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Mercedes GLS vs XPeng X9 comparison

Compare performance (404 HP vs 503 HP), boot space and price (92,700 £ vs 66,500 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or XPeng X9?

Mercedes GLS vs XPeng X9: Key differences

Mercedes GLS

4.3 (1 Reviews)
rate
  • barely quicker 0–100 km/h
  • barely lighter
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XPeng X9

5 (1 Reviews)
rate
  • clearly cheaper
  • a bit more power
  • considerably more trunk space
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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 X9 is clearly cheaper – starting at 66,500 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 26,148 £.

X9

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 XPeng X9 offers a bit more power – delivering 503 HP compared to 404 HP. That’s roughly 99 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is barely quicker – completing the sprint in 5.6 s, while the XPeng X9 takes 5.9 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers moderately more torque with 750 Nm compared to 640 Nm. That’s about 110 Nm more.

GLS

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.

Both vehicles offer seating for 7 people.

In terms of curb weight, Mercedes GLS is barely lighter – 2,580 kg compared to 2,690 kg. The difference is around 110 kg.

Looking at boot space, the XPeng X9 offers considerably more boot space – 721 L compared to 355 L. That’s a difference of about 366 L.

When it comes to payload, the Mercedes GLS carries visibly more – 820 kg compared to 610 kg. That’s a difference of about 210 kg.

Who wins the race in the data check?

The XPeng X9 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.

from £66,500
X9

XPeng X9

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 320 - 503 HP
  • Consumption kWh/100km 20 - 20.8 kWh/100km
  • Electric Range 535 - 615 km
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Frequently compared as well

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Mercedes GLS
XPeng X9

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.

details
19C0481_004
19C0481_007
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18C1072_111

Reviews Mercedes GLS

4.3 (1 Reviews)
rate

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

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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IMG_3958
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Reviews XPeng X9

5 (1 Reviews)
rate

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

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Mercedes GLS
XPeng X9

Costs and Consumption
Price
92,700 - 104,600 £
Price
66,500 - 74,200 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
20 - 20.8 kWh/100km
Electric Range
-
Electric Range
535 - 615 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
MPV
Seats
7
Seats
7
Doors
-
Doors
-
Curb weight
2,580 - 2,670 kg
Curb weight
2,690 - 2,750 kg
Trunk capacity
355 L
Trunk capacity
721 L
Length
-
Length
-
Width
1,956 mm
Width
1,988 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
575 - 610 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
Front-Wheel Drive, All-Wheel Drive
Power HP
336 - 404 HP
Power HP
320 - 503 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
5.9 - 8.2 s
Max Speed
-
Max Speed
-
Torque
560 - 750 Nm
Torque
450 - 640 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
247 - 297 kW
Power kW
235 - 370 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2026
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.