2021 head-to-head · Full-Size Pickup

2021 Honda Ridgeline vs Jeep Gladiator Diesel

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
$2,214/ year to fuel
21 MPG

AWD · 3.5L 6-cyl · 9-speed automatic · 21 MPG

✓ Cheaper to run
$2,312/ year to fuel
24 MPG

The 2021 Honda Ridgeline is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $2,214 a year to fuel (21 MPG), versus $2,312 for the 2021 Jeep Gladiator Diesel (24 MPG). That's roughly $98 a year, or about $491 over five years.

Your numbers

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

Fuel cost over 10 years

  • Honda Ridgeline
  • Jeep Gladiator Diesel

Side by side

Honda RidgelineJeep Gladiator Diesel
$2,214 Your annual fuel cost $2,312
21 MPG Combined efficiency 24 MPG
18 MPG City 22 MPG
24 MPG Highway 28 MPG
441 g/mi Tailpipe CO₂ (g/mi) 423 g/mi
4/10 EPA fuel economy score 5/10
4/10 EPA greenhouse gas score 4/10
Gas Powertrain Diesel
Regular gasoline Fuel Diesel
3.5L 6-cyl Engine / motor 3.0L 6-cyl turbo
9-speed automatic Transmission 8-speed automatic
AWD 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.

Honda Ridgeline vs Jeep Gladiator Diesel across model years

  • Honda Ridgeline
  • Jeep Gladiator Diesel

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 Honda Ridgeline ranks 10th and the Jeep Gladiator Diesel 11th for lowest fuel cost.

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

Frequently asked questions

Which is more fuel-efficient, the 2021 Honda Ridgeline or the 2021 Jeep Gladiator Diesel?

Measured by cost to drive, the Honda Ridgeline. The Honda Ridgeline is rated 21 MPG combined and the Jeep Gladiator Diesel 24 MPG (EPA, most efficient configuration of each).

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

At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $2,214 for the Honda Ridgeline and $2,312 for the Jeep Gladiator Diesel.

Honda Ridgeline vs Jeep Gladiator Diesel in other years

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