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NIO ET7 vs Mercedes CLA Coupe comparison

Compare performance (653 HP vs 354 HP), boot space and price (59,900 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – NIO ET7 or Mercedes CLA Coupe?

NIO ET7 vs Mercedes CLA Coupe: Key differences

NIO ET7

  • clearly more power
  • noticeably quicker 0–100 km/h
details

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • significantly cheaper
  • clearly more efficient
  • noticeably more electric range
  • significantly lighter
  • moderately more trunk space
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

ET7

Costs and Efficiency:

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

Mercedes CLA Coupe is significantly cheaper – starting at 39,600 £ , while the NIO ET7 costs 59,900 £ . That’s a price difference of around 20,278 £.

In terms of energy consumption, the Mercedes CLA Coupe is clearly more efficient: consuming 12.3 kWh/100km compared to 19 kWh/100km for the NIO ET7. That’s a difference of about 6.7 kWh/100km.

As for electric range, the Mercedes CLA Coupe offers noticeably more range – reaching up to 792 km, about 208 km more than the NIO ET7.

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 NIO ET7 offers clearly more power – delivering 653 HP compared to 354 HP. That’s roughly 299 HP more horsepower.

When accelerating from 0 to 100 km/h, the NIO ET7 is noticeably quicker – completing the sprint in 3.8 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the NIO ET7 delivers noticeably more torque with 850 Nm compared to 515 Nm. That’s about 335 Nm more.

ET7

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 significantly lighter – 1,695 kg compared to 2,434 kg. The difference is around 739 kg.

Looking at boot space, the Mercedes CLA Coupe offers moderately more boot space – 405 L compared to 363 L. That’s a difference of about 42 L.

When it comes to payload, the NIO ET7 carries marginally more – 466 kg compared to 455 kg. That’s a difference of about 11 kg.

Who wins the race in the data check?

The Mercedes CLA Coupe is slightly 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
NIO ET7
Mercedes CLA Coupe

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

NIO ET7

The NIO ET7 arrives like a calm thunderstorm — sleek, silent and unapologetically clever, turning motorway cruising into the sort of effortless glide that makes other cars feel noisy and rehearsed. Inside, it's all luxury sofas and smart gadgets that actually help rather than confuse, so buyers who crave tech and comfort will feel like they've upgraded their life without needing to spellcheck the manual.

details

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
NIO ET7
Mercedes CLA Coupe

Costs and Consumption

Price
59,900 - 68,900 £
Price
39,600 - 60,000 £
Consumption L/100km
-
Consumption L/100km
4.9 - 5.3 L/100km
Consumption kWh/100km
19 - 19.3 kWh/100km
Consumption kWh/100km
12.3 - 12.7 kWh/100km
Electric Range
451 - 584 km
Electric Range
542 - 792 km
Battery Capacity
73.5 - 90 kWh
Battery Capacity
-
co2
0 g/km
co2
0 - 120 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
2,434 - 2,454 kg
Curb weight
1,695 - 2,135 kg
Trunk capacity
363 L
Trunk capacity
405 L
Length
5,101 mm
Length
-
Width
1,987 mm
Width
1,855 mm
Height
1,509 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
446 - 466 kg
Payload
430 - 455 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Power HP
653 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
3.8 s
Acceleration 0-100km/h
4.9 - 8.8 s
Max Speed
200 km/h
Max Speed
-
Torque
850 Nm
Torque
280 - 515 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
480 kW
Power kW
115 - 260 kW
Engine capacity
-
Engine capacity
1,499 cm3

General

Model Year
2022
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A, C, D
Brand
NIO
Brand
Mercedes-Benz
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.