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Mazda MX-5 Roadster vs Mercedes AMG GT comparison

Compare performance (132 HP vs 816 HP), boot space and price (29,000 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes AMG GT?

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

Mazda MX-5 Roadster

  • substantially cheaper
  • considerably more efficient
  • significantly lighter
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Mercedes AMG GT

  • substantially more power
  • significantly quicker 0–100 km/h
  • significantly 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:

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 29,000 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 73,542 £.

Fuel consumption also shows a difference: the Mazda MX-5 Roadster uses 6.2 L/100km and is considerably more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 4.1 L/100km.

AMG GT

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 AMG GT 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 AMG GT is significantly quicker – completing the sprint in 2.8 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 5.5 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers significantly 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?

Both vehicles offer seating for 2 people.

In terms of curb weight, Mazda MX-5 Roadster is significantly lighter – 1,078 kg compared to 1,790 kg. The difference is around 712 kg.

Looking at boot space, the Mercedes AMG GT offers significantly more boot space – 321 L compared to 130 L. That’s a difference of about 191 L.

When it comes to payload, the Mercedes AMG GT carries clearly more – 215 kg compared to 152 kg. That’s a difference of about 63 kg.

Who wins the race in the data check?

The Mercedes AMG GT 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 £102,500
AMG GT

Mercedes AMG GT

  • Engine Type Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 435 - 816 HP
  • Consumption L/100km 10.3 - 14 L/100km
  • Electric Range 11 km
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Mercedes AMG GT

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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 AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Mercedes AMG GT

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Mazda MX-5 Roadster
Mercedes AMG GT

Costs and Consumption
Price
29,000 - 34,300 £
Price
102,500 - 194,400 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
-
Curb weight
1,078 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
130 L
Trunk capacity
182 - 321 L
Length
-
Length
-
Width
1,735 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
170 - 215 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
435 - 816 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
97 kW
Power kW
320 - 600 kW
Engine capacity
1,496 cm3
Engine capacity
1,991 - 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.