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BMW X6 vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (625 HP vs 843 HP), boot space and price (83,600 £ vs 97,200 £ ) at a glance. Find out which car is the better choice for you – BMW X6 or Mercedes AMG GT 4-Door Coupé?

BMW X6 vs Mercedes AMG GT 4-Door Coupé: Key differences

BMW X6

5 (1 Reviews)
rate
  • moderately cheaper
  • noticeably more efficient
  • noticeably more trunk space

Mercedes AMG GT 4-Door Coupé

  • markedly more power
  • clearly quicker 0–100 km/h
  • only slightly lighter

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

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

X6

Costs and Efficiency:

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

BMW X6 is moderately cheaper – starting at 83,600 £ , while the Mercedes AMG GT 4-Door Coupé costs 97,200 £ . That’s a price difference of around 13,640 £.

Fuel consumption also shows a difference: the BMW X6 uses 7.2 L/100km and is noticeably more efficient than the Mercedes AMG GT 4-Door Coupé with 9.5 L/100km. The difference is about 2.3 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 clearly quicker – completing the sprint in 2.9 s, while the BMW X6 takes 3.9 s. That’s about 1 s quicker.

Looking at top speed, the Mercedes AMG GT 4-Door Coupé is visibly faster – reaching 316 km/h, while the BMW X6 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.

X6

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: BMW X6 offers more seats – 5 vs 4.

In terms of curb weight, Mercedes AMG GT 4-Door Coupé is only slightly lighter – 2,040 kg compared to 2,240 kg. The difference is around 200 kg.

Looking at boot space, the BMW X6 offers noticeably more boot space – 580 L compared to 461 L. That’s a difference of about 119 L.

When it comes to payload, the BMW X6 carries noticeably more – 695 kg compared to 510 kg. That’s a difference of about 185 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé is slightly 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
details

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Mercedes AMG GT 4-Door Coupé

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

details
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Reviews BMW X6

5 (1 Reviews)
rate
Ioana Annayse Simion
26 Jan 2026, 17:50:11

BMW IS BEST!!!!!!

How do you mainly use this car? (optional): Long-distance 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
83,600 - 146,400 £
Price
97,200 - 182,100 £
Consumption L/100km
7.2 - 12.7 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
188 - 288 g/km
co2
215 - 287 g/km
Fuel tank capacity
83 L
Fuel tank capacity
73 - 80 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
4
Doors
5
Doors
5
Curb weight
2,240 - 2,445 kg
Curb weight
2,040 - 2,380 kg
Trunk capacity
580 L
Trunk capacity
335 - 461 L
Length
4,960 mm
Length
5,054 mm
Width
2,004 - 2,019 mm
Width
1,953 mm
Height
1,700 mm
Height
1,447 - 1,455 mm
Max trunk capacity
1,530 L
Max trunk capacity
-
Payload
595 - 695 kg
Payload
380 - 510 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
298 - 625 HP
Power HP
389 - 843 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
250 km/h
Max Speed
270 - 316 km/h
Torque
540 - 750 Nm
Torque
500 - 1,470 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
219 - 460 kW
Power kW
286 - 620 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,999 - 3,982 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz
What drivetrain options does the BMW X6 have?

The BMW X6 is available as 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.