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Mercedes GLS vs XPeng G9 comparison

Compare performance (634 HP vs 575 HP), boot space and price (96,100 £ vs 51,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or XPeng G9?

Mercedes GLS vs XPeng G9: Key differences

Mercedes GLS

  • marginally more power

XPeng G9

4.6 (3 Reviews)
rate
  • substantially cheaper
  • a bit lighter
  • clearly more trunk space

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

GLS

Costs and Efficiency:

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

XPeng G9 is substantially cheaper – starting at 51,100 £ , while the Mercedes GLS costs 96,100 £ . That’s a price difference of around 45,035 £.

G9

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 GLS offers marginally more power – delivering 634 HP compared to 575 HP. That’s roughly 59 HP more horsepower.

Both models accelerate almost equally fast – 4.2 s from 0 to 100 km/h.

There’s also a difference in torque: the Mercedes GLS delivers moderately more torque with 850 Nm compared to 695 Nm. That’s about 155 Nm more.

GLS

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, XPeng G9 is a bit lighter – 2,210 kg compared to 2,550 kg. The difference is around 340 kg.

Looking at boot space, the XPeng G9 offers clearly more boot space – 660 L compared to 355 L. That’s a difference of about 305 L.

When it comes to payload, the Mercedes GLS carries clearly more – 695 kg compared to 520 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The XPeng G9 is clearly superior overall 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 £51,100
G9

XPeng G9

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 351 - 575 HP
  • Consumption kWh/100km : 18.4 - 20.1 kWh/100km
  • Electric Range : 502 - 585 km
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Mercedes GLS
XPeng G9

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Reviews Mercedes GLS

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

XPeng G9

The XPeng G9 feels like a confident leap into the electric SUV world, with sleek, purposeful styling and an interior that mixes modern tech with everyday comfort. On the road it’s calm and composed, serving up effortless pace and hushed refinement that turns long commutes into something you might actually enjoy — a strong pick for buyers who want electric convenience without compromise.

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Reviews XPeng G9

4.6 (3 Reviews)
rate
Rob
1 Jan 2026, 18:43:08

I've seen and driven both cars. The XPeng 9 makes more of an impression. The Zeekr 7x's interior color is limited to black — a real shame! For a nicer contrast you'll have to have it wrapped in a different color. But that's a matter of taste! Otherwise the cars are comparable, noting that the XPeng is a proper SUV while the Zeekr 7x is a crossover.

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

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Mercedes GLS
XPeng G9

Costs and Consumption
Price
96,100 - 208,500 £
Price
51,100 - 62,200 £
Consumption L/100km
7.8 - 13.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.4 - 20.1 kWh/100km
Electric Range
-
Electric Range
502 - 585 km
Battery Capacity
-
Battery Capacity
-
co2
204 - 310 g/km
co2
0 g/km
Fuel tank capacity
90 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
5
Doors
-
Curb weight
2,550 - 2,825 kg
Curb weight
2,210 - 2,395 kg
Trunk capacity
355 L
Trunk capacity
660 L
Length
5,208 - 5,233 mm
Length
-
Width
1,956 mm
Width
1,937 mm
Height
1,782 - 1,838 mm
Height
-
Max trunk capacity
2,400 L
Max trunk capacity
-
Payload
445 - 695 kg
Payload
515 - 520 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
333 - 634 HP
Power HP
351 - 575 HP
Acceleration 0-100km/h
4.2 - 6.7 s
Acceleration 0-100km/h
4.2 - 6.6 s
Max Speed
238 - 280 km/h
Max Speed
-
Torque
500 - 850 Nm
Torque
465 - 695 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
245 - 466 kW
Power kW
258 - 423 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
XPeng
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS 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.