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Mazda MX-5 Roadster vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (132 HP vs 843 HP), boot space and price (28,400 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes AMG GT 4-Door Coupé?

Mazda MX-5 Roadster vs Mercedes AMG GT 4-Door Coupé: Key differences

Mazda MX-5 Roadster

  • considerably cheaper
  • significantly more efficient
  • clearly lighter
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Mercedes AMG GT 4-Door Coupé

  • considerably more power
  • substantially quicker 0–100 km/h
  • substantially more trunk space
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By Achim Sedelmaier

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 considerably cheaper – starting at 28,400 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 68,763 £.

Fuel consumption also shows a difference: the Mazda MX-5 Roadster uses 6.2 L/100km and is significantly more efficient than the Mercedes AMG GT 4-Door Coupé with 9.5 L/100km. The difference is about 3.3 L/100km.

AMG GT 4-Door Coupé

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 AMG GT 4-Door Coupé offers considerably more power – delivering 843 HP compared to 132 HP. That’s roughly 711 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is substantially 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 AMG GT 4-Door Coupé delivers considerably more torque with 1,470 Nm compared to 152 Nm. That’s about 1,318 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 AMG GT 4-Door Coupé offers more seats – 4 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is clearly lighter – 1,078 kg compared to 2,040 kg. The difference is around 962 kg.

Looking at boot space, the Mercedes AMG GT 4-Door Coupé offers substantially more boot space – 461 L compared to 130 L. That’s a difference of about 331 L.

When it comes to payload, the Mercedes AMG GT 4-Door Coupé carries considerably more – 510 kg compared to 152 kg. That’s a difference of about 358 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé 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 £97,200
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 389 - 843 HP
  • Consumption L/100km : 9.5 - 12.7 L/100km
  • Electric Range : 11 km
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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 AMG GT 4-Door Coupé

The Mercedes-AMG GT 4-Door Coupé transforms AMG's sports-car attitude into a surprisingly practical four-door package, pairing dramatic coupe looks with an interior that's both luxurious and genuinely usable. It's the choice for buyers who want supercar charisma without losing daily comfort — dramatic presence, a rorty soundtrack, and a chassis that turns routine drives into something worth smiling about.

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Mercedes AMG GT 4-Door Coupé

Costs and Consumption
Price
28,400 - 33,800 £
Price
97,200 - 182,100 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
9.5 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
215 - 287 g/km
Fuel tank capacity
-
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
4
Doors
-
Doors
5
Curb weight
1,078 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
130 L
Trunk capacity
335 - 461 L
Length
-
Length
5,054 mm
Width
1,735 mm
Width
1,953 mm
Height
-
Height
1,447 - 1,455 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
380 - 510 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
All-Wheel Drive
Power HP
132 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
-
Max Speed
270 - 316 km/h
Torque
152 Nm
Torque
500 - 1,470 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
97 kW
Power kW
286 - 620 kW
Engine capacity
1,496 cm3
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2025
Model Year
2025
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.