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XPeng X9 vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (503 HP vs 1,169 HP), boot space and price (66,500 £ vs 132,600 £ ) at a glance. Find out which car is the better choice for you – XPeng X9 or Mercedes AMG GT 4-Door Coupé?

XPeng X9 vs Mercedes AMG GT 4-Door Coupé: Key differences

XPeng X9

  • significantly cheaper
  • significantly more trunk space
details

Mercedes AMG GT 4-Door Coupé

  • significantly more power
  • somewhat more efficient
  • moderately more electric range
  • considerably quicker 0–100 km/h
  • marginally lighter
details

By Achim Sedelmaier

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

X9

Costs and Efficiency:

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

XPeng X9 is significantly cheaper – starting at 66,500 £ , while the Mercedes AMG GT 4-Door Coupé costs 132,600 £ . That’s a price difference of around 66,086 £.

In terms of energy consumption, the Mercedes AMG GT 4-Door Coupé is somewhat more efficient: consuming 18.1 kWh/100km compared to 20 kWh/100km for the XPeng X9. That’s a difference of about 1.9 kWh/100km.

As for electric range, the Mercedes AMG GT 4-Door Coupé offers moderately more range – reaching up to 690 km, about 75 km more than the XPeng X9.

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 significantly more power – delivering 1,169 HP compared to 503 HP. That’s roughly 666 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 2.4 s, while the XPeng X9 takes 5.9 s. That’s about 3.5 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers substantially more torque with 2,000 Nm compared to 640 Nm. That’s about 1,360 Nm more.

X9

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: XPeng X9 offers more seats – 7 vs 4.

In terms of curb weight, Mercedes AMG GT 4-Door Coupé is marginally lighter – 2,535 kg compared to 2,690 kg. The difference is around 155 kg.

Looking at boot space, the XPeng X9 offers significantly more boot space – 721 L compared to 400 L. That’s a difference of about 321 L.

When it comes to payload, the XPeng X9 carries visibly more – 610 kg compared to 460 kg. That’s a difference of about 150 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé 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 £132,600
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 816 - 1,169 HP
  • Consumption kWh/100km 18.1 - 18.2 kWh/100km
  • Electric Range 686 - 690 km
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XPeng X9

The XPeng X9 is a high-tech electric flagship that blends a roomy, upscale cabin with a sleek, modern design aimed at families and tech-minded drivers. It showcases advanced driver-assistance systems and a sophisticated infotainment setup, delivering a quietly refined and convenient driving experience.

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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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Costs and Consumption
Price
66,500 - 74,200 £
Price
132,600 - 168,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
20 - 20.8 kWh/100km
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Electric Range
535 - 615 km
Electric Range
686 - 690 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Coupe
Seats
7
Seats
4
Doors
-
Doors
-
Curb weight
2,690 - 2,750 kg
Curb weight
2,535 kg
Trunk capacity
721 L
Trunk capacity
400 L
Length
-
Length
-
Width
1,988 mm
Width
1,958 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
575 - 610 kg
Payload
460 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
320 - 503 HP
Power HP
816 - 1,169 HP
Acceleration 0-100km/h
5.9 - 8.2 s
Acceleration 0-100km/h
2.4 - 2.8 s
Max Speed
-
Max Speed
-
Torque
450 - 640 Nm
Torque
1,800 - 2,000 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
235 - 370 kW
Power kW
600 - 860 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
-
Brand
XPeng
Brand
Mercedes-Benz
Is the XPeng X9 offered with different drivetrains?

The XPeng X9 is available as Front-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.