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Audi A6 e-tron Sportback vs Mercedes CLA Coupe – Differences & prices compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Audi A6 e-tron Sportback or Mercedes CLA Coupe?

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

A6 e-tron Sportback @ Audi AG

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.

Mercedes CLA Coupe has a significantly advantage in terms of price – it starts at 37100 £, while the Audi A6 e-tron Sportback costs 53800 £. That’s a price difference of around 16726 £.

In terms of energy consumption, the advantage goes to the Mercedes CLA Coupe: with 12.20 kWh per 100 km, it’s somewhat more efficient than the Audi A6 e-tron Sportback with 13.70 kWh. That’s a difference of about 1.50 kWh.

As for range, the Mercedes CLA Coupe performs slight better – achieving up to 791 km, about 37 km more than the Audi A6 e-tron Sportback.

CLA Coupe @ Mercedes-Benz Group Media

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 has a clearly perceptible edge – offering 551 HP compared to 421 HP. That’s roughly 130 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A6 e-tron Sportback is minimal quicker – completing the sprint in 3.90 s, while the Mercedes CLA Coupe takes 4.10 s. That’s about 0.20 s faster.

In terms of top speed, the Mercedes CLA Coupe performs somewhat better – reaching 270 km/h, while the Audi A6 e-tron Sportback tops out at 240 km/h. The difference is around 30 km/h.

There’s also a difference in torque: Audi A6 e-tron Sportback pulls clearly perceptible stronger with 855 Nm compared to 515 Nm. That’s about 340 Nm difference.

A6 e-tron Sportback @ Audi AG

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In curb weight, Mercedes CLA Coupe is significantly lighter – 1505 kg compared to 2175 kg. The difference is around 670 kg.

In terms of boot space, the Audi A6 e-tron Sportback offers slight more room – 502 L compared to 460 L. That’s a difference of about 42 L.

When it comes to payload, Audi A6 e-tron Sportback slight takes the win – 500 kg compared to 490 kg. That’s a difference of about 10 kg.

Who comes out on top?

Overall, the Mercedes CLA Coupe shows itself to be only a minor advantage and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £37,100
CLA Coupe @ Mercedes-Benz Group Media

Mercedes CLA Coupe

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.3 - 8.9 L
  • Consumption kWh/100km : 12.2 - 12.6 kWh
  • Electric Range : 86 - 791 km
details

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback combines elegant design with cutting-edge electric performance, making it a standout choice in the luxury segment. With a spacious interior and innovative technology, it offers a perfect blend of comfort and convenience for modern drivers. This impressive model reflects Audi's commitment to sustainability while maintaining the brand's hallmark of sporty driving dynamics.

details
A244494_medium @ Audi AG
A244492_medium @ Audi AG
A243215_medium @ Audi AG

Mercedes CLA Coupe

The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.

details
19C0225_069 @ Mercedes-Benz Group Media
19C0225_068 @ Mercedes-Benz Group Media
19C0225_067 @ Mercedes-Benz Group Media
19C0225_044 @ Mercedes-Benz Group Media

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A6 e-tron Sportback @ Audi AG
CLA Coupe @ Mercedes-Benz Group Media

Costs and Consumption
Price
53800 - 98700 £
Price
37100 - 73700 £
Consumption L/100km
-
Consumption L/100km
2.3 - 8.9 L
Consumption kWh/100km
13.7 - 16.3 kWh
Consumption kWh/100km
12.2 - 12.6 kWh
Electric Range
572 - 754 km
Electric Range
86 - 791 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
12.9 - 85 kWh
co2
0 g/km
co2
0 - 202 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Hatchback
Body Type
Coupe
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2175 - 2400 kg
Curb weight
1505 - 2135 kg
Trunk capacity
502 L
Trunk capacity
395 - 460 L
Length
4928 mm
Length
4692 - 4723 mm
Width
1923 mm
Width
1834 - 1857 mm
Height
1465 - 1487 mm
Height
1404 - 1468 mm
Max trunk capacity
1330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
440 - 490 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
Power HP
326 - 551 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.1 - 10 s
Max Speed
210 - 240 km/h
Max Speed
205 - 270 km/h
Torque
435 - 855 Nm
Torque
230 - 515 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1332 - 1991 cm3

General
Model Year
2024
Model Year
2024 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, D, E, G, A
Brand
Audi
Brand
Mercedes-Benz

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What drivetrain options does the Audi A6 e-tron Sportback have?

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

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.