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Audi A6 e-tron Sportback vs BMW X3 comparison

Compare performance (551 HP vs 398 HP), boot space and price (53,800 £ vs 51,700 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or BMW X3?

Audi A6 e-tron Sportback vs BMW X3: Key differences

Audi A6 e-tron Sportback

4.3 (3 Reviews)
rate
  • visibly more power
  • considerably more electric range
  • a bit quicker 0–100 km/h
details

BMW X3

3.9 (3 Reviews)
rate
  • only slightly cheaper
  • moderately lighter
  • a bit more trunk space
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

A6 e-tron Sportback

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW X3 is only slightly cheaper – starting at 51,700 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 2,143 £.

As for electric range, the Audi A6 e-tron Sportback offers considerably more range – reaching up to 754 km, about 666 km more than the BMW X3.

X3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi A6 e-tron Sportback offers visibly more power – delivering 551 HP compared to 398 HP. That’s roughly 153 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is a bit quicker – completing the sprint in 3.9 s, while the BMW X3 takes 4.6 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Sportback delivers markedly more torque with 855 Nm compared to 670 Nm. That’s about 185 Nm more.

A6 e-tron Sportback

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW X3 is moderately lighter – 1,930 kg compared to 2,175 kg. The difference is around 245 kg.

Looking at boot space, the BMW X3 offers a bit more boot space – 570 L compared to 502 L. That’s a difference of about 68 L.

When it comes to payload, the BMW X3 carries slightly more – 570 kg compared to 500 kg. That’s a difference of about 70 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback is clearly superior overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £53,800
A6 e-tron Sportback

Audi A6 e-tron Sportback

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 326 - 551 HP
  • Consumption kWh/100km 13.7 - 16.3 kWh/100km
  • Electric Range 572 - 754 km
details

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Audi A6 e-tron Sportback
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

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Reviews Audi A6 e-tron Sportback

4.3 (3 Reviews)
rate
Mark
9 May 2026, 14:15:42

Audi much better quality than Tesla

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michael
7 May 2026, 12:09:31

Wonderful car very confortable and smooth driving

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

BMW X3

The BMW X3 blends sporty handling with premium comfort, making it a strong choice for drivers who want an engaging everyday SUV. Its well-appointed interior and confident road manners give it broad appeal for families and commuters who value style and versatility.

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Reviews BMW X3

3.9 (3 Reviews)
rate
Franck
3 Aug 2026, 09:01:46

I've been driving an X3 30e for a year. Vibration problems that BMW can't resolve and ultimately considers everything normal, even though an independent assessment says otherwise.
Too firm despite the adaptive suspension (20-inch wheels).
Excessive road/rolling noise.
Finish and presentation quality deplorable for a vehicle at this price.
The personal assistant is less effective than on my previous X3 (G01).

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Costs and Consumption
Price
53,800 - 98,700 £
Price
51,700 - 73,000 £
Consumption L/100km
-
Consumption L/100km
2.8 - 7.7 L/100km
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
572 - 754 km
Electric Range
88 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
64 - 175 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,175 - 2,400 kg
Curb weight
1,930 - 2,140 kg
Trunk capacity
502 L
Trunk capacity
460 - 570 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,920 mm
Height
1,465 - 1,487 mm
Height
-
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
570 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Plug-in Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
326 - 551 HP
Power HP
197 - 398 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.6 - 7.8 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
330 - 670 Nm
Number of Cylinders
-
Number of Cylinders
4 - 6
Power kW
240 - 405 kW
Power kW
145 - 293 kW
Engine capacity
-
Engine capacity
1,995 - 2,998 cm3

General
Model Year
2024
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
F, E, B
Brand
Audi
Brand
BMW
Is the Audi A6 e-tron Sportback offered with different drivetrains?

The Audi A6 e-tron Sportback is available as Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.