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Audi A6 e-tron Sportback vs Mercedes A Class Saloon comparison

Compare performance (551 HP vs 320 HP), boot space and price (53,800 £ vs 32,700 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes A Class Saloon?

Audi A6 e-tron Sportback vs Mercedes A Class Saloon: Key differences

Audi A6 e-tron Sportback

  • significantly more power
  • significantly more electric range
  • clearly quicker 0–100 km/h
  • noticeably more trunk space

Mercedes A Class Saloon

  • substantially cheaper
  • significantly lighter

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.

Mercedes A Class Saloon is substantially cheaper – starting at 32,700 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 21,107 £.

As for electric range, the Audi A6 e-tron Sportback offers significantly more range – reaching up to 754 km, about 666 km more than the Mercedes A Class Saloon.

A Class Saloon

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A6 e-tron Sportback offers significantly more power – delivering 551 HP compared to 320 HP. That’s roughly 231 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is clearly quicker – completing the sprint in 3.9 s, while the Mercedes A Class Saloon takes 4.8 s. That’s about 0.9 s quicker.

Looking at top speed, the Mercedes A Class Saloon is very slightly 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 substantially more torque with 855 Nm compared to 450 Nm. That’s about 405 Nm more.

A6 e-tron Sportback

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, Mercedes A Class Saloon is significantly lighter – 1,450 kg compared to 2,175 kg. The difference is around 725 kg.

Looking at boot space, the Audi A6 e-tron Sportback offers noticeably more boot space – 502 L compared to 395 L. That’s a difference of about 107 L.

When it comes to payload, the Audi A6 e-tron Sportback carries only slightly more – 500 kg compared to 490 kg. That’s a difference of about 10 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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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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Mercedes A Class Saloon

Costs and Consumption
Price
53,800 - 98,700 £
Price
32,700 - 55,900 £
Consumption L/100km
-
Consumption L/100km
0.7 - 8.1 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
12.9 kWh
co2
0 g/km
co2
16 - 184 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2,175 - 2,400 kg
Curb weight
1,450 - 1,705 kg
Trunk capacity
502 L
Trunk capacity
345 - 395 L
Length
4,928 mm
Length
4,558 - 4,570 mm
Width
1,923 mm
Width
1,796 mm
Height
1,465 - 1,487 mm
Height
1,413 - 1,429 mm
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
326 - 551 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
210 - 240 km/h
Max Speed
206 - 250 km/h
Torque
435 - 855 Nm
Torque
200 - 450 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
85 - 235 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, D, G, E
Brand
Audi
Brand
Mercedes-Benz
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.