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Mazda MX-5 Roadster vs Mercedes GLA - Differences and prices compared

Compare performance (132 HP vs 421 HP), boot space and price (28400 £ vs 38800 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes GLA?

Mazda MX-5 Roadster

Mercedes GLA

5 (1 Reviews)
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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 has a clearly perceptible advantage in terms of price – it starts at 28400 £ , while the Mercedes GLA costs 38800 £ . That’s a price difference of around 10388 £.

Fuel consumption also shows a difference: Mercedes GLA manages with 2.90 L and is therefore clearly more efficient than the Mazda MX-5 Roadster with 6.20 L. The difference is about 3.30 L per 100 km.

GLA

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 GLA has a clearly edge – offering 421 HP compared to 132 HP. That’s roughly 289 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLA is convincingly quicker – completing the sprint in 4.30 s, while the Mazda MX-5 Roadster takes 8.30 s. That’s about 4 s faster.

There’s also a difference in torque: Mercedes GLA pulls clearly stronger with 500 Nm compared to 152 Nm. That’s about 348 Nm difference.

MX-5 Roadster

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes GLA offers decisively more seating capacity – 5 vs 2.

In curb weight, Mazda MX-5 Roadster is decisively lighter – 1078 kg compared to 1570 kg. The difference is around 492 kg.

In terms of boot space, the Mercedes GLA offers clearly more room – 435 L compared to 130 L. That’s a difference of about 305 L.

When it comes to payload, Mercedes GLA decisively takes the win – 500 kg compared to 152 kg. That’s a difference of about 348 kg.

Who comes out on top?

Overall, the Mercedes GLA shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £38,800
GLA

Mercedes GLA

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.9 - 9.5 L
  • Electric Range : 74 km
Mazda MX-5 Roadster
Mercedes GLA

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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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 GLA

5 (1 Reviews)
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The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

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Mazda MX-5 Roadster
Mercedes GLA

Costs and Consumption

Price
28400 - 33800 £
Price
38800 - 75300 £
Consumption L/100km
6.20 L
Consumption L/100km
2.9 - 9.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
74 km
Battery Capacity
-
Battery Capacity
12.90 kWh
co2
140 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
35 - 51 L

Dimensions and Body

Body Type
Roadster
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
5
Curb weight
1078 kg
Curb weight
1570 - 1810 kg
Trunk capacity
130 L
Trunk capacity
385 - 435 L
Length
-
Length
4412 - 4443 mm
Width
1735 mm
Width
1834 - 1849 mm
Height
-
Height
1590 - 1616 mm
Max trunk capacity
-
Max trunk capacity
1385 - 1430 L
Payload
152 kg
Payload
480 - 500 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
8.30 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
190 - 270 km/h
Torque
152 Nm
Torque
230 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
97 kW
Power kW
85 - 310 kW
Engine capacity
1496 cm3
Engine capacity
1332 - 1991 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
E
CO2 Efficiency Class
B, E, F, G
Brand
Mazda
Brand
Mercedes-Benz
What drivetrain options does the Mazda MX-5 Roadster have?

The Mazda MX-5 Roadster is offered with Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.