace the steel wheels and valve stems, as necessary, free of charge. Owner notification letters are expected to be mailed September 4, 2026.
Other 2026 models of the same agency class, each with its best combined figure. The Gladiator itself is at 19 mpg.
More Jeep models that have a 2026 page here, with the class of each and its best combined figure.
The 2026 Gladiator 4WD with 19 mpg combined (17 city, 22 highway).
The 2026 Jeep Gladiator costs between $3,300 and $3,300 to fuel by the agency's estimate, which assumes 15,000 miles a year. Use the calculator above for your own miles and fuel price.
The 2026 Jeep Gladiator is 9th of 12 for combined mileage. The top of the class is the 2026 Chevrolet Silverado at 24 mpg, and the middle figure for the class is 21 mpg. In the list, the next one ahead is the 2026 GMC Canyon at 19 mpg and the next one behind is the 2026 Nissan Frontier at 19 mpg.
The 2025 model had 1 tested version and the 2026 model has 1. The best figure went from 19 to 19 mpg (no change).
In the agency's 5-Star Safety Ratings (checked 2026-11-14; 5 is the best), the stars are 2026 JEEP GLADIATOR PU/CC N/A 4WD: front 4, rollover 3.
3 complaints for the 2026 Jeep Gladiator are on file at the safety agency (checked 2026-11-14); the part named most often is Electrical System (1 report). Complaints are reports owners sent in, not proven defects.
The agency's database lists 2 recalls for the 2026 Jeep Gladiator (checked 2026-11-14). They are listed above with the repair the maker offers.
For the 2026 Jeep Gladiator: EPA file 2026-11-04; fuel price 2026-11-14; crash tests 2026-11-14; complaints 2026-11-14; recalls 2026-11-14. Not covered: purchase price, towing, reliability, repair and insurance costs.
Mileage and fuel cost for the 2026 Jeep Gladiator: U.S. Environmental Protection Agency, fueleconomy.gov vehicle file (file dated 2026-11-04). Recalls for the 2026 Jeep Gladiator: U.S. National Highway Traffic Safety Administration (checked 2026-11-14). Crash-test ratings for the 2026 Jeep Gladiator: NHTSA 5-Star Safety Ratings (checked 2026-11-14). Complaints for the 2026 Jeep Gladiator: NHTSA (checked 2026-11-14). Fuel prices: U.S. Department of Energy / EPA (2026-11-14). Your own mileage depends on how and where you drive. Where our numbers come from.