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Mercedes CLA Coupe vs Porsche 911 Coupe comparison
Compare performance (354 HP vs 711 HP), boot space and price (39,600 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or Porsche 911 Coupe?
Mercedes CLA Coupe vs Porsche 911 Coupe: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
CLA Coupe
Costs and Efficiency:
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes CLA Coupe is substantially cheaper – starting at 39,600 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 86,192 £.
Fuel consumption also shows a difference: the Mercedes CLA Coupe uses 4.9 L/100km and is considerably more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 5.4 L/100km.
911 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 Porsche 911 Coupe offers clearly more power – delivering 711 HP compared to 354 HP. That’s roughly 357 HP more horsepower.
When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is considerably quicker – completing the sprint in 2.5 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 2.4 s quicker.
There’s also a difference in torque: the Porsche 911 Coupe delivers markedly more torque with 800 Nm compared to 515 Nm. That’s about 285 Nm more.
CLA Coupe
Space and Everyday Use:
Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.
Seats: Mercedes CLA Coupe offers more seats – 5 vs 2.
In terms of curb weight, Porsche 911 Coupe is a bit lighter – 1,536 kg compared to 1,695 kg. The difference is around 159 kg.
Looking at boot space, the Mercedes CLA Coupe offers only slightly more boot space – 405 L compared to 373 L. That’s a difference of about 32 L.
When it comes to payload, the Mercedes CLA Coupe carries clearly more – 455 kg compared to 310 kg. That’s a difference of about 145 kg.
Who wins the race in the data check?
The Mercedes CLA Coupe 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 £39,600
Mercedes CLA Coupe
Mercedes CLA Coupe
Porsche 911 Coupe
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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
Porsche 911 Coupe
The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.
details
Mercedes CLA Coupe
Porsche 911 Coupe
Costs and Consumption |
|
|---|---|
|
Price
39,600 - 60,000 £
|
Price
125,800 - 301,000 £
|
|
Consumption L/100km
4.9 - 5.3 L/100km
|
Consumption L/100km
10.3 - 13.8 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
233 - 312 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
Coupe
|
Body Type
Coupe
|
|
Seats
5
|
Seats
2
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,695 - 2,135 kg
|
Curb weight
1,536 - 1,815 kg
|
|
Trunk capacity
405 L
|
Trunk capacity
373 L
|
|
Length
-
|
Length
-
|
|
Width
1,855 mm
|
Width
1,852 - 1,900 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
430 - 455 kg
|
Payload
228 - 310 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric, Full Hybrid
|
Engine Type
Petrol, Full Hybrid
|
|
Transmission
Automatic
|
Transmission
Manuel, Automatic
|
|
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
|
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
|
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
156 - 354 HP
|
Power HP
394 - 711 HP
|
|
Acceleration 0-100km/h
4.9 - 8.8 s
|
Acceleration 0-100km/h
2.5 - 4.5 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
280 - 515 Nm
|
Torque
450 - 800 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
6
|
|
Power kW
115 - 260 kW
|
Power kW
290 - 523 kW
|
|
Engine capacity
1,499 cm3
|
Engine capacity
2,981 - 3,996 cm3
|
General |
|
|---|---|
|
Model Year
2,025 - 2,026
|
Model Year
2,024 - 2,026
|
|
CO2 Efficiency Class
A, C, D
|
CO2 Efficiency Class
G
|
|
Brand
Mercedes-Benz
|
Brand
Porsche
|
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.