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BMW 3 Series Saloon vs Audi A6 e-tron Sportback comparison

Compare performance (530 HP vs 551 HP), boot space and price (39,900 £ vs 53,800 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or Audi A6 e-tron Sportback?

BMW 3 Series Saloon vs Audi A6 e-tron Sportback: Key differences

BMW 3 Series Saloon

  • visibly cheaper
  • somewhat quicker 0–100 km/h
  • visibly lighter

Audi A6 e-tron Sportback

  • only slightly more power
  • clearly more electric range
  • marginally more trunk space

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

3 Series Saloon

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW 3 Series Saloon is visibly cheaper – starting at 39,900 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 13,886 £.

As for electric range, the Audi A6 e-tron Sportback offers clearly more range – reaching up to 754 km, about 653 km more than the BMW 3 Series Saloon.

A6 e-tron Sportback

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 only slightly more power – delivering 551 HP compared to 530 HP. That’s roughly 21 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 3 Series Saloon is somewhat quicker – completing the sprint in 3.5 s, while the Audi A6 e-tron Sportback takes 3.9 s. That’s about 0.4 s quicker.

Looking at top speed, the BMW 3 Series Saloon is barely faster – reaching 250 km/h, while the Audi A6 e-tron Sportback tops out at 240 km/h. The difference is around 10 km/h.

There’s also a difference in torque: the Audi A6 e-tron Sportback delivers slightly more torque with 855 Nm compared to 700 Nm. That’s about 155 Nm more.

3 Series Saloon

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 3 Series Saloon is visibly lighter – 1,575 kg compared to 2,175 kg. The difference is around 600 kg.

Looking at boot space, the Audi A6 e-tron Sportback offers marginally more boot space – 502 L compared to 480 L. That’s a difference of about 22 L.

When it comes to payload, the Audi A6 e-tron Sportback carries barely more – 500 kg compared to 495 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback stands well ahead of its rival 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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BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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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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Costs and Consumption
Price
39,900 - 91,000 £
Price
53,800 - 98,700 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Electric Range
96 - 101 km
Electric Range
572 - 754 km
Battery Capacity
19.5 kWh
Battery Capacity
75.8 - 94.9 kWh
co2
54 - 227 g/km
co2
0 g/km
Fuel tank capacity
40 - 59 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1,575 - 1,960 kg
Curb weight
2,175 - 2,400 kg
Trunk capacity
375 - 480 L
Trunk capacity
502 L
Length
4,713 mm
Length
4,928 mm
Width
1,827 - 1,903 mm
Width
1,923 mm
Height
1,440 - 1,446 mm
Height
1,465 - 1,487 mm
Max trunk capacity
-
Max trunk capacity
1,330 L
Payload
405 - 495 kg
Payload
470 - 500 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 530 HP
Power HP
326 - 551 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
3.9 - 6 s
Max Speed
218 - 250 km/h
Max Speed
210 - 240 km/h
Torque
250 - 700 Nm
Torque
435 - 855 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
110 - 390 kW
Power kW
240 - 405 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,024
CO2 Efficiency Class
D, E, F, G, B
CO2 Efficiency Class
A
Brand
BMW
Brand
Audi
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon 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.