2026 head-to-head · Midsize & Large SUV
2026 GMC Yukon Diesel vs Jeep Grand Wagoneer
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 $3.70/gal diesel fuel and $3.10/gal regular gas, the most efficient 2026 GMC Yukon Diesel (23 MPG) costs about $2,413 a year to fuel and the 2026 Jeep Grand Wagoneer (19 MPG) about $2,447.
Your numbers
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Fuel cost over 10 years
- GMC Yukon Diesel
- Jeep Grand Wagoneer
Side by side
| GMC Yukon Diesel | Jeep Grand Wagoneer | |
|---|---|---|
| $2,413 | Your annual fuel cost | $2,447 |
| 23 MPG | Combined efficiency | 19 MPG |
| 21 MPG | City | 17 MPG |
| 26 MPG | Highway | 24 MPG |
| 442 g/mi | Tailpipe CO₂ (g/mi) | 456 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 | 3.0L 6-cyl turbo |
| 10-speed automatic | Transmission | 8-speed automatic |
| RWD | 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.
GMC Yukon Diesel vs Jeep Grand Wagoneer across model years
- GMC Yukon Diesel
- Jeep Grand Wagoneer
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 91 2026 midsize & large SUVs, the GMC Yukon Diesel ranks 52nd and the Jeep Grand Wagoneer 53rd for lowest fuel cost.
The powertrains differ: the GMC Yukon Diesel is a diesel, while the Jeep Grand Wagoneer is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2026 GMC Yukon Diesel or the 2026 Jeep Grand Wagoneer?
Measured by cost to drive, the GMC Yukon Diesel. The GMC Yukon Diesel is rated 23 MPG combined and the Jeep Grand Wagoneer 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 GMC Yukon Diesel vs. the Jeep Grand Wagoneer 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 GMC Yukon Diesel and $2,447 for the Jeep Grand Wagoneer.
GMC Yukon Diesel vs Jeep Grand Wagoneer in other years
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