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BMW Z4 vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (340 HP vs 843 HP), boot space and price (43,500 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Mercedes AMG GT 4-Door Coupé?

BMW Z4 vs Mercedes AMG GT 4-Door Coupé: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • considerably cheaper
  • noticeably more efficient
  • markedly lighter
details

Mercedes AMG GT 4-Door Coupé

  • considerably more power
  • considerably quicker 0–100 km/h
  • clearly more trunk space
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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

Z4

Costs and Efficiency:

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

BMW Z4 is considerably cheaper – starting at 43,500 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 53,754 £.

Fuel consumption also shows a difference: the BMW Z4 uses 6.9 L/100km and is noticeably more efficient than the Mercedes AMG GT 4-Door Coupé with 9.5 L/100km. The difference is about 2.6 L/100km.

AMG GT 4-Door Coupé

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes AMG GT 4-Door Coupé offers considerably more power – delivering 843 HP compared to 340 HP. That’s roughly 503 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is considerably quicker – completing the sprint in 2.9 s, while the BMW Z4 takes 4.5 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers clearly more torque with 1,470 Nm compared to 500 Nm. That’s about 970 Nm more.

Z4

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 AMG GT 4-Door Coupé offers more seats – 4 vs 2.

In terms of curb weight, BMW Z4 is markedly lighter – 1,510 kg compared to 2,040 kg. The difference is around 530 kg.

Looking at boot space, the Mercedes AMG GT 4-Door Coupé offers clearly more boot space – 461 L compared to 281 L. That’s a difference of about 180 L.

When it comes to payload, the Mercedes AMG GT 4-Door Coupé carries significantly more – 510 kg compared to 235 kg. That’s a difference of about 275 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé is decisively ahead 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 £97,200
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 389 - 843 HP
  • Consumption L/100km : 9.5 - 12.7 L/100km
  • Electric Range : 11 km
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The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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P90479448_highRes_bmw-z4-m40i-09-2022
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Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

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 4-Door Coupé

The Mercedes-AMG GT 4-Door Coupé transforms AMG's sports-car attitude into a surprisingly practical four-door package, pairing dramatic coupe looks with an interior that's both luxurious and genuinely usable. It's the choice for buyers who want supercar charisma without losing daily comfort — dramatic presence, a rorty soundtrack, and a chassis that turns routine drives into something worth smiling about.

details
22C0220_007
22C0220_008
22C0136_006
22C0135_050
22C0179_004

Reviews Mercedes AMG GT 4-Door Coupé

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

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Mercedes AMG GT 4-Door Coupé

Costs and Consumption
Price
43,500 - 65,300 £
Price
97,200 - 182,100 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
9.5 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
215 - 287 g/km
Fuel tank capacity
-
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
4
Doors
-
Doors
5
Curb weight
1,510 - 1,640 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
281 L
Trunk capacity
335 - 461 L
Length
-
Length
5,054 mm
Width
1,864 mm
Width
1,953 mm
Height
-
Height
1,447 - 1,455 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
380 - 510 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
197 - 340 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
-
Max Speed
270 - 316 km/h
Torque
320 - 500 Nm
Torque
500 - 1,470 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
145 - 250 kW
Power kW
286 - 620 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 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.