2026 head-to-head · Midsize & Large SUV
2026 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 2026 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 $937 for the 2026 BMW iX (97 MPGe). That's roughly $143 a year, or about $716 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 | $937 |
| 115 MPGe | Combined efficiency | 97 MPGe |
| 125 MPGe | City | 99 MPGe |
| 104 MPGe | Highway | 94 MPGe |
| 29.4 kWh | Electricity use (kWh/100 mi) | 34.7 kWh |
| 288 mi | Driving range | 364 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 | 11 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (170 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 BMW iX goes farther between stops: about 364 miles on a charge, compared with 288 miles for the Audi Q4 e-tron.
Among 91 2026 midsize & large SUVs, the Audi Q4 e-tron ranks 1st and the BMW iX 8th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Audi Q4 e-tron or the 2026 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 97 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 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 $937 for the BMW iX.
Which has more range?
The BMW iX: about 364 miles versus 288 miles.
Audi Q4 e-tron vs BMW iX in other years
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