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Ford Mustang Convertible vs Mercedes GLA comparison

Compare performance (446 HP vs 421 HP), boot space and price (56,900 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – Ford Mustang Convertible or Mercedes GLA?

Ford Mustang Convertible vs Mercedes GLA: Key differences

Ford Mustang Convertible

  • marginally more power
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • slightly quicker 0–100 km/h
  • a bit lighter
details

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

By Achim Sedelmaier

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

Mustang Convertible

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.

Mercedes GLA is clearly cheaper – starting at 38,800 £ , while the Ford Mustang Convertible costs 56,900 £ . That’s a price difference of around 18,078 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is clearly more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 9.4 L/100km.

GLA

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Ford Mustang Convertible offers marginally more power – delivering 446 HP compared to 421 HP. That’s roughly 25 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is slightly quicker – completing the sprint in 4.3 s, while the Ford Mustang Convertible takes 5 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Ford Mustang Convertible delivers marginally more torque with 540 Nm compared to 500 Nm. That’s about 40 Nm more.

Mustang Convertible

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 4.

In terms of curb weight, Mercedes GLA is a bit lighter – 1,570 kg compared to 1,876 kg. The difference is around 306 kg.

When it comes to payload, the Mercedes GLA carries noticeably more – 500 kg compared to 324 kg. That’s a difference of about 176 kg.

Who wins the race in the data check?

The Mercedes GLA holds a decisive overall lead 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 : Petrol MHEV, Plugin Hybrid, 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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Reviews Ford Mustang Convertible

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

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

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Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

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
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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Mercedes GLA

Costs and Consumption
Price
56,900 - 59,900 £
Price
38,800 - 75,300 £
Consumption L/100km
12.3 - 12.4 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
-
co2
280 - 282 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,876 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
-
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
1,916 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
319 - 324 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
446 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
5 - 5.4 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
540 Nm
Torque
230 - 500 Nm
Number of Cylinders
8
Number of Cylinders
4
Power kW
328 kW
Power kW
85 - 310 kW
Engine capacity
5,038 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, F, B, G
Brand
Ford
Brand
Mercedes-Benz
Is the Ford Mustang Convertible offered with different drivetrains?

The Ford Mustang Convertible 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.