2021 head-to-head · Full-Size Pickup

2021 Ford F150 Diesel vs Jeep Gladiator

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,413/ year to fuel
23 MPG

Part-time 4WD · 3.0L 6-cyl turbo · 10-speed automatic · 23 MPG

✓ Cheaper to run
$2,447/ year to fuel
19 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, the most efficient 2021 Ford F150 Diesel (23 MPG) costs about $2,413 a year to fuel and the 2021 Jeep Gladiator (19 MPG) about $2,447.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Ford F150 Diesel
  • Jeep Gladiator

Side by side

Ford F150 DieselJeep Gladiator
$2,413 Your annual fuel cost $2,447
23 MPG Combined efficiency 19 MPG
20 MPG City 17 MPG
27 MPG Highway 22 MPG
446 g/mi Tailpipe CO₂ (g/mi) 466 g/mi
4/10 EPA fuel economy score 3/10
4/10 EPA greenhouse gas score 3/10
Diesel Powertrain Gas
Diesel Fuel Regular gasoline
3.0L 6-cyl turbo Engine / motor 3.6L 6-cyl
10-speed automatic Transmission 8-speed automatic
Part-time 4WD Drivetrain 4WD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Ford F150 Diesel vs Jeep Gladiator across model years

  • Ford F150 Diesel
  • Jeep Gladiator

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 17 2021 full-size pickups, the Ford F150 Diesel ranks 14th and the Jeep Gladiator 15th for lowest fuel cost.

The powertrains differ: the Ford F150 Diesel is a diesel, while the Jeep Gladiator is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2021 Ford F150 Diesel or the 2021 Jeep Gladiator?

Measured by cost to drive, the Ford F150 Diesel. The Ford F150 Diesel is rated 23 MPG combined and the Jeep Gladiator 19 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Ford F150 Diesel vs. the Jeep Gladiator per year?

At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,413 for the Ford F150 Diesel and $2,447 for the Jeep Gladiator.

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