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Mazda MX-5 Roadster vs Mercedes C Class Sedan comparison

Compare performance (132 HP vs 680 HP), boot space and price (28,400 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes C Class Sedan?

Mazda MX-5 Roadster vs Mercedes C Class Sedan: Key differences

Mazda MX-5 Roadster

  • clearly cheaper
  • substantially lighter

Mercedes C Class Sedan

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

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

MX-5 Roadster

Costs and Efficiency:

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

Mazda MX-5 Roadster is clearly cheaper – starting at 28,400 £ , while the Mercedes C Class Sedan costs 41,300 £ . That’s a price difference of around 12,877 £.

Fuel consumption also shows a difference: the Mercedes C Class Sedan uses 1.6 L/100km and is considerably more efficient than the Mazda MX-5 Roadster with 6.2 L/100km. The difference is about 4.6 L/100km.

C Class Sedan

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 Sedan offers significantly more power – delivering 680 HP compared to 132 HP. That’s roughly 548 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is clearly quicker – completing the sprint in 3.4 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 4.9 s quicker.

There’s also a difference in torque: the Mercedes C Class Sedan delivers considerably more torque with 1,020 Nm compared to 152 Nm. That’s about 868 Nm more.

MX-5 Roadster

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes C Class Sedan offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is substantially lighter – 1,078 kg compared to 1,695 kg. The difference is around 617 kg.

Looking at boot space, the Mercedes C Class Sedan offers significantly more boot space – 455 L compared to 130 L. That’s a difference of about 325 L.

When it comes to payload, the Mercedes C Class Sedan carries clearly more – 570 kg compared to 152 kg. That’s a difference of about 418 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan stands well ahead of its rival 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 Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L/100km
  • Electric Range : 11 - 117 km
details

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Mazda MX-5 Roadster

The Mazda MX-5 is a featherweight, open-top sports car that turns ordinary roads into a grin-inducing playground thanks to razor-sharp steering and an engaging, tactile gearbox. It won’t swallow the weekly shopping or ski bags, but for anyone after pure driving fun and sun-on-your-face weekends, few cars match its sheer charm and value.

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Mercedes C Class Sedan

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 MX-5 Roadster
Mercedes C Class Sedan

Costs and Consumption
Price
28,400 - 33,800 £
Price
41,300 - 103,400 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
1.6 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 - 117 km
Battery Capacity
-
Battery Capacity
19.5 kWh
co2
140 g/km
co2
41 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
50 L

Dimensions and Body
Body Type
Roadster
Body Type
Sedan
Seats
2
Seats
5
Doors
-
Doors
4
Curb weight
1,078 kg
Curb weight
1,695 - 2,195 kg
Trunk capacity
130 L
Trunk capacity
315 - 455 L
Length
-
Length
4,751 mm
Width
1,735 mm
Width
1,820 - 1,900 mm
Height
-
Height
1,438 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
480 - 570 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
235 - 250 km/h
Torque
152 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
97 kW
Power kW
135 - 500 kW
Engine capacity
1,496 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
E
CO2 Efficiency Class
E, B, D, G
Brand
Mazda
Brand
Mercedes-Benz
What drive types are available for the Mazda MX-5 Roadster?

The Mazda MX-5 Roadster 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.