2021 head-to-head · Full-Size Pickup
2021 Jeep Gladiator Diesel vs Toyota Tundra
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 Jeep Gladiator Diesel is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, it costs about $2,312 a year to fuel (24 MPG), versus $3,100 for the 2021 Toyota Tundra (15 MPG). That's roughly $788 a year, or about $3,938 over five years.
Your numbers
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Fuel cost over 10 years
- Jeep Gladiator Diesel
- Toyota Tundra
Side by side
| Jeep Gladiator Diesel | Toyota Tundra | |
|---|---|---|
| $2,312 | Your annual fuel cost | $3,100 |
| 24 MPG | Combined efficiency | 15 MPG |
| 22 MPG | City | 13 MPG |
| 28 MPG | Highway | 17 MPG |
| 423 g/mi | Tailpipe CO₂ (g/mi) | 601 g/mi |
| 5/10 | EPA fuel economy score | 2/10 |
| 4/10 | EPA greenhouse gas score | 2/10 |
| Diesel | Powertrain | Gas |
| Diesel | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 5.7L 8-cyl |
| 8-speed automatic | Transmission | 6-speed automatic |
| 4WD | Drivetrain | RWD |
✓ 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.
Jeep Gladiator Diesel vs Toyota Tundra across model years
- Jeep Gladiator Diesel
- Toyota Tundra
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 Jeep Gladiator Diesel ranks 11th and the Toyota Tundra 16th for lowest fuel cost.
The powertrains differ: the Jeep Gladiator Diesel is a diesel, while the Toyota Tundra is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 Jeep Gladiator Diesel or the 2021 Toyota Tundra?
Measured by cost to drive, the Jeep Gladiator Diesel. The Jeep Gladiator Diesel is rated 24 MPG combined and the Toyota Tundra 15 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Jeep Gladiator Diesel vs. the Toyota Tundra per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,312 for the Jeep Gladiator Diesel and $3,100 for the Toyota Tundra.
Jeep Gladiator Diesel vs Toyota Tundra in other years
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