Audi Q6 e-tron vs BMW iX: Specs Compared

Also searched as BMW iX vs Audi Q6 e-tron specs — both orientations show this same side-by-side comparison.

The Audi Q6 e-tron is the more efficient of the two: it reaches 104 mpg combined versus 97 mpg for the BMW iX, a 7 mpg advantage and costs about $50 less per year to fuel.

Across 4 measured categories, the Audi Q6 e-tron leads in 4. Figures are EPA test data, not manufacturer claims.

2025–2027

Audi Q6 e-tron

Standard Sport Utility Vehicle 4WD · 11 configurations

104mpg combined (best)
All Audi Q6 e-tron specs

2022–2026

BMW iX

Standard Sport Utility Vehicle 4WD · 35 configurations

97mpg combined (best)
All BMW iX specs

Head-to-head specifications

MetricAudi Q6 e-tronBMW iX
Best combined MPG104 mpg ✓97 mpg
Best city MPG112 mpg ✓99 mpg
Best highway MPG97 mpg ✓94 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$750 ✓$800
Lowest CO2 outputNot availableNot available
Engines offeredNot availableNot available
TransmissionsAutomatic (A1)Automatic (A1)
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveAll-Wheel Drive
Fuel typesElectricityElectricity
EPA classStandard Sport Utility Vehicle 4WDStandard Sport Utility Vehicle 4WD
Years covered2025–20272022–2026
Configurations on record1135

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Audi Q6 e-tron vs BMW iX dimensions and size

The BMW iX is 7.1 inches longer than the Audi Q6 e-tron on a wheelbase 4.3 inches longer, and 396.8 lbs heavier. Both clear the roughly 200 inches of usable length in a standard single garage bay.

Audi Q6 e-tron versus BMW iX exterior dimensions
DimensionAudi Q6 e-tron (2026)BMW iX (2026)Difference
Length187.8 in194.9 in7.1 in
Width (excl. mirrors)76.4 in77.2 in0.8 in
Height65 in66.5 in1.6 in
Wheelbase113.8 in118.1 in4.3 in
Curb weight5,291 lbs5,688 lbs397 lbs

Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.

Audi Q6 e-tron vs BMW iX: what the numbers mean

Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Audi Q6 e-tron burns about $750 of fuel annually against $800 for the BMW iX. That $50 yearly gap compounds to roughly $250 over five years and $400 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.

City and highway economy: the Audi Q6 e-tron leads in both cycles — 112 mpg city and 97 mpg highway against 99 and 94 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.

Drivetrain and class: the Audi Q6 e-tron is offered with All-Wheel Drive, Rear-Wheel Drive, the BMW iX with All-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Standard Sport Utility Vehicle 4WD and Standard Sport Utility Vehicle 4WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.

Q6 e-tron vs iX: common questions

Which is better on gas, the Audi Q6 e-tron or the BMW iX?

The Audi Q6 e-tron is the more efficient of the two: it reaches 104 mpg combined versus 97 mpg for the BMW iX, a 7 mpg advantage and costs about $50 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Audi Q6 e-tron runs about $750 a year in fuel at its most efficient configuration, versus about $800 for the BMW iX — a difference of roughly $50 per year.

What engines do the Q6 e-tron and iX offer?

Audi Q6 e-tron: no engine data on record. BMW iX: no engine data on record.

Are they in the same vehicle class?

Yes — the EPA classifies both the Audi Q6 e-tron and the BMW iX as Standard Sport Utility Vehicle 4WD, so they compete directly.

More Q6 e-tron comparisons

More iX comparisons

Comparison id: audi-q6-e-tron-vs-bmw-ix