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Mazda MX-5 Roadster vs Mercedes SL Class comparison

Compare performance (132 HP vs 816 HP), boot space and price (28,400 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes SL Class?

Mazda MX-5 Roadster vs Mercedes SL Class: Key differences

Mazda MX-5 Roadster

  • substantially cheaper
  • substantially more efficient
  • clearly lighter

Mercedes SL Class

  • substantially more power
  • clearly quicker 0–100 km/h

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

MX-5 Roadster

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.

Mazda MX-5 Roadster is substantially cheaper – starting at 28,400 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 84,256 £.

Fuel consumption also shows a difference: the Mazda MX-5 Roadster uses 6.2 L/100km and is substantially more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 2.8 L/100km.

SL Class

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 SL Class offers substantially more power – delivering 816 HP compared to 132 HP. That’s roughly 684 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is clearly quicker – completing the sprint in 2.9 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 5.4 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers considerably more torque with 1,420 Nm compared to 152 Nm. That’s about 1,268 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 SL Class offers more seats – 4 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is clearly lighter – 1,078 kg compared to 1,810 kg. The difference is around 732 kg.

When it comes to payload, the Mercedes SL Class carries clearly more – 375 kg compared to 152 kg. That’s a difference of about 223 kg.

Who wins the race in the data check?

The Mercedes SL Class is decisively ahead 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 £112,700
SL Class

Mercedes SL Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L/100km
  • Electric Range : 12 km
details

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View detailed analysis

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View detailed analysis

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View detailed analysis

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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Reviews Mazda MX-5 Roadster

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Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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Mazda MX-5 Roadster
Mercedes SL Class

Costs and Consumption
Price
28,400 - 33,800 £
Price
112,700 - 219,300 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
9 - 13.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Roadster
Seats
2
Seats
4
Doors
-
Doors
-
Curb weight
1,078 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
130 L
Trunk capacity
-
Length
-
Length
-
Width
1,735 mm
Width
1,915 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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
381 - 816 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
480 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
97 kW
Power kW
280 - 600 kW
Engine capacity
1,496 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
E
CO2 Efficiency Class
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.