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Mercedes CLA Coupe vs NIO ET5 Wagon comparison

Compare performance (354 HP vs 490 HP), boot space and price (39,600 £ vs 40,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes CLA Coupe or NIO ET5 Wagon?

Mercedes CLA Coupe vs NIO ET5 Wagon: Key differences

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • marginally cheaper
  • significantly more efficient
  • visibly more electric range
  • visibly lighter
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NIO ET5 Wagon

  • markedly more power
  • clearly quicker 0–100 km/h
  • only slightly more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

CLA Coupe

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes CLA Coupe is marginally cheaper – starting at 39,600 £ , while the NIO ET5 Wagon costs 40,700 £ . That’s a price difference of around 1,078 £.

In terms of energy consumption, the Mercedes CLA Coupe is significantly more efficient: consuming 12.3 kWh/100km compared to 19.3 kWh/100km for the NIO ET5 Wagon. That’s a difference of about 7 kWh/100km.

As for electric range, the Mercedes CLA Coupe offers visibly more range – reaching up to 792 km, about 232 km more than the NIO ET5 Wagon.

ET5 Wagon

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 NIO ET5 Wagon offers markedly more power – delivering 490 HP compared to 354 HP. That’s roughly 136 HP more horsepower.

When accelerating from 0 to 100 km/h, the NIO ET5 Wagon is clearly quicker – completing the sprint in 4 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the NIO ET5 Wagon delivers visibly more torque with 700 Nm compared to 515 Nm. That’s about 185 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, Mercedes CLA Coupe is visibly lighter – 1,695 kg compared to 2,265 kg. The difference is around 570 kg.

Looking at boot space, the NIO ET5 Wagon offers only slightly more boot space – 450 L compared to 405 L. That’s a difference of about 45 L.

When it comes to payload, the NIO ET5 Wagon carries marginally more – 465 kg compared to 455 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The Mercedes CLA Coupe is narrowly 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.

from £39,600
CLA Coupe

Mercedes CLA Coupe

  • Engine Type Electric, Full Hybrid
  • 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 12.3 - 12.7 kWh/100km
  • Electric Range 542 - 792 km
Mercedes CLA Coupe
NIO ET5 Wagon

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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NIO ET5 Wagon

The NIO ET5 Wagon blends sleek fastback styling with the sensible practicality of a wagon, delivering a premium-feeling cabin and clever cargo space that keeps life neatly packed. For buyers who want electric refinement without sacrificing family-hauler utility, the ET5 Wagon offers quiet, eager performance and smart packaging that makes weekend escapes and daily commutes equally enjoyable — yes, even with the dog and the golf clubs.

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Mercedes CLA Coupe
NIO ET5 Wagon

Costs and Consumption

Price
39,600 - 60,000 £
Price
40,700 - 58,700 £
Consumption L/100km
4.9 - 5.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
12.3 - 12.7 kWh/100km
Consumption kWh/100km
19.3 - 19.8 kWh/100km
Electric Range
542 - 792 km
Electric Range
435 - 560 km
Battery Capacity
-
Battery Capacity
73.5 - 90 kWh
co2
0 - 120 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

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
2,265 - 2,285 kg
Trunk capacity
405 L
Trunk capacity
450 L
Length
-
Length
4,790 mm
Width
1,855 mm
Width
1,960 mm
Height
-
Height
1,499 mm
Max trunk capacity
-
Max trunk capacity
1,300 L
Payload
430 - 455 kg
Payload
445 - 465 kg

Engine and Performance

Engine Type
Electric, Full Hybrid
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
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
490 HP
Acceleration 0-100km/h
4.9 - 8.8 s
Acceleration 0-100km/h
4 s
Max Speed
-
Max Speed
200 km/h
Torque
280 - 515 Nm
Torque
700 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
360 kW
Engine capacity
1,499 cm3
Engine capacity
-

General

Model Year
2,025 - 2,026
Model Year
2023
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
NIO
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.