@ Mercedes-Benz Group Media
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Mazda 6 Saloon vs Mercedes CLA Coupe – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Mazda 6 Saloon or Mercedes CLA Coupe?

Mazda 6 Saloon

Mercedes CLA Coupe

You can find all user reviews further down on this page.

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

CLA Coupe @ Mercedes-Benz Group Media

Costs and Efficiency:

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

Mercedes CLA Coupe has a barely noticeable advantage in terms of price – it starts at 37100 £, while the Mazda 6 Saloon costs 38500 £. That’s a price difference of around 1383 £.

In terms of energy consumption, the advantage goes to the Mercedes CLA Coupe: with 12.20 kWh per 100 km, it’s evident more efficient than the Mazda 6 Saloon with 16.50 kWh. That’s a difference of about 4.30 kWh.

As for range, the Mercedes CLA Coupe performs clearly perceptible better – achieving up to 791 km, about 239 km more than the Mazda 6 Saloon.

CLA Coupe @ Mercedes-Benz Group Media

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 Mercedes CLA Coupe has a noticeable edge – offering 421 HP compared to 258 HP. That’s roughly 163 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes CLA Coupe is convincingly quicker – completing the sprint in 4.10 s, while the Mazda 6 Saloon takes 7.60 s. That’s about 3.50 s faster.

In terms of top speed, the Mercedes CLA Coupe performs evident better – reaching 270 km/h, while the Mazda 6 Saloon tops out at 175 km/h. The difference is around 95 km/h.

There’s also a difference in torque: Mercedes CLA Coupe pulls clearly perceptible stronger with 515 Nm compared to 320 Nm. That’s about 195 Nm difference.

CLA Coupe @ Mercedes-Benz Group Media

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 curb weight, Mercedes CLA Coupe is evident lighter – 1505 kg compared to 2027 kg. The difference is around 522 kg.

In terms of boot space, the Mercedes CLA Coupe offers clearly perceptible more room – 460 L compared to 336 L. That’s a difference of about 124 L.

When it comes to payload, Mercedes CLA Coupe clearly perceptible takes the win – 490 kg compared to 360 kg. That’s a difference of about 130 kg.

Who wins the race?

The Mercedes CLA Coupe proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes CLA Coupe is the better all-rounder in this comparison.

Mazda 6 Saloon
Mercedes CLA Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £37,100
CLA Coupe @ Mercedes-Benz Group Media

Mercedes CLA Coupe

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.3 - 8.9 L
  • Consumption kWh/100km : 12.2 - 12.6 kWh
  • Electric Range : 86 - 791 km
details

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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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
19C0225_069 @ Mercedes-Benz Group Media
19C0225_068 @ Mercedes-Benz Group Media
19C0225_067 @ Mercedes-Benz Group Media
19C0225_044 @ Mercedes-Benz Group Media

Reviews Mazda 6 Saloon

Reviews Mercedes CLA Coupe

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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CLA Coupe @ Mercedes-Benz Group Media

Costs and Consumption
Price
38500 - 41600 £
Price
37100 - 73700 £
Consumption L/100km
-
Consumption L/100km
2.3 - 8.9 L
Consumption kWh/100km
16.5 - 16.6 kWh
Consumption kWh/100km
12.2 - 12.6 kWh
Electric Range
479 - 552 km
Electric Range
86 - 791 km
Battery Capacity
-
Battery Capacity
12.9 - 85 kWh
co2
0 g/km
co2
0 - 202 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
2027 - 2028 kg
Curb weight
1505 - 2135 kg
Trunk capacity
336 L
Trunk capacity
395 - 460 L
Length
4921 mm
Length
4692 - 4723 mm
Width
1890 mm
Width
1834 - 1857 mm
Height
1491 mm
Height
1404 - 1468 mm
Max trunk capacity
1074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
440 - 490 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive
Power HP
245 - 258 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
4.1 - 10 s
Max Speed
175 km/h
Max Speed
205 - 270 km/h
Torque
320 Nm
Torque
230 - 515 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
180 - 190 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1332 - 1991 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, D, E, G, A
Brand
Mazda
Brand
Mercedes-Benz

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Is the Mazda 6 Saloon offered with different drivetrains?

The Mazda 6 Saloon is offered with 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.

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