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Mercedes GLS vs XPeng G6 comparison

Compare performance (634 HP vs 487 HP), boot space and price (191,300 £ vs 37,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or XPeng G6?

Mercedes GLS vs XPeng G6: Key differences

Mercedes GLS

  • visibly more power
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XPeng G6

5 (3 Reviews)
rate
  • clearly cheaper
  • barely quicker 0–100 km/h
  • clearly lighter
  • visibly more trunk space
details

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

By Achim Sedelmaier

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

GLS

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.

XPeng G6 is clearly cheaper – starting at 37,400 £ , while the Mercedes GLS costs 191,300 £ . That’s a price difference of around 153,889 £.

G6

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLS offers visibly more power – delivering 634 HP compared to 487 HP. That’s roughly 147 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G6 is barely quicker – completing the sprint in 4.1 s, while the Mercedes GLS takes 4.2 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers clearly more torque with 850 Nm compared to 660 Nm. That’s about 190 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.

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

In terms of curb weight, XPeng G6 is clearly lighter – 2,065 kg compared to 2,700 kg. The difference is around 635 kg.

Looking at boot space, the XPeng G6 offers visibly more boot space – 571 L compared to 355 L. That’s a difference of about 216 L.

When it comes to payload, the Mercedes GLS carries visibly more – 695 kg compared to 475 kg. That’s a difference of about 220 kg.

Who wins the race in the data check?

The XPeng G6 holds a decisive overall lead 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 £37,400
G6

XPeng G6

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 252 - 487 HP
  • Consumption kWh/100km : 17.3 - 18.4 kWh/100km
  • Electric Range : 455 - 525 km
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Frequently compared as well

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Mercedes GLS
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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 G6

The XPeng G6 looks like a sleeker, tech-rich alternative to conventional electric SUVs, with an interior that feels modern, airy and purposefully designed for everyday comfort. On the road it’s composed and surprisingly engaging, giving drivers a smart mix of calm refinement and a playful streak — not bad for a car that quietly challenges the usual premium suspects.

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Reviews XPeng G6

5 (3 Reviews)
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Carlos
21 Jan 2026, 18:28:52

The Xpeng G6 strikes me as very convincing when it comes to technology, ultra-fast charging, comfort, and range — definitely worth keeping an eye on.

How do you mainly use this car? (optional): Commuter (short/medium distance)
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 G6

Costs and Consumption
Price
191,300 £
Price
37,400 - 44,200 £
Consumption L/100km
13.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
17.3 - 18.4 kWh/100km
Electric Range
-
Electric Range
455 - 525 km
Battery Capacity
-
Battery Capacity
-
co2
302 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,700 kg
Curb weight
2,065 - 2,220 kg
Trunk capacity
355 L
Trunk capacity
571 L
Length
-
Length
-
Width
1,956 mm
Width
1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
695 kg
Payload
470 - 475 kg

Engine and Performance
Engine Type
Petrol 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
634 HP
Power HP
252 - 487 HP
Acceleration 0-100km/h
4.2 s
Acceleration 0-100km/h
4.1 - 6.9 s
Max Speed
-
Max Speed
-
Torque
850 Nm
Torque
440 - 660 Nm
Number of Cylinders
8
Number of Cylinders
-
Power kW
466 kW
Power kW
185 - 358 kW
Engine capacity
3,982 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
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.