2025 head-to-head · Midsize & Large SUV
2025 Audi Q4 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.
The 2025 Audi Q4 e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $794 a year to fuel (115 MPGe), versus $1,042 for the 2025 BMW iX (87 MPGe). That's roughly $248 a year, or about $1,242 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 Q4 e-tron
- BMW iX
Side by side
| Audi Q4 e-tron | BMW iX | |
|---|---|---|
| $794 | Your annual fuel cost | $1,042 |
| 115 MPGe | Combined efficiency | 87 MPGe |
| 125 MPGe | City | 89 MPGe |
| 104 MPGe | Highway | 85 MPGe |
| 29.4 kWh | Electricity use (kWh/100 mi) | 38.6 kWh |
| 288 mi | Driving range | 219 mi |
| 96 cu ft | Passenger volume | — |
| 26 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 |
| 12 hrs | Charge time at 240V | 9 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (210 kW) | Engine / motor | Electric motors (420 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | 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 Q4 e-tron vs BMW iX across model years
- Audi Q4 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 Q4 e-tron goes farther between stops: about 288 miles on a charge, compared with 219 miles for the BMW iX.
Among 94 2025 midsize & large SUVs, the Audi Q4 e-tron ranks 1st and the BMW iX 13th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi Q4 e-tron or the 2025 BMW iX?
Measured by cost to drive, the Audi Q4 e-tron. The Audi Q4 e-tron is rated 115 MPGe combined and the BMW iX 87 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi Q4 e-tron vs. the BMW iX per year?
At 15,000 miles a year with 18¢/kWh electricity, about $794 for the Audi Q4 e-tron and $1,042 for the BMW iX.
Which has more range?
The Audi Q4 e-tron: about 288 miles versus 219 miles.
Audi Q4 e-tron vs BMW iX in other years
More 2025 comparisons
Audi Q4 e-tron vs…
Or compare the 2025 Audi Q4 e-tron with anything else: