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Mercedes GLB vs XPeng G6 comparison

Compare performance (354 HP vs 487 HP), boot space and price (43,200 £ vs 37,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or XPeng G6?

Mercedes GLB vs XPeng G6: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • somewhat more efficient
  • moderately more electric range
  • slightly lighter
details

XPeng G6

4.7 (6 Reviews)
rate
  • moderately cheaper
  • noticeably more power
  • noticeably quicker 0–100 km/h
  • barely 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

GLB

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 moderately cheaper – starting at 37,400 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 5,826 £.

In terms of energy consumption, the Mercedes GLB is somewhat more efficient: consuming 15.4 kWh/100km compared to 17.3 kWh/100km for the XPeng G6. That’s a difference of about 1.9 kWh/100km.

As for electric range, the Mercedes GLB offers moderately more range – reaching up to 631 km, about 106 km more than the XPeng G6.

G6

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 G6 offers noticeably more power – delivering 487 HP compared to 354 HP. That’s roughly 133 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G6 is noticeably quicker – completing the sprint in 4.1 s, while the Mercedes GLB takes 5.5 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the XPeng G6 delivers visibly more torque with 660 Nm compared to 515 Nm. That’s about 145 Nm more.

GLB

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLB is slightly lighter – 1,840 kg compared to 2,065 kg. The difference is around 225 kg.

Looking at boot space, the XPeng G6 offers barely more boot space – 571 L compared to 540 L. That’s a difference of about 31 L.

When it comes to payload, the Mercedes GLB carries very slightly more – 505 kg compared to 475 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The XPeng G6 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 £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
details

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Mercedes GLB
XPeng G6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

XPeng G6

The XPeng G6 is a sleek, tech-focused electric crossover that pairs modern styling with a spacious, comfortable cabin. It delivers a refined, engaging driving experience and comes loaded with advanced driver-assistance and infotainment features that make it feel like a smarter, more connected car.

details
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Reviews XPeng G6

4.7 (6 Reviews)
rate
Micha
26 May 2026, 12:50:42

After intensive test drives I ultimately went with the G6P and have never regretted it.

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
Manijak
6 May 2026, 09:37:03

The Sealion is better finished and of higher quality. But it has higher consumption and charges noticeably slower.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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 GLB
XPeng G6

Costs and Consumption
Price
43,200 - 62,400 £
Price
37,400 - 44,200 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
17.3 - 18.4 kWh/100km
Electric Range
431 - 631 km
Electric Range
455 - 525 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
2,065 - 2,220 kg
Trunk capacity
540 L
Trunk capacity
571 L
Length
-
Length
-
Width
1,861 mm
Width
1,920 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
470 - 475 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
252 - 487 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
4.1 - 6.9 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
440 - 660 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
185 - 358 kW
Engine capacity
1,499 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
XPeng
What drive types are available for the Mercedes GLB?

Available configurations include Rear-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.