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Mercedes GLA vs Mercedes AMG GT comparison

Compare performance (421 HP vs 816 HP), boot space and price (38,800 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Mercedes AMG GT?

Mercedes GLA vs Mercedes AMG GT: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • clearly cheaper
  • substantially more efficient
  • significantly more electric range
  • a bit lighter
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Mercedes AMG GT

  • significantly more power
  • clearly quicker 0–100 km/h
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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

GLA

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLA is clearly cheaper – starting at 38,800 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 63,668 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is substantially more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 7.4 L/100km.

As for electric range, the Mercedes GLA offers significantly more range – reaching up to 74 km, about 63 km more than the Mercedes AMG GT.

AMG GT

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 offers significantly more power – delivering 816 HP compared to 421 HP. That’s roughly 395 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is clearly quicker – completing the sprint in 2.8 s, while the Mercedes GLA takes 4.3 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers considerably more torque with 1,420 Nm compared to 500 Nm. That’s about 920 Nm more.

GLA

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 more seats – 5 vs 2.

In terms of curb weight, Mercedes GLA is a bit lighter – 1,570 kg compared to 1,790 kg. The difference is around 220 kg.

When it comes to payload, the Mercedes GLA carries clearly more – 500 kg compared to 215 kg. That’s a difference of about 285 kg.

Who wins the race in the data check?

The Mercedes GLA is clearly superior 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 : 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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Mercedes AMG GT

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

4.5 (4 Reviews)
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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

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

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

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Mercedes GLA
Mercedes AMG GT

Costs and Consumption
Price
38,800 - 75,300 £
Price
102,500 - 194,400 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
74 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
66 - 216 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,570 - 1,810 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
385 - 435 L
Trunk capacity
-
Length
-
Length
-
Width
1,834 - 1,849 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 500 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 421 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
230 - 500 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
85 - 310 kW
Power kW
320 - 600 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,991 - 3,982 cm3

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

The Mercedes GLA is available as Front-Wheel Drive or All-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.