2025 head-to-head · Midsize & Large SUV
2025 Audi Q8 e-tron vs Mercedes-Benz G-Class EV
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 · Electric motors (216 kW) · 2-speed automatic · 62 MPGe · 239 mi
The 2025 Audi Q8 e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $1,166 a year to fuel (78 MPGe), versus $1,458 for the 2025 Mercedes-Benz G-Class EV (62 MPGe). That's roughly $292 a year, or about $1,458 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 Q8 e-tron
- Mercedes-Benz G-Class EV
Side by side
| Audi Q8 e-tron | Mercedes-Benz G-Class EV | |
|---|---|---|
| $1,166 | Your annual fuel cost | $1,458 |
| 78 MPGe | Combined efficiency | 62 MPGe |
| 77 MPGe | City | 68 MPGe |
| 80 MPGe | Highway | 56 MPGe |
| 43.2 kWh | Electricity use (kWh/100 mi) | 54 kWh |
| 272 mi | Driving range | 239 mi |
| 103 cu ft | Passenger volume | — |
| 28 cu ft | Cargo volume | — |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 16 hrs | Charge time at 240V | 14 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motors (313 kW) | Engine / motor | Electric motors (216 kW) |
| Single-speed | Transmission | 2-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 Q8 e-tron vs Mercedes-Benz G-Class EV across model years
- Audi Q8 e-tron
- Mercedes-Benz G-Class EV
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 Audi Q8 e-tron goes farther between stops: about 272 miles on a charge, compared with 239 miles for the Mercedes-Benz G-Class EV.
Among 94 2025 midsize & large SUVs, the Audi Q8 e-tron ranks 16th and the Mercedes-Benz G-Class EV 20th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi Q8 e-tron or the 2025 Mercedes-Benz G-Class EV?
Measured by cost to drive, the Audi Q8 e-tron. The Audi Q8 e-tron is rated 78 MPGe combined and the Mercedes-Benz G-Class EV 62 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi Q8 e-tron vs. the Mercedes-Benz G-Class EV per year?
At 15,000 miles a year with 18¢/kWh electricity, about $1,166 for the Audi Q8 e-tron and $1,458 for the Mercedes-Benz G-Class EV.
Which has more range?
The Audi Q8 e-tron: about 272 miles versus 239 miles.
More 2025 comparisons
Audi Q8 e-tron vs…
Or compare the 2025 Audi Q8 e-tron with anything else: