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

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: Audi A6 Avant or Mercedes CLA Coupe?

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

Costs and Efficiency: Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes CLA Coupe has a clearly perceptible advantage in terms of price – it starts at 37100 £, while the Audi A6 Avant costs 49700 £. That’s a price difference of around 12612 £.

Both cars consume an average of 2.30 L per 100 km – no difference here.

As for range, the Mercedes CLA Coupe performs convincingly better – achieving up to 791 km, about 690 km more than the Audi A6 Avant.

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 Mercedes CLA Coupe has a a bit edge – offering 421 HP compared to 367 HP. That’s roughly 54 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes CLA Coupe is somewhat quicker – completing the sprint in 4.10 s, while the Audi A6 Avant takes 4.70 s. That’s about 0.60 s faster.

In terms of top speed, the Mercedes CLA Coupe performs minimal better – reaching 270 km/h, while the Audi A6 Avant tops out at 250 km/h. The difference is around 20 km/h.

There’s also a difference in torque: the Audi A6 Avant pulls minimal stronger with 550 Nm compared to 515 Nm. That’s about 35 Nm difference.

Space and Everyday Use: Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In curb weight, the Mercedes CLA Coupe is noticeable lighter – 1505 kg compared to 1865 kg. The difference is around 360 kg.

In terms of boot space, the Audi A6 Avant offers hardly perceptible more room – 503 L compared to 460 L. That’s a difference of about 43 L.

When it comes to payload, Audi A6 Avant to a small extent takes the win – 570 kg compared to 490 kg. That’s a difference of about 80 kg.

Our conclusion: The Mercedes CLA Coupe proves to be dominates this comparison and thus becomes our DriveDuel Champion!
Overall, Mercedes CLA Coupe is the better all-rounder in this comparison.

Audi A6 Avant

The Audi A6 Avant effortlessly combines elegance with practicality, making it an ideal choice for those seeking both style and versatility in a luxury estate. Its spacious interior offers a refined atmosphere, where high-quality materials and advanced technology come together to enhance the driving experience. With its dynamic performance and agile handling, the A6 Avant delivers a compelling blend of comfort and sportiness, making every journey a pleasure.

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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.

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Audi A6 Avant
Mercedes CLA Coupe
A6 Avant
CLA Coupe

Costs and Consumption

Price
49700 - 70200 £
Price
37100 - 73700 £
Consumption L/100km
2.3 - 7.5 L
Consumption L/100km
2.3 - 8.9 L
Consumption kWh/100km
-
Consumption kWh/100km
12.2 - 12.6 kWh
Electric Range
94 - 101 km
Electric Range
86 - 791 km
Battery Capacity
20.70 kWh
Battery Capacity
12.9 - 85 kWh
co2
53 - 170 g/km
co2
0 - 202 g/km
Fuel tank capacity
46 - 60 L
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
1865 - 2240 kg
Curb weight
1505 - 2135 kg
Trunk capacity
404 - 503 L
Trunk capacity
395 - 460 L
Length
4999 mm
Length
4692 - 4723 mm
Width
1875 mm
Width
1834 - 1857 mm
Height
1472 mm
Height
1404 - 1468 mm
Max trunk capacity
1423 - 1534 L
Max trunk capacity
-
Payload
535 - 570 kg
Payload
440 - 490 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
Power HP
204 - 367 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
4.1 - 10 s
Max Speed
238 - 250 km/h
Max Speed
205 - 270 km/h
Torque
340 - 550 Nm
Torque
230 - 515 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
150 - 270 kW
Power kW
85 - 310 kW
Engine capacity
1968 - 2995 cm3
Engine capacity
1332 - 1991 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
B, D, E, G, A
Brand
Audi
Brand
Mercedes-Benz
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is available as Front-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.