2022 head-to-head · Full-Size Pickup
2022 GMC Sierra 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, the most efficient 2022 GMC Sierra (20 MPG) costs about $2,325 a year to fuel and the 2022 Jeep Gladiator Diesel (24 MPG) about $2,312.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- GMC Sierra
- Jeep Gladiator Diesel
Side by side
| GMC Sierra | Jeep Gladiator Diesel | |
|---|---|---|
| $2,325 | Your annual fuel cost | $2,312 |
| 20 MPG | Combined efficiency | 24 MPG |
| 19 MPG | City | 22 MPG |
| 22 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 |
| 2.7L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| RWD | 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.
GMC Sierra vs Jeep Gladiator Diesel across model years
- GMC Sierra
- 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 19 2022 full-size pickups, the GMC Sierra ranks 13th and the Jeep Gladiator Diesel 12th for lowest fuel cost.
The powertrains differ: the GMC Sierra is a conventional gas model, while the Jeep Gladiator Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2022 GMC Sierra or the 2022 Jeep Gladiator Diesel?
Measured by cost to drive, the Jeep Gladiator Diesel. The GMC Sierra is rated 20 MPG combined and the Jeep Gladiator Diesel 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2022 GMC Sierra 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 $2,325 for the GMC Sierra and $2,312 for the Jeep Gladiator Diesel.
GMC Sierra vs Jeep Gladiator Diesel in other years
More 2022 comparisons
GMC Sierra vs…
Or compare the 2022 GMC Sierra with anything else: