2021 head-to-head · Midsize & Large SUV
2021 Audi SQ8 vs Mercedes-Benz G-Class
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 17 MPG
The 2021 Mercedes-Benz G-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel (18 MPG), versus $3,485 for the 2021 Audi SQ8 (17 MPG). That's roughly $194 a year, or about $968 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi SQ8
- Mercedes-Benz G-Class
Side by side
| Audi SQ8 | Mercedes-Benz G-Class | |
|---|---|---|
| $3,485 | Your annual fuel cost | $3,292 |
| 17 MPG | Combined efficiency | 18 MPG |
| 15 MPG | City | 17 MPG |
| 21 MPG | Highway | 19 MPG |
| 522 g/mi | Tailpipe CO₂ (g/mi) | 494 g/mi |
| 3/10 | EPA fuel economy score | 3/10 |
| 3/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| AWD | 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.
Audi SQ8 vs Mercedes-Benz G-Class across model years
- Audi SQ8
- Mercedes-Benz G-Class
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 65 2021 midsize & large SUVs, the Audi SQ8 ranks 58th and the Mercedes-Benz G-Class 50th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi SQ8 or the 2021 Mercedes-Benz G-Class?
Measured by cost to drive, the Mercedes-Benz G-Class. The Audi SQ8 is rated 17 MPG combined and the Mercedes-Benz G-Class 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi SQ8 vs. the Mercedes-Benz G-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Audi SQ8 and $3,292 for the Mercedes-Benz G-Class.
Audi SQ8 vs Mercedes-Benz G-Class in other years
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