2021 Jeep Gladiator MPG
EPA-rated · verified snapshot 2026-08-30 · Standard Pickup Trucks 4WD
The 2021 Jeep Gladiator gets 19 MPG combined — 16 city and 23 highway — in its most efficient configuration (3.6L · 6-cyl · Manual 6-spd · 4-Wheel Drive).
City16 MPG
Highway23 MPG
$3,250Fuel cost / yr (EPA est.)
476 g/miCO₂
RegularFuel
$-5,2505-yr fuel cost vs. average vehicle
3 / 10EPA Fuel Economy & GHG score
Where it sits among trucks (2021)
Every 2021 Gladiator trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 3.6L · 6-cyl · Manual 6-spd · 4-Wheel Drive | 16 | 23 | 19 | $3,250 |
| 3.6L · 6-cyl · Automatic 8-spd · 4-Wheel Drive | 17 | 22 | 19 | $3,250 |
FAQ
Does the 2021 Gladiator get good gas mileage for its class?
The 2021 Gladiator's 19 MPG combined is below the trucks average of 19 MPG for 2021.
How much does it cost to fuel a 2021 Gladiator per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $3,250 for the most efficient trim.
What is the city and highway MPG of the 2021 Gladiator?
The most efficient trim is rated 16 MPG city and 23 MPG highway.