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Audi A3 Sportback vs Mercedes CLA Coupe - Differences and prices compared
Compare performance (400 HP vs 354 HP), boot space and price (27000 £ vs 39600 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Mercedes CLA Coupe?
A3 Sportback
Costs and Efficiency:
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Audi A3 Sportback has a convincingly advantage in terms of price – it starts at 27000 £ , while the Mercedes CLA Coupe costs 39600 £ . That’s a price difference of around 12636 £.
Fuel consumption also shows a difference: Audi A3 Sportback manages with 1.10 L and is therefore clearly more efficient than the Mercedes CLA Coupe with 4.90 L. The difference is about 3.80 L per 100 km.
As for electric range, the Mercedes CLA Coupe performs convincingly better – achieving up to 791 km, about 650 km more than the Audi A3 Sportback.
CLA Coupe
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 A3 Sportback has a to a small extent edge – offering 400 HP compared to 354 HP. That’s roughly 46 HP more horsepower.
In acceleration from 0 to 100 km/h, the Audi A3 Sportback is evident quicker – completing the sprint in 3.80 s, while the Mercedes CLA Coupe takes 4.90 s. That’s about 1.10 s faster.
In terms of top speed, the Audi A3 Sportback performs a bit better – reaching 237 km/h, while the Mercedes CLA Coupe tops out at 210 km/h. The difference is around 27 km/h.
There’s also a difference in torque: Mercedes CLA Coupe pulls barely noticeable stronger with 515 Nm compared to 500 Nm. That’s about 15 Nm difference.
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A3 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 curb weight, Audi A3 Sportback is clearly perceptible lighter – 1360 kg compared to 1695 kg. The difference is around 335 kg.
In terms of boot space, the Mercedes CLA Coupe offers hardly perceptible more room – 405 L compared to 380 L. That’s a difference of about 25 L.
When it comes to payload, Audi A3 Sportback barely noticeable takes the win – 480 kg compared to 455 kg. That’s a difference of about 25 kg.
Who wins the race in the data check?
The Audi A3 Sportback is decisively ahead 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.
Audi A3 Sportback
Mercedes CLA Coupe
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £27,000
Audi A3 Sportback
Audi A3 Sportback
The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.
details
Mercedes CLA Coupe
4.9 (1 Reviews)
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
Audi A3 Sportback
Mercedes CLA Coupe
Costs and Consumption |
|
|---|---|
|
Price
27000 - 56600 £
|
Price
39600 - 66800 £
|
|
Consumption L/100km
1.1 - 9.3 L
|
Consumption L/100km
4.9 - 5.3 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
12.2 - 12.6 kWh
|
|
Electric Range
134 - 141 km
|
Electric Range
541 - 791 km
|
|
Battery Capacity
19.70 kWh
|
Battery Capacity
58 kWh
|
|
co2
25 - 211 g/km
|
co2
0 - 120 g/km
|
|
Fuel tank capacity
40 L
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
Hatchback
|
Body Type
Coupe
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
4
|
|
Curb weight
1360 - 1685 kg
|
Curb weight
1695 - 2135 kg
|
|
Trunk capacity
280 - 380 L
|
Trunk capacity
405 L
|
|
Length
4352 - 4353 mm
|
Length
4723 mm
|
|
Width
1816 - 1851 mm
|
Width
1855 mm
|
|
Height
1441 - 1470 mm
|
Height
1468 mm
|
|
Max trunk capacity
1100 L
|
Max trunk capacity
-
|
|
Payload
410 - 480 kg
|
Payload
430 - 455 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
|
Engine Type
Electric, Petrol MHEV
|
|
Transmission
Manuel, Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
|
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
|
|
Power HP
116 - 400 HP
|
Power HP
156 - 354 HP
|
|
Acceleration 0-100km/h
3.8 - 10.1 s
|
Acceleration 0-100km/h
4.9 - 8.8 s
|
|
Max Speed
225 - 237 km/h
|
Max Speed
210 km/h
|
|
Torque
220 - 500 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
4 - 5
|
Number of Cylinders
4
|
|
Power kW
85 - 294 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
1498 - 2480 cm3
|
Engine capacity
1499 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2025
|
|
CO2 Efficiency Class
D, F, E, G, B
|
CO2 Efficiency Class
A, C, D
|
|
Brand
Audi
|
Brand
Mercedes-Benz
|
What drive types are available for the Audi A3 Sportback?
The Audi A3 Sportback is offered with Front-Wheel Drive or All-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.