Jeep Gladiator EcoDiesel 4WD: MPG and fuel economy by year

The EPA has rated the Jeep Gladiator EcoDiesel 4WD across 3 model years, from the 2021 Jeep Gladiator EcoDiesel 4WD through the 2023 Jeep Gladiator EcoDiesel 4WD. The most recent 2023 Jeep Gladiator EcoDiesel 4WD returns 24 combined MPG.

Pick a year below to open the full Jeep Gladiator EcoDiesel 4WD page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Jeep Gladiator EcoDiesel 4WD. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2023	2023 Jeep Gladiator EcoDiesel 4WD	24 MPG	22 MPG	28 MPG	$3,400
2022	2022 Jeep Gladiator EcoDiesel 4WD	24 MPG	22 MPG	28 MPG	$3,400
2021	2021 Jeep Gladiator EcoDiesel 4WD	24 MPG	22 MPG	28 MPG	$3,400

How the Jeep Gladiator EcoDiesel 4WD compares against the Standard Pickup Trucks 4WD class

Buyers usually compare the Jeep Gladiator EcoDiesel 4WD against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Pickup Trucks 4WD class for the 2023 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.