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Mercedes CLA Coupe vs Audi A4 Avant comparison

Compare performance (354 HP vs 470 HP), boot space and price (39,600 £ vs 37,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or Audi A4 Avant?

Mercedes CLA Coupe vs Audi A4 Avant: Key differences

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
details

Audi A4 Avant

5 (1 Reviews)
rate
  • marginally cheaper
  • visibly more power
  • only slightly more efficient
  • visibly quicker 0–100 km/h
  • barely lighter
  • somewhat more trunk space
details

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

CLA Coupe

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.

Audi A4 Avant is marginally cheaper – starting at 37,200 £ , while the Mercedes CLA Coupe costs 39,600 £ . That’s a price difference of around 2,394 £.

Fuel consumption also shows a difference: the Audi A4 Avant uses 4.8 L/100km and is only slightly more efficient than the Mercedes CLA Coupe with 4.9 L/100km. The difference is about 0.1 L/100km.

A4 Avant

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 A4 Avant offers visibly more power – delivering 470 HP compared to 354 HP. That’s roughly 116 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A4 Avant is visibly quicker – completing the sprint in 3.7 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Audi A4 Avant delivers slightly more torque with 600 Nm compared to 515 Nm. That’s about 85 Nm more.

CLA Coupe

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 terms of curb weight, Audi A4 Avant is barely lighter – 1,595 kg compared to 1,695 kg. The difference is around 100 kg.

Looking at boot space, the Audi A4 Avant offers somewhat more boot space – 495 L compared to 405 L. That’s a difference of about 90 L.

When it comes to payload, the Audi A4 Avant carries moderately more – 565 kg compared to 455 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Audi A4 Avant is far ahead 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 £37,200
A4 Avant

Audi A4 Avant

  • Engine Type Diesel MHEV, Petrol MHEV, Petrol
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 136 - 470 HP
  • Consumption L/100km 4.8 - 9.7 L/100km
Mercedes CLA Coupe
Audi A4 Avant

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

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.

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Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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Mercedes CLA Coupe
Audi A4 Avant

Costs and Consumption

Price
39,600 - 60,000 £
Price
37,200 - 122,500 £
Consumption L/100km
4.9 - 5.3 L/100km
Consumption L/100km
4.8 - 9.7 L/100km
Consumption kWh/100km
12.3 - 12.7 kWh/100km
Consumption kWh/100km
-
Electric Range
542 - 792 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 120 g/km
co2
126 - 220 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 58 L

Dimensions and Body

Body Type
Coupe
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,695 - 2,135 kg
Curb weight
1,595 - 1,820 kg
Trunk capacity
405 L
Trunk capacity
495 L
Length
-
Length
4,750 - 4,782 mm
Width
1,855 mm
Width
1,842 - 1,866 mm
Height
-
Height
1,428 - 1,493 mm
Max trunk capacity
-
Max trunk capacity
1,495 L
Payload
430 - 455 kg
Payload
510 - 565 kg

Engine and Performance

Engine Type
Electric, Full Hybrid
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
156 - 354 HP
Power HP
136 - 470 HP
Acceleration 0-100km/h
4.9 - 8.8 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
-
Max Speed
210 - 300 km/h
Torque
280 - 515 Nm
Torque
270 - 600 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
115 - 260 kW
Power kW
100 - 346 kW
Engine capacity
1,499 cm3
Engine capacity
1,968 - 2,894 cm3

General

Model Year
2,025 - 2,026
Model Year
2,023 - 2,024
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
E, F, D, G
Brand
Mercedes-Benz
Brand
Audi
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.