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BMW 4 Series Convertible vs Audi A6 e-tron Sportback comparison

Compare performance (530 HP vs 551 HP), boot space and price (52,600 £ vs 53,800 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Audi A6 e-tron Sportback?

BMW 4 Series Convertible vs Audi A6 e-tron Sportback: Key differences

BMW 4 Series Convertible

  • barely cheaper
  • only slightly quicker 0–100 km/h
  • markedly lighter
details

Audi A6 e-tron Sportback

4.6 (2 Reviews)
rate
  • marginally more power
  • visibly more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

4 Series Convertible

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW 4 Series Convertible is barely cheaper – starting at 52,600 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 1,200 £.

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 marginally 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 4 Series Convertible is only slightly quicker – completing the sprint in 3.7 s, while the Audi A6 e-tron Sportback takes 3.9 s. That’s about 0.2 s quicker.

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

4 Series Convertible

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.

Seats: Audi A6 e-tron Sportback offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is markedly lighter – 1,765 kg compared to 2,175 kg. The difference is around 410 kg.

Looking at boot space, the Audi A6 e-tron Sportback offers visibly more boot space – 502 L compared to 385 L. That’s a difference of about 117 L.

When it comes to payload, the Audi A6 e-tron Sportback carries moderately more – 500 kg compared to 420 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Audi A6 e-tron Sportback holds a decisive overall lead 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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

No reviews yet. Share your experience and help others decide.

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

4.6 (2 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

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Audi A6 e-tron Sportback

Costs and Consumption
Price
52,600 - 97,800 £
Price
53,800 - 98,700 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Electric Range
-
Electric Range
572 - 754 km
Battery Capacity
-
Battery Capacity
75.8 - 94.9 kWh
co2
136 - 231 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
5
Curb weight
1,765 - 2,055 kg
Curb weight
2,175 - 2,400 kg
Trunk capacity
385 L
Trunk capacity
502 L
Length
-
Length
4,928 mm
Width
1,852 - 1,887 mm
Width
1,923 mm
Height
-
Height
1,465 - 1,487 mm
Max trunk capacity
-
Max trunk capacity
1,330 L
Payload
345 - 420 kg
Payload
470 - 500 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
184 - 530 HP
Power HP
326 - 551 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.9 - 6 s
Max Speed
-
Max Speed
210 - 240 km/h
Torque
300 - 700 Nm
Torque
435 - 855 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 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
2024
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
Audi
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible 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.