2027 head-to-head · Midsize & Large SUV

2027 Audi Q6 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
$878/ year to fuel
104 MPGe
✓ Cheaper to run
$1,291/ year to fuel
71 MPGe

4WD · Electric motor (108 kW) · 2-speed automatic · 71 MPGe · 249 mi

The 2027 Audi Q6 e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $878 a year to fuel (104 MPGe), versus $1,291 for the 2027 Mercedes-Benz G-Class EV (71 MPGe). That's roughly $413 a year, or about $2,065 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 Q6 e-tron
  • Mercedes-Benz G-Class EV

Side by side

Audi Q6 e-tronMercedes-Benz G-Class EV
$878 Your annual fuel cost $1,291
104 MPGe Combined efficiency 71 MPGe
110 MPGe City 77 MPGe
97 MPGe Highway 64 MPGe
32.5 kWh Electricity use (kWh/100 mi) 47.8 kWh
325 mi Driving range 249 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
12 hrs Charge time at 240V 14 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (495 kW) Engine / motor Electric motor (108 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 Q6 e-tron vs Mercedes-Benz G-Class EV across model years

  • Audi Q6 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 Q6 e-tron goes farther between stops: about 325 miles on a charge, compared with 249 miles for the Mercedes-Benz G-Class EV.

Among 58 2027 midsize & large SUVs, the Audi Q6 e-tron ranks 7th and the Mercedes-Benz G-Class EV 15th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2027 Audi Q6 e-tron or the 2027 Mercedes-Benz G-Class EV?

Measured by cost to drive, the Audi Q6 e-tron. The Audi Q6 e-tron is rated 104 MPGe combined and the Mercedes-Benz G-Class EV 71 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Audi Q6 e-tron vs. the Mercedes-Benz G-Class EV per year?

At 15,000 miles a year with 18¢/kWh electricity, about $878 for the Audi Q6 e-tron and $1,291 for the Mercedes-Benz G-Class EV.

Which has more range?

The Audi Q6 e-tron: about 325 miles versus 249 miles.

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