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XPeng G6 vs Rolls-Royce Cullinan comparison

Compare performance (487 HP vs 600 HP), boot space and price (37,400 £ vs 275,400 £ ) at a glance. Find out which car is the better choice for you – XPeng G6 or Rolls-Royce Cullinan?

XPeng G6 vs Rolls-Royce Cullinan: Key differences

XPeng G6

4.5 (7 Reviews)
rate
  • clearly cheaper
  • slightly quicker 0–100 km/h
  • visibly lighter
  • very slightly more trunk space
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Rolls-Royce Cullinan

  • somewhat more power
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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

G6

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 Rolls-Royce Cullinan costs 275,400 £ . That’s a price difference of around 238,029 £.

Cullinan

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 Rolls-Royce Cullinan offers somewhat more power – delivering 600 HP compared to 487 HP. That’s roughly 113 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G6 is slightly quicker – completing the sprint in 4.1 s, while the Rolls-Royce Cullinan takes 4.9 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Rolls-Royce Cullinan delivers clearly more torque with 900 Nm compared to 660 Nm. That’s about 240 Nm more.

G6

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, XPeng G6 is visibly lighter – 2,065 kg compared to 2,660 kg. The difference is around 595 kg.

Looking at boot space, the XPeng G6 offers very slightly more boot space – 571 L compared to 555 L. That’s a difference of about 16 L.

When it comes to payload, the Rolls-Royce Cullinan carries clearly more – 840 kg compared to 475 kg. That’s a difference of about 365 kg.

Who wins the race in the data check?

The XPeng G6 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 £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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Rolls-Royce Cullinan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews XPeng G6

4.5 (7 Reviews)
rate
FAUCONNIER
21 Jun 2026, 08:51:30

Very bad impression of customer service. New car delivered with dashboard errors, dealership unable to fix the problem for 2 months, no response from customer service despite 4 messages... this scares me for what’s to come....

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
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

Rolls-Royce Cullinan

The Cullinan seamlessly combines the hallmark luxury of Rolls-Royce with the rugged versatility of an SUV, making it a true standout in the automotive landscape. Its impeccably crafted interior envelops passengers in a serene atmosphere, complemented by advanced technology and unparalleled comfort. With its commanding presence on the road, the Cullinan redefines what it means to travel in style without compromising on capability.

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Reviews Rolls-Royce Cullinan

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

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Rolls-Royce Cullinan

Costs and Consumption
Price
37,400 - 44,200 £
Price
275,400 - 324,600 £
Consumption L/100km
-
Consumption L/100km
16 - 16.8 L/100km
Consumption kWh/100km
17.3 - 18.4 kWh/100km
Consumption kWh/100km
-
Electric Range
455 - 525 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
363 - 380 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
2,065 - 2,220 kg
Curb weight
2,660 kg
Trunk capacity
571 L
Trunk capacity
555 L
Length
-
Length
-
Width
1,920 mm
Width
2,000 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
470 - 475 kg
Payload
840 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
252 - 487 HP
Power HP
571 - 600 HP
Acceleration 0-100km/h
4.1 - 6.9 s
Acceleration 0-100km/h
4.9 - 5.2 s
Max Speed
-
Max Speed
-
Torque
440 - 660 Nm
Torque
850 - 900 Nm
Number of Cylinders
-
Number of Cylinders
12
Power kW
185 - 358 kW
Power kW
420 - 441 kW
Engine capacity
-
Engine capacity
6,749 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
XPeng
Brand
Rolls-Royce
Is the XPeng G6 offered with different drivetrains?

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.