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Mercedes CLA Coupe vs smart #5 – Performance, range & efficiency compared
Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether Mercedes CLA Coupe or smart #5 fits your lifestyle better.
CLA Coupe
@ Mercedes-Benz Group Media
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
Mercedes CLA Coupe has a slight advantage in terms of price – it starts at 37100 £, while the smart #5 costs 39300 £. That’s a price difference of around 2240 £.
In terms of energy consumption, the advantage goes to the Mercedes CLA Coupe: with 12.20 kWh per 100 km, it’s clearly more efficient than the smart #5 with 18.40 kWh. That’s a difference of about 6.20 kWh.
As for range, the Mercedes CLA Coupe performs clearly perceptible better – achieving up to 791 km, about 201 km more than the smart #5.
CLA Coupe
@ Mercedes-Benz Group Media
Engine and Performance:
Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.
When it comes to engine power, the smart #5 has a noticeable edge – offering 646 HP compared to 421 HP. That’s roughly 225 HP more horsepower.
In acceleration from 0 to 100 km/h, the smart #5 is barely noticeable quicker – completing the sprint in 3.80 s, while the Mercedes CLA Coupe takes 4.10 s. That’s about 0.30 s faster.
In terms of top speed, the Mercedes CLA Coupe performs clearly perceptible better – reaching 270 km/h, while the smart #5 tops out at 210 km/h. The difference is around 60 km/h.
There’s also a difference in torque: smart #5 pulls evident stronger with 710 Nm compared to 515 Nm. That’s about 195 Nm difference.
CLA Coupe
@ Mercedes-Benz Group Media
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 convincingly lighter – 1505 kg compared to 2200 kg. The difference is around 695 kg.
In terms of boot space, the smart #5 offers clearly perceptible more room – 630 L compared to 460 L. That’s a difference of about 170 L.
When it comes to payload, smart #5 barely noticeable takes the win – 502 kg compared to 490 kg. That’s a difference of about 12 kg.
Who wins the race?
The Mercedes CLA Coupe proves to be barely ahead and therefore becomes our DriveDuel Champion!
Mercedes CLA Coupe is the better all-rounder in this comparison.
from about £37,100
@ Mercedes-Benz Group Media
Mercedes CLA Coupe
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
@ Mercedes-Benz Group Media
@ Mercedes-Benz Group Media
@ Mercedes-Benz Group Media
@ Mercedes-Benz Group Media
smart #5
The Smart #5 continues to build on the brand's legacy of compact and efficient urban vehicles, now infused with a more modern and stylish design. Its sleek appearance is complemented by a spacious interior, offering comfort without compromising its compact nature. This model is ideal for city dwellers seeking a blend of innovation, practicality, and style in their daily drives.
details
Mercedes CLA Coupe
smart #5
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@ Mercedes-Benz Group Media
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Costs and Consumption |
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Price
37100 - 73700 £
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Price
39300 - 52200 £
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Consumption L/100km
2.3 - 8.9 L
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Consumption L/100km
-
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Consumption kWh/100km
12.2 - 12.6 kWh
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Consumption kWh/100km
18.4 - 19.9 kWh
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Electric Range
86 - 791 km
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Electric Range
465 - 590 km
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Battery Capacity
12.9 - 85 kWh
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Battery Capacity
74.4 - 94 kWh
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co2
0 - 202 g/km
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co2
0 g/km
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Fuel tank capacity
35 - 51 L
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
Coupe
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Body Type
SUV
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Seats
5
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Seats
5
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Doors
4
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Doors
5
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Curb weight
1505 - 2135 kg
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Curb weight
2200 - 2378 kg
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Trunk capacity
395 - 460 L
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Trunk capacity
630 L
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Length
4692 - 4723 mm
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Length
4695 mm
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Width
1834 - 1857 mm
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Width
1920 mm
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Height
1404 - 1468 mm
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Height
1705 mm
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Max trunk capacity
-
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Max trunk capacity
1530 L
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Payload
440 - 490 kg
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Payload
475 - 502 kg
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Engine and Performance |
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Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Power HP
116 - 421 HP
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Power HP
340 - 646 HP
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Acceleration 0-100km/h
4.1 - 10 s
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Acceleration 0-100km/h
3.8 - 6.9 s
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Max Speed
205 - 270 km/h
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Max Speed
200 - 210 km/h
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Torque
230 - 515 Nm
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Torque
373 - 710 Nm
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Number of Cylinders
4
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Number of Cylinders
-
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Power kW
85 - 310 kW
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Power kW
250 - 475 kW
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Engine capacity
1332 - 1991 cm3
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Engine capacity
-
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General |
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Model Year
2024 - 2025
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Model Year
2025
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CO2 Efficiency Class
B, D, E, G, A
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CO2 Efficiency Class
A
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Brand
Mercedes-Benz
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Brand
smart
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What drive types are available for the Mercedes CLA Coupe?
The Mercedes CLA Coupe is available as Front-Wheel Drive, All-Wheel Drive or Rear-Wheel Drive.
The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.