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Audi A6 e-tron Avant vs Mercedes CLA Coupe – Which one offers the better deal?

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

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

A6 e-tron Avant @ Audi AG

Costs and Efficiency:

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

Mercedes CLA Coupe has a convincingly advantage in terms of price – it starts at 37100 £, while the Audi A6 e-tron Avant costs 55200 £. That’s a price difference of around 18140 £.

In terms of energy consumption, the advantage goes to the Mercedes CLA Coupe: with 12.20 kWh per 100 km, it’s distinct more efficient than the Audi A6 e-tron Avant with 14.80 kWh. That’s a difference of about 2.60 kWh.

As for range, the Mercedes CLA Coupe performs barely noticeable better – achieving up to 791 km, about 75 km more than the Audi A6 e-tron Avant.

CLA Coupe @ Mercedes-Benz Group Media

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A6 e-tron Avant 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 Avant is barely noticeable 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 a bit better – reaching 270 km/h, while the Audi A6 e-tron Avant tops out at 240 km/h. The difference is around 30 km/h.

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

A6 e-tron Avant @ Audi AG

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 curb weight, Mercedes CLA Coupe is significantly lighter – 1505 kg compared to 2185 kg. The difference is around 680 kg.

In terms of boot space, the Audi A6 e-tron Avant offers barely noticeable 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 Avant barely noticeable 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 has the upper hand 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 Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

details
A243176_medium @ Audi AG
A243167_medium @ Audi AG
A243148_medium @ Audi AG

Mercedes CLA Coupe

The Mercedes-Benz CLA Coupé exudes sophistication with its sleek, aerodynamic design that effortlessly combines elegance and sportiness. Inside, the cabin offers a luxurious experience, featuring high-quality materials and state-of-the-art technology that ensure both comfort and connectivity for the driver and passengers. On the road, the CLA Coupé delivers a dynamic driving performance, characterised by responsive handling and a smooth ride, making it a joy to drive both in the city and on long journeys.

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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Costs and Consumption
Price
55200 - 100100 £
Price
37100 - 73700 £
Consumption L/100km
-
Consumption L/100km
2.3 - 8.9 L
Consumption kWh/100km
14.8 - 17 kWh
Consumption kWh/100km
12.2 - 12.6 kWh
Electric Range
539 - 716 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
Estate
Body Type
Coupe
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2185 - 2410 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
1504 - 1527 mm
Height
1404 - 1468 mm
Max trunk capacity
1422 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 Avant have?

The Audi A6 e-tron Avant 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.