2026 · Midsize & Large SUV · Gas
2026 Jeep Grand Wagoneer MPG & fuel economy
The 2026 Jeep Grand Wagoneer is a midsize or large SUV offered in 3 EPA-rated configurations. The most efficient version returns 19 MPG combined (17 city / 24 highway) on regular gasoline. Across the lineup, combined ratings range from 18 to 19 MPG. That's up 2 MPG from the 2025 model. Among 91 midsize & large SUVs rated for 2026, it ranks 53rd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2026 Jeep Grand Wagoneer's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 10.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 17 | 7.2 | 13.8 |
| Highway | 24 | 10.2 | 9.8 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2026 Midsize & Large SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Grand Wagoneer MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl turbo · 8-speed automatic Grand Wagoneer 2WD |
Gas | 17 MPG | 24 MPG | 19 MPG | — | $2,447 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic Grand Wagoneer 4WD |
Gas | 17 MPG | 23 MPG | 19 MPG | — | $2,447 |
| AWD · 3.0L 6-cyl turbo · 8-speed automatic Grand Wagoneer L 4WD |
Gas | 16 MPG | 22 MPG | 18 MPG | — | $2,583 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 456 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2026 Jeep Grand Wagoneer vs. rivals
Compare the 2026 Grand Wagoneer
With any other car from any year, including other Grand Wagoneer model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2026 Jeep Grand Wagoneer?
Up to 19 MPG combined (17 city / 24 highway); ratings range from 18 to 19 MPG depending on configuration.
What fuel does the 2026 Jeep Grand Wagoneer use?
Regular gasoline.
What is the fuel average in km/L for the 2026 Jeep Grand Wagoneer?
The 2026 Jeep Grand Wagoneer's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 10.2 km/L on the highway.
How much does it cost to fuel the 2026 Jeep Grand Wagoneer per year?
About $2,447 at 15,000 miles a year with $3.10/gal regular gas, or $16.32 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.