2027 head-to-head · Midsize & Large SUV vs Full-Size Pickup
2027 Chevrolet Suburban 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.
4WD · 3.6L 6-cyl · 8-speed automatic · 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 2027 Chevrolet Suburban Diesel (23 MPG) costs about $2,413 a year to fuel and the 2027 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
- Chevrolet Suburban Diesel
- Jeep Gladiator
Side by side
| Chevrolet Suburban Diesel | Jeep Gladiator | |
|---|---|---|
| $2,413 | Your annual fuel cost | $2,447 |
| 23 MPG | Combined efficiency | 19 MPG |
| 21 MPG | City | 17 MPG |
| 26 MPG | Highway | 22 MPG |
| 442 g/mi | Tailpipe CO₂ (g/mi) | 466 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| 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 |
| 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.
Chevrolet Suburban Diesel vs Jeep Gladiator across model years
- Chevrolet Suburban 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
The powertrains differ: the Chevrolet Suburban Diesel is a diesel, while the Jeep Gladiator is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2027 Chevrolet Suburban Diesel or the 2027 Jeep Gladiator?
Measured by cost to drive, the Chevrolet Suburban Diesel. The Chevrolet Suburban 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 2027 Chevrolet Suburban 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 Chevrolet Suburban Diesel and $2,447 for the Jeep Gladiator.
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