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XPeng G6 vs Cadillac OPTIQ comparison

Compare performance (487 HP vs 304 HP), boot space and price (37,400 £ vs 55,700 £ ) at a glance. Find out which car is the better choice for you – XPeng G6 or Cadillac OPTIQ?

XPeng G6 vs Cadillac OPTIQ: Key differences

XPeng G6

5 (3 Reviews)
rate
  • substantially cheaper
  • clearly more power
  • moderately more efficient
  • slightly more electric range
  • clearly quicker 0–100 km/h
  • moderately lighter
  • markedly more trunk space

Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

G6

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

XPeng G6 is substantially cheaper – starting at 37,400 £ , while the Cadillac OPTIQ costs 55,700 £ . That’s a price difference of around 18,343 £.

In terms of energy consumption, the XPeng G6 is moderately more efficient: consuming 17.3 kWh/100km compared to 19.9 kWh/100km for the Cadillac OPTIQ. That’s a difference of about 2.6 kWh/100km.

As for electric range, the XPeng G6 offers slightly more range – reaching up to 525 km, about 100 km more than the Cadillac OPTIQ.

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 XPeng G6 offers clearly more power – delivering 487 HP compared to 304 HP. That’s roughly 183 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G6 is clearly quicker – completing the sprint in 4.1 s, while the Cadillac OPTIQ takes 6.3 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the XPeng G6 delivers noticeably more torque with 660 Nm compared to 480 Nm. That’s about 180 Nm more.

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, XPeng G6 is moderately lighter – 2,065 kg compared to 2,376 kg. The difference is around 311 kg.

Looking at boot space, the XPeng G6 offers markedly more boot space – 571 L compared to 443 L. That’s a difference of about 128 L.

When it comes to payload, the Cadillac OPTIQ carries marginally more – 524 kg compared to 475 kg. That’s a difference of about 49 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

XPeng G6
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XPeng G6
Cadillac OPTIQ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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)
rate
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

Cadillac OPTIQ

The Cadillac Optiq is a chic, compact electric SUV that brings the brand’s bold styling, hushed refinement, and confident punch to a more attainable size. With a calm, composed ride, a tech-rich cabin, and the brand’s signature light show outside, it feels like an urban-friendly gateway to true American luxury without losing the drama or the practicality buyers need.

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Reviews Cadillac OPTIQ

3.7 (1 Reviews)
rate

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

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Cadillac OPTIQ

Costs and Consumption
Price
37,400 - 44,200 £
Price
55,700 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
17.3 - 18.4 kWh/100km
Consumption kWh/100km
19.9 kWh/100km
Electric Range
455 - 525 km
Electric Range
425 km
Battery Capacity
-
Battery Capacity
75 kWh
co2
0 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
5
Curb weight
2,065 - 2,220 kg
Curb weight
2,376 kg
Trunk capacity
571 L
Trunk capacity
443 L
Length
-
Length
4,820 mm
Width
1,920 mm
Width
1,912 mm
Height
-
Height
1,643 mm
Max trunk capacity
-
Max trunk capacity
1,340 L
Payload
470 - 475 kg
Payload
524 kg

Engine and Performance
Engine Type
Electric
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
All-Wheel Drive
Power HP
252 - 487 HP
Power HP
304 HP
Acceleration 0-100km/h
4.1 - 6.9 s
Acceleration 0-100km/h
6.3 s
Max Speed
-
Max Speed
184 km/h
Torque
440 - 660 Nm
Torque
480 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
185 - 358 kW
Power kW
224 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,025
Model Year
2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
XPeng
Brand
Cadillac
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.