2025 head-to-head · Midsize & Large SUV

2025 Audi SQ8 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.

Swap sides
✓ Cheaper to run
$1,299/ year to fuel
70 MPGe
✓ Cheaper to run
$1,458/ year to fuel
62 MPGe

4WD · Electric motors (216 kW) · 2-speed automatic · 62 MPGe · 239 mi

The 2025 Audi SQ8 e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $1,299 a year to fuel (70 MPGe), versus $1,458 for the 2025 Mercedes-Benz G-Class EV (62 MPGe). That's roughly $159 a year, or about $797 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 e-tron
  • Mercedes-Benz G-Class EV

Side by side

Audi SQ8 e-tronMercedes-Benz G-Class EV
$1,299 Your annual fuel cost $1,458
70 MPGe Combined efficiency 62 MPGe
68 MPGe City 68 MPGe
72 MPGe Highway 56 MPGe
48.1 kWh Electricity use (kWh/100 mi) 54 kWh
242 mi Driving range 239 mi
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 (295 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 SQ8 e-tron vs Mercedes-Benz G-Class EV across model years

  • Audi SQ8 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 SQ8 e-tron goes farther between stops: about 242 miles on a charge, compared with 239 miles for the Mercedes-Benz G-Class EV.

Among 94 2025 midsize & large SUVs, the Audi SQ8 e-tron ranks 18th and the Mercedes-Benz G-Class EV 20th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2025 Audi SQ8 e-tron or the 2025 Mercedes-Benz G-Class EV?

Measured by cost to drive, the Audi SQ8 e-tron. The Audi SQ8 e-tron is rated 70 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 SQ8 e-tron vs. the Mercedes-Benz G-Class EV per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,299 for the Audi SQ8 e-tron and $1,458 for the Mercedes-Benz G-Class EV.

Which has more range?

The Audi SQ8 e-tron: about 242 miles versus 239 miles.

More 2025 comparisons

Or compare the 2025 Audi SQ8 e-tron with anything else:

Keep exploring