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Mercedes GLB vs Mercedes AMG GT comparison

Compare performance (354 HP vs 816 HP), boot space and price (43,200 £ vs 102,500 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Mercedes AMG GT?

Mercedes GLB vs Mercedes AMG GT: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably cheaper
  • considerably more efficient
  • considerably more electric range
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Mercedes AMG GT

  • clearly more power
  • considerably quicker 0–100 km/h
  • very slightly lighter
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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

GLB

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLB is considerably cheaper – starting at 43,200 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 59,307 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is considerably more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 4.6 L/100km.

As for electric range, the Mercedes GLB offers considerably more range – reaching up to 631 km, about 620 km more than the Mercedes AMG GT.

AMG GT

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 Mercedes AMG GT offers clearly more power – delivering 816 HP compared to 354 HP. That’s roughly 462 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is considerably quicker – completing the sprint in 2.8 s, while the Mercedes GLB takes 5.5 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers clearly more torque with 1,420 Nm compared to 515 Nm. That’s about 905 Nm more.

GLB

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 GLB offers more seats – 5 vs 2.

In terms of curb weight, Mercedes AMG GT is very slightly lighter – 1,790 kg compared to 1,840 kg. The difference is around 50 kg.

When it comes to payload, the Mercedes GLB carries significantly more – 505 kg compared to 215 kg. That’s a difference of about 290 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £43,200
GLB

Mercedes GLB

  • Engine Type : Electric, Full Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 156 - 354 HP
  • Consumption L/100km : 5.7 - 6.1 L/100km
  • Consumption kWh/100km : 15.4 - 15.9 kWh/100km
  • Electric Range : 431 - 631 km
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

How do you mainly use this car? (optional): Leisure / Weekend driver
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 GLB
Mercedes AMG GT

Costs and Consumption
Price
43,200 - 62,400 £
Price
102,500 - 194,400 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
10.3 - 14 L/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
431 - 631 km
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 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
1,840 - 2,280 kg
Curb weight
1,790 - 2,195 kg
Trunk capacity
540 L
Trunk capacity
-
Length
-
Length
-
Width
1,861 mm
Width
1,929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
115 - 260 kW
Power kW
320 - 600 kW
Engine capacity
1,499 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Mercedes-Benz
What drive types are available for the Mercedes GLB?

Available configurations include Rear-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.