2025 head-to-head · Midsize & Large SUV

2025 Audi Q8 e-tron vs BMW iX

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
$1,166/ year to fuel
78 MPGe
✓ Cheaper to run
2025 BMW iXElectric
$1,042/ year to fuel
87 MPGe

The 2025 BMW iX is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $1,042 a year to fuel (87 MPGe), versus $1,166 for the 2025 Audi Q8 e-tron (78 MPGe). That's roughly $124 a year, or about $621 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
  • BMW iX

Side by side

Audi Q8 e-tronBMW iX
$1,166 Your annual fuel cost $1,042
78 MPGe Combined efficiency 87 MPGe
77 MPGe City 89 MPGe
80 MPGe Highway 85 MPGe
43.2 kWh Electricity use (kWh/100 mi) 38.6 kWh
272 mi Driving range 219 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 9 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (313 kW) Engine / motor Electric motors (420 kW)
Single-speed Transmission Single-speed
AWD Drivetrain AWD

✓ 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 BMW iX across model years

  • Audi Q8 e-tron
  • BMW iX

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 219 miles for the BMW iX.

Among 94 2025 midsize & large SUVs, the Audi Q8 e-tron ranks 16th and the BMW iX 13th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2025 Audi Q8 e-tron or the 2025 BMW iX?

Measured by cost to drive, the BMW iX. The Audi Q8 e-tron is rated 78 MPGe combined and the BMW iX 87 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 Audi Q8 e-tron vs. the BMW iX per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,166 for the Audi Q8 e-tron and $1,042 for the BMW iX.

Which has more range?

The Audi Q8 e-tron: about 272 miles versus 219 miles.

Audi Q8 e-tron vs BMW iX in other years

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