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Mazda 6 Saloon vs Mercedes C-Class Saloon comparison

Compare performance (258 HP vs 680 HP), boot space and price (38,500 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Mercedes C-Class Saloon?

Mazda 6 Saloon vs Mercedes C-Class Saloon: Key differences

Mazda 6 Saloon

  • only slightly cheaper
  • substantially more electric range
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Mercedes C-Class Saloon

  • significantly more power
  • considerably quicker 0–100 km/h
  • somewhat lighter
  • clearly more trunk space
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By Achim Sedelmaier

6 Saloon

Mazda 6 Sedan vs. Mercedes C-Klasse Limousine: A Battle of Elegance and Performance

In the fiercely contested midsize luxury sedan segment, the Mazda 6 Sedan and the Mercedes C-Klasse Limousine are two titans that offer a blend of luxury, performance, and innovation. Both vehicles embody the spirit of their brands, bringing unique features to the table. Join us as we delve into the technical aspects and innovations that set these two models apart.

C-Class Saloon

Under the Hood: Power and Performance

The Mazda 6 Sedan is equipped with a range of petrol engines, offering power outputs from 145 to 194 HP. With engine capacities of either 1998 cm3 or 2488 cm3, the Mazda 6 delivers a spirited driving experience. It takes advantage of a front-wheel-drive system and offers both manual and automatic transmissions, catering to driving purists and those enjoying a more laid-back ride.

On the other hand, the Mercedes C-Klasse Limousine offers a diverse range of mild hybrid and plug-in hybrid engines, delivering power from 183 to a remarkable 680 HP. This variety extends to different drive types, including rear-wheel drive and all-wheel drive, paired with an automatic gearbox to ensure a seamless driving experience.

Fuel Efficiency and Environmental Impact

Looking at fuel efficiency, the Mazda 6 Sedan achieves consumption figures ranging from 6.7 to 7.4 L/100km, with CO2 emissions between 152 and 167 g/km. These numbers indicate a balance between performance and efficiency, with room for improvement in reducing its environmental impact.

The C-Klasse Limousine benefits from its hybrid technology, with fuel consumption starting as low as 0.4 L/100km for the plug-in variants and CO2 emissions beginning at just 11 g/km. This makes the Mercedes an appealing choice for eco-conscious consumers, especially those interested in a modern hybrid driving experience.

Dimensions and Comfort: Space for All

The Mazda 6 Sedan boasts a length of 4870 mm, a width of 1840 mm, and a height of 1450 mm, offering ample interior space and a trunk capacity of 480 liters. It is designed to comfortably seat five passengers, making it a practical choice for families and long journeys.

Meanwhile, the Mercedes C-Klasse Limousine's dimensions vary slightly depending on the model, reaching up to 4842 mm in length. Despite a smaller trunk capacity of up to 455 liters, the interior remains spacious and luxurious, befitting a vehicle with its premium branding.

Innovation and Technology

Mazda’s approach to innovation focuses on driving dynamics and safety features. The 6 Sedan is equipped with advanced technology such as adaptive cruise control, lane-keeping assist, and a comprehensive infotainment system to enhance the driving experience.

The Mercedes C-Klasse Limousine, with its emphasis on luxury and tech-savvy features, offers next-level innovations. From hybrid powertrains providing extended electric range to cutting-edge driver assistance systems, the C-Klasse showcases the pinnacle of automotive technology.

The Verdict: Choosing Between Elegance and Power

The decision between the Mazda 6 Sedan and Mercedes C-Klasse Limousine ultimately rests on individual preferences. The Mazda 6 appeals to those valuing cost-effectiveness, practicality, and precise handling. On the other hand, the Mercedes C-Klasse impresses with its hybrid efficiency, innovative technology, and luxurious appointments.

In conclusion, both vehicles surpass their segment expectations, yet cater to different tastes and priorities. Whichever you choose, you are backed by a legacy of automotive excellence from both Mazda and Mercedes-Benz.

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

6 Saloon

Costs and Efficiency:

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

Mazda 6 Saloon is only slightly cheaper – starting at 38,500 £ , while the Mercedes C-Class Saloon costs 41,300 £ . That’s a price difference of around 2,840 £.

As for electric range, the Mazda 6 Saloon offers substantially more range – reaching up to 552 km, about 541 km more than the Mercedes C-Class Saloon.

C-Class Saloon

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes C-Class Saloon offers significantly more power – delivering 680 HP compared to 258 HP. That’s roughly 422 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C-Class Saloon is considerably quicker – completing the sprint in 3.4 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 4.2 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers significantly more torque with 1,020 Nm compared to 320 Nm. That’s about 700 Nm more.

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 C-Class Saloon is somewhat lighter – 1,695 kg compared to 2,027 kg. The difference is around 332 kg.

Looking at boot space, the Mercedes C-Class Saloon offers clearly more boot space – 455 L compared to 336 L. That’s a difference of about 119 L.

When it comes to payload, the Mercedes C-Class Saloon carries visibly more – 570 kg compared to 360 kg. That’s a difference of about 210 kg.

Who wins the race in the data check?

The Mercedes C-Class 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 £41,300
C-Class Saloon

Mercedes C-Class Saloon

  • Engine Type Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 183 - 680 HP
  • Consumption L/100km 4.5 - 9 L/100km
  • Electric Range 11 km
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Mazda 6 Saloon
Mercedes C-Class Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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 C-Class Saloon

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Mazda 6 Saloon
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Mazda 6 Saloon
Mercedes C-Class Saloon

Costs and Consumption
Price
38,500 - 41,600 £
Price
41,300 - 103,400 £
Consumption L/100km
-
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
-
Electric Range
479 - 552 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,027 - 2,028 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
336 L
Trunk capacity
280 - 455 L
Length
4,921 mm
Length
-
Width
1,890 mm
Width
1,820 - 1,900 mm
Height
1,491 mm
Height
-
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
245 - 258 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
175 km/h
Max Speed
-
Torque
320 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
180 - 190 kW
Power kW
135 - 500 kW
Engine capacity
-
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, D, G
Brand
Mazda
Brand
Mercedes-Benz
What drive types are available for the Mazda 6 Saloon?

The Mazda 6 Saloon is available as Rear-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.