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BMW X6 vs Mercedes AMG GT comparison

Compare performance (625 HP vs 816 HP), boot space and price (83600 £ vs 102500 £ ) at a glance. Find out which car is the better choice for you – BMW X6 or Mercedes AMG GT?

BMW X6 vs Mercedes AMG GT: Key differences

BMW X6

5 (1 Reviews)
rate
  • distinct cheaper
  • clearly more efficient

Mercedes AMG GT

  • noticeable more power
  • distinct quicker from 0–100 km/h
  • evident 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:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW X6 has a distinct advantage in terms of price – it starts at 83600 £ , while the Mercedes AMG GT costs 102500 £ . That’s a price difference of around 18933 £.

Fuel consumption also shows a difference: BMW X6 manages with 7.20 L and is therefore clearly more efficient than the Mercedes AMG GT with 10.30 L. The difference is about 3.10 L per 100 km.

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 has a noticeable edge – offering 816 HP compared to 625 HP. That’s roughly 191 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes AMG GT is distinct quicker – completing the sprint in 2.80 s, while the BMW X6 takes 3.90 s. That’s about 1.10 s faster.

There’s also a difference in torque: Mercedes AMG GT pulls clearly stronger with 1420 Nm compared to 750 Nm. That’s about 670 Nm difference.

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 decisively more seating capacity – 5 vs 2.

In curb weight, Mercedes AMG GT is evident lighter – 1790 kg compared to 2240 kg. The difference is around 450 kg.

When it comes to payload, BMW X6 significantly takes the win – 695 kg compared to 215 kg. That’s a difference of about 480 kg.

Who wins the race in the data check?

The BMW X6 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.

Frequently compared as well

BMW X6
Porsche Cayenne
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The BMW X6 and Porsche Cayenne compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes AMG GT
Mercedes SL Class
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The Mercedes AMG GT and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW X6
Mercedes AMG GT

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £83,600
X6

BMW X6

  • Engine Type : Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 298 - 625 HP
  • Consumption L/100km : 7.2 - 12.7 L
details

BMW X6

5 (1 Reviews)
rate

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.

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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 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

Reviews Mercedes AMG GT

BMW X6
Mercedes AMG GT

Costs and Consumption
Price
83600 - 146400 £
Price
102500 - 194400 £
Consumption L/100km
7.2 - 12.7 L
Consumption L/100km
10.3 - 14 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
188 - 288 g/km
co2
235 - 319 g/km
Fuel tank capacity
83 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
-
Curb weight
2240 - 2445 kg
Curb weight
1790 - 2195 kg
Trunk capacity
580 L
Trunk capacity
-
Length
4960 mm
Length
-
Width
2004 - 2019 mm
Width
1929 mm
Height
1700 mm
Height
-
Max trunk capacity
1530 L
Max trunk capacity
-
Payload
595 - 695 kg
Payload
170 - 215 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
298 - 625 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
250 km/h
Max Speed
-
Torque
540 - 750 Nm
Torque
500 - 1420 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 8
Power kW
219 - 460 kW
Power kW
320 - 600 kW
Engine capacity
2993 - 4395 cm3
Engine capacity
1991 - 3982 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Mercedes-Benz

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What drivetrain options does the BMW X6 have?

The BMW X6 is available as All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.