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Mercedes CLA Coupe vs BYD Seal 6 comparison

Compare performance (354 HP vs 212 HP), boot space and price (39,600 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or BYD Seal 6?

Mercedes CLA Coupe vs BYD Seal 6: Key differences

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • significantly more power
  • significantly more electric range
  • considerably quicker 0–100 km/h
  • marginally lighter
details

BYD Seal 6

4.7 (2 Reviews)
rate
  • barely cheaper
  • considerably more efficient
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:

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.

BYD Seal 6 is barely cheaper – starting at 36,800 £ , while the Mercedes CLA Coupe costs 39,600 £ . That’s a price difference of around 2,788 £.

In terms of energy consumption, the BYD Seal 6 is considerably more efficient: consuming 7.8 kWh/100km compared to 12.2 kWh/100km for the Mercedes CLA Coupe. That’s a difference of about 4.4 kWh/100km.

As for electric range, the Mercedes CLA Coupe offers significantly more range – reaching up to 791 km, about 690 km more than the BYD Seal 6.

Seal 6

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes CLA Coupe offers significantly more power – delivering 354 HP compared to 212 HP. That’s roughly 142 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes CLA Coupe is considerably quicker – completing the sprint in 4.9 s, while the BYD Seal 6 takes 8.5 s. That’s about 3.6 s quicker.

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 terms of curb weight, Mercedes CLA Coupe is marginally lighter – 1,695 kg compared to 1,710 kg. The difference is around 15 kg.

When it comes to payload, the Mercedes CLA Coupe carries barely more – 455 kg compared to 435 kg. That’s a difference of about 20 kg.

Who wins the race in the data check?

The Mercedes CLA Coupe stands well ahead of its rival 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
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/100km
  • Consumption kWh/100km : 12.2 - 12.6 kWh/100km
  • Electric Range : 541 - 791 km
details

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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.

details
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19C0225_068
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Reviews Mercedes CLA Coupe

4.8 (2 Reviews)
rate
marco
12 Mar 2026, 18:44:45

A car with a unique line — the shooting brake finally gets a sporty rear and a roomy trunk.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Dejf
18 Dec 2025, 14:59:40

Nice efficient car. Like it

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

BYD Seal 6

The BYD Seal 6 is a captivating electric sedan that captures attention with its sleek design and modern aerodynamics. With a strong focus on sustainability, it offers an impressive electric driving experience, combining efficiency with cutting-edge technology. The Seal 6 stands out in the EV market for its luxurious interior and innovative features, making it a strong contender for drivers looking to embrace the future of transportation.

details
BYD_SEAL_6_Touring__021
BYD_SEAL_6_Touring__002
BYD_SEAL_6_Touring__106
BYD_SEAL_6_Touring__125

Reviews BYD Seal 6

4.7 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Mercedes CLA Coupe
BYD Seal 6

Costs and Consumption
Price
39,600 - 59,300 £
Price
36,800 - 42,800 £
Consumption L/100km
4.9 - 5.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
12.2 - 12.6 kWh/100km
Consumption kWh/100km
7.8 - 11.2 kWh/100km
Electric Range
541 - 791 km
Electric Range
54 - 101 km
Battery Capacity
58 kWh
Battery Capacity
-
co2
0 - 120 g/km
co2
38 - 60 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Estate
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
1,695 - 2,135 kg
Curb weight
1,710 - 1,805 kg
Trunk capacity
405 L
Trunk capacity
-
Length
4,723 mm
Length
-
Width
1,855 mm
Width
1,875 mm
Height
1,468 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
430 - 455 kg
Payload
435 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
156 - 354 HP
Power HP
184 - 212 HP
Acceleration 0-100km/h
4.9 - 8.8 s
Acceleration 0-100km/h
8.5 - 8.9 s
Max Speed
210 km/h
Max Speed
-
Torque
280 - 515 Nm
Torque
-
Number of Cylinders
4
Number of Cylinders
4
Power kW
115 - 260 kW
Power kW
135 - 156 kW
Engine capacity
1,499 cm3
Engine capacity
1,498 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
B
Brand
Mercedes-Benz
Brand
BYD
What drivetrain options does the Mercedes CLA Coupe have?

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

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.