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Mercedes CLA Coupe vs BYD Sealion 7 - Differences and prices compared

Compare performance (354 HP vs 530 HP), boot space and price (39600 £ vs 42800 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or BYD Sealion 7?

Mercedes CLA Coupe

4.9 (1 Reviews)
rate

BYD Sealion 7

5 (1 Reviews)
rate

You can find all user reviews further down on this page.

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

CLA Coupe

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 hardly perceptible advantage in terms of price – it starts at 39600 £ , while the BYD Sealion 7 costs 42800 £ . That’s a price difference of around 3212 £.

In terms of energy consumption, the advantage goes to the Mercedes CLA Coupe: with 12.20 kWh per 100 km, it’s decisively more efficient than the BYD Sealion 7 with 19.90 kWh. That’s a difference of about 7.70 kWh.

As for electric range, the Mercedes CLA Coupe performs evident better – achieving up to 791 km, about 289 km more than the BYD Sealion 7.

Sealion 7

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 BYD Sealion 7 has a clearly perceptible edge – offering 530 HP compared to 354 HP. That’s roughly 176 HP more horsepower.

In acceleration from 0 to 100 km/h, the BYD Sealion 7 is hardly perceptible quicker – completing the sprint in 4.50 s, while the Mercedes CLA Coupe takes 4.90 s. That’s about 0.40 s faster.

There’s also a difference in torque: BYD Sealion 7 pulls noticeable stronger with 690 Nm compared to 515 Nm. That’s about 175 Nm difference.

CLA Coupe

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 distinct lighter – 1695 kg compared to 2225 kg. The difference is around 530 kg.

In terms of boot space, the BYD Sealion 7 offers evident more room – 520 L compared to 405 L. That’s a difference of about 115 L.

When it comes to payload, Mercedes CLA Coupe slight takes the win – 455 kg compared to 410 kg. That’s a difference of about 45 kg.

Who comes out on top?

Overall, the Mercedes CLA Coupe shows itself to be shows small but notable strengths 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 £39,600
CLA Coupe

Mercedes CLA Coupe

  • Engine Type : Electric, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
  • Power HP : 156 - 354 HP
  • Consumption L/100km : 4.9 - 5.3 L
  • Consumption kWh/100km : 12.2 - 12.6 kWh
  • Electric Range : 541 - 791 km
Mercedes CLA Coupe
BYD Sealion 7

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes CLA Coupe

4.9 (1 Reviews)
rate

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

BYD Sealion 7

5 (1 Reviews)
rate

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

details
Mercedes CLA Coupe
BYD Sealion 7

Costs and Consumption

Price
39600 - 66800 £
Price
42800 - 52300 £
Consumption L/100km
4.9 - 5.3 L
Consumption L/100km
-
Consumption kWh/100km
12.2 - 12.6 kWh
Consumption kWh/100km
19.9 - 21.9 kWh
Electric Range
541 - 791 km
Electric Range
456 - 502 km
Battery Capacity
58 kWh
Battery Capacity
-
co2
0 - 120 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
1695 - 2135 kg
Curb weight
2225 - 2435 kg
Trunk capacity
405 L
Trunk capacity
520 L
Length
4723 mm
Length
-
Width
1855 mm
Width
1925 mm
Height
1468 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
430 - 455 kg
Payload
410 kg

Engine and Performance

Engine Type
Electric, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
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
313 - 530 HP
Acceleration 0-100km/h
4.9 - 8.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
210 km/h
Max Speed
-
Torque
280 - 515 Nm
Torque
380 - 690 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
230 - 390 kW
Engine capacity
1499 cm3
Engine capacity
-

General

Model Year
2025
Model Year
2024
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
BYD
What drive types are available for the Mercedes CLA Coupe?

The Mercedes CLA Coupe is available as Rear-Wheel Drive, All-Wheel Drive or Front-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.