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BMW 5 Series Saloon vs Mercedes CLA Coupe comparison

Compare performance (727 HP vs 354 HP), boot space and price (50,800 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – BMW 5 Series Saloon or Mercedes CLA Coupe?

BMW 5 Series Saloon vs Mercedes CLA Coupe: Key differences

BMW 5 Series Saloon

  • substantially more power
  • considerably more efficient
  • significantly quicker 0–100 km/h
  • clearly more trunk space
details

Mercedes CLA Coupe

4.8 (2 Reviews)
rate
  • clearly cheaper
  • considerably more electric range
  • barely lighter
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

5 Series Saloon

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 is clearly cheaper – starting at 39,600 £ , while the BMW 5 Series Saloon costs 50,800 £ . That’s a price difference of around 11,192 £.

Fuel consumption also shows a difference: the BMW 5 Series Saloon uses 2.1 L/100km and is considerably more efficient than the Mercedes CLA Coupe with 4.9 L/100km. The difference is about 2.8 L/100km.

As for electric range, the Mercedes CLA Coupe offers considerably more range – reaching up to 791 km, about 686 km more than the BMW 5 Series Saloon.

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 BMW 5 Series Saloon offers substantially more power – delivering 727 HP compared to 354 HP. That’s roughly 373 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 5 Series Saloon is significantly quicker – completing the sprint in 3.5 s, while the Mercedes CLA Coupe takes 4.9 s. That’s about 1.4 s quicker.

Looking at top speed, the BMW 5 Series Saloon is moderately faster – reaching 250 km/h, while the Mercedes CLA Coupe tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: the BMW 5 Series Saloon delivers significantly more torque with 1,000 Nm compared to 515 Nm. That’s about 485 Nm more.

5 Series Saloon

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes CLA Coupe is barely lighter – 1,695 kg compared to 1,800 kg. The difference is around 105 kg.

Looking at boot space, the BMW 5 Series Saloon offers clearly more boot space – 520 L compared to 405 L. That’s a difference of about 115 L.

When it comes to payload, the BMW 5 Series Saloon carries markedly more – 600 kg compared to 455 kg. That’s a difference of about 145 kg.

Who wins the race in the data check?

The BMW 5 Series Saloon is far ahead overall 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 £50,800
5 Series Saloon

BMW 5 Series Saloon

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 197 - 727 HP
  • Consumption L/100km : 2.1 - 5.8 L/100km
  • Electric Range : 67 - 105 km
details

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Mercedes CLA Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 5 Series Saloon

The BMW 5 Series Saloon blends executive poise with a driver's instinct, delivering a supple, refined cabin and a chassis that prefers composed authority over bravado. For buyers who want a grown-up commuter that still enjoys a twisty road, it’s the kind of car that keeps your colleagues impressed and your weekend grin intact.

details
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P90389076_highRes_the-new-bmw-540i-sed
P90389080_highRes_the-new-bmw-540i-sed

Reviews BMW 5 Series Saloon

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

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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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

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BMW 5 Series Saloon
Mercedes CLA Coupe

Costs and Consumption
Price
50,800 - 124,500 £
Price
39,600 - 59,300 £
Consumption L/100km
2.1 - 5.8 L/100km
Consumption L/100km
4.9 - 5.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
12.2 - 12.6 kWh/100km
Electric Range
67 - 105 km
Electric Range
541 - 791 km
Battery Capacity
19 - 19.4 kWh
Battery Capacity
58 kWh
co2
48 - 152 g/km
co2
0 - 120 g/km
Fuel tank capacity
60 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
5
Doors
4
Doors
4
Curb weight
1,800 - 2,515 kg
Curb weight
1,695 - 2,135 kg
Trunk capacity
466 - 520 L
Trunk capacity
405 L
Length
5,060 mm
Length
4,723 mm
Width
1,900 - 1,970 mm
Width
1,855 mm
Height
1,515 mm
Height
1,468 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
425 - 600 kg
Payload
430 - 455 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Engine Type
Electric, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
Power HP
197 - 727 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
4.9 - 8.8 s
Max Speed
225 - 250 km/h
Max Speed
210 km/h
Torque
330 - 1,000 Nm
Torque
280 - 515 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
145 - 535 kW
Power kW
115 - 260 kW
Engine capacity
1,995 - 4,395 cm3
Engine capacity
1,499 cm3

General
Model Year
2,023 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, E, B, C
CO2 Efficiency Class
A, C, D
Brand
BMW
Brand
Mercedes-Benz
Is the BMW 5 Series Saloon offered with different drivetrains?

Available configurations include Rear-Wheel Drive or All-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.