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Mazda MX-5 Roadster vs Mercedes GLA comparison

Compare performance (132 HP vs 421 HP), boot space and price (28,400 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Mercedes GLA?

Mazda MX-5 Roadster vs Mercedes GLA: Key differences

Mazda MX-5 Roadster

  • clearly cheaper
  • considerably lighter

Mercedes GLA

4.6 (3 Reviews)
rate
  • clearly more power
  • clearly more efficient
  • clearly quicker 0–100 km/h
  • considerably more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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 clearly cheaper – starting at 28,400 £ , while the Mercedes GLA costs 38,800 £ . That’s a price difference of around 10,388 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is clearly more efficient than the Mazda MX-5 Roadster with 6.2 L/100km. The difference is about 3.3 L/100km.

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 offers clearly more power – delivering 421 HP compared to 132 HP. That’s roughly 289 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is clearly quicker – completing the sprint in 4.3 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 4 s quicker.

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

MX-5 Roadster

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Mercedes GLA offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is considerably lighter – 1,078 kg compared to 1,570 kg. The difference is around 492 kg.

Looking at boot space, the Mercedes GLA offers considerably more boot space – 435 L compared to 130 L. That’s a difference of about 305 L.

When it comes to payload, the Mercedes GLA carries clearly more – 500 kg compared to 152 kg. That’s a difference of about 348 kg.

Who wins the race in the data check?

The Mercedes GLA is far ahead overall 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 £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/100km
  • Electric Range : 74 km
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Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Mercedes A Class
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Mazda MX-5 Roadster
Mercedes GLA

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

No reviews yet. Share your experience and help others decide.

Mercedes GLA

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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Reviews Mercedes GLA

4.6 (3 Reviews)
rate
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mazda MX-5 Roadster
Mercedes GLA

Costs and Consumption
Price
28,400 - 33,800 £
Price
38,800 - 75,300 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
74 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
140 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
35 L

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
5
Curb weight
1,078 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
130 L
Trunk capacity
385 - 435 L
Length
-
Length
4,412 mm
Width
1,735 mm
Width
1,834 - 1,849 mm
Height
-
Height
1,616 mm
Max trunk capacity
-
Max trunk capacity
1,385 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
8.3 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
210 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
1,496 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
E
CO2 Efficiency Class
B, E, F, 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.