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BMW 8 Series Coupé vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (625 HP vs 843 HP), boot space and price (90,000 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Mercedes AMG GT 4-Door Coupé?

BMW 8 Series Coupé vs Mercedes AMG GT 4-Door Coupé: Key differences

BMW 8 Series Coupé

  • marginally cheaper
  • considerably more efficient
  • a bit lighter
details

Mercedes AMG GT 4-Door Coupé

  • markedly more power
  • slightly quicker 0–100 km/h
  • marginally more trunk space
details

By Achim Sedelmaier

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

8 Series Coupé

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW 8 Series Coupé is marginally cheaper – starting at 90,000 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 7,211 £.

Fuel consumption also shows a difference: the BMW 8 Series Coupé uses 6.7 L/100km and is considerably more efficient than the Mercedes AMG GT 4-Door Coupé with 9.5 L/100km. The difference is about 2.8 L/100km.

AMG GT 4-Door Coupé

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 4-Door Coupé offers markedly more power – delivering 843 HP compared to 625 HP. That’s roughly 218 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is slightly quicker – completing the sprint in 2.9 s, while the BMW 8 Series Coupé takes 3.2 s. That’s about 0.3 s quicker.

Looking at top speed, the Mercedes AMG GT 4-Door Coupé is markedly faster – reaching 316 km/h, while the BMW 8 Series Coupé tops out at 250 km/h. The difference is around 66 km/h.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers significantly more torque with 1,470 Nm compared to 750 Nm. That’s about 720 Nm more.

8 Series Coupé

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: BMW 8 Series Coupé offers more seats – 5 vs 4.

In terms of curb weight, BMW 8 Series Coupé is a bit lighter – 1,805 kg compared to 2,040 kg. The difference is around 235 kg.

Looking at boot space, the Mercedes AMG GT 4-Door Coupé offers marginally more boot space – 461 L compared to 440 L. That’s a difference of about 21 L.

When it comes to payload, the BMW 8 Series Coupé carries marginally more – 545 kg compared to 510 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé holds a narrow 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 £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
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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P90449410_highRes_bmw-m850i-xdrive-cou
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P90348805_highRes_the-all-new-bmw-m8-c

Reviews BMW 8 Series Coupé

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

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.

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Reviews Mercedes AMG GT 4-Door Coupé

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Costs and Consumption
Price
90,000 - 158,900 £
Price
97,200 - 182,100 £
Consumption L/100km
6.7 - 11.5 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
176 - 263 g/km
co2
215 - 287 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
Coupe
Body Type
Coupe
Seats
4 - 5
Seats
4
Doors
2 - 4
Doors
5
Curb weight
1,805 - 2,085 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
420 - 440 L
Trunk capacity
335 - 461 L
Length
4,851 - 5,098 mm
Length
5,054 mm
Width
1,902 - 1,943 mm
Width
1,953 mm
Height
1,346 - 1,420 mm
Height
1,447 - 1,455 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
370 - 545 kg
Payload
380 - 510 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 625 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
250 km/h
Max Speed
270 - 316 km/h
Torque
500 - 750 Nm
Torque
500 - 1,470 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
245 - 460 kW
Power kW
286 - 620 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 8 Series Coupé?

The BMW 8 Series Coupé is offered with All-Wheel Drive or 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.