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Hyundai IONIQ 9 vs XPeng G9 comparison

Compare performance (428 HP vs 575 HP), boot space and price (59,900 £ vs 51,100 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 9 or XPeng G9?

Hyundai IONIQ 9 vs XPeng G9: Key differences

Hyundai IONIQ 9

  • barely more electric range
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XPeng G9

4.8 (6 Reviews)
rate
  • moderately cheaper
  • clearly more power
  • very slightly more efficient
  • noticeably quicker 0–100 km/h
  • moderately lighter
  • considerably more trunk space
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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

IONIQ 9

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

XPeng G9 is moderately cheaper – starting at 51,100 £ , while the Hyundai IONIQ 9 costs 59,900 £ . That’s a price difference of around 8,786 £.

In terms of energy consumption, the XPeng G9 is very slightly more efficient: consuming 18.4 kWh/100km compared to 19.9 kWh/100km for the Hyundai IONIQ 9. That’s a difference of about 1.5 kWh/100km.

As for electric range, the Hyundai IONIQ 9 offers barely more range – reaching up to 620 km, about 35 km more than the XPeng G9.

G9

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 G9 offers clearly more power – delivering 575 HP compared to 428 HP. That’s roughly 147 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G9 is noticeably quicker – completing the sprint in 4.2 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 1 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 9 delivers very slightly more torque with 700 Nm compared to 695 Nm. That’s about 5 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.

Seats: Hyundai IONIQ 9 offers more seats – 7 vs 5.

In terms of curb weight, XPeng G9 is moderately lighter – 2,210 kg compared to 2,594 kg. The difference is around 384 kg.

Looking at boot space, the XPeng G9 offers considerably more boot space – 660 L compared to 338 L. That’s a difference of about 322 L.

When it comes to payload, the Hyundai IONIQ 9 carries slightly more – 643 kg compared to 520 kg. That’s a difference of about 123 kg.

Who wins the race in the data check?

The XPeng G9 stands well ahead of its rival 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 £51,100
G9

XPeng G9

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 351 - 575 HP
  • Consumption kWh/100km 18.4 - 20.1 kWh/100km
  • Electric Range 502 - 585 km
Hyundai IONIQ 9
XPeng G9

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Hyundai IONIQ 9

The Hyundai IONIQ 9 is a bold step forward in the automotive world, combining cutting-edge electric technology with a sleek and modern design. This model stands out with its spacious interior and advanced features, ensuring both comfort and convenience for drivers and passengers alike. As Hyundai pushes the envelope in eco-friendly innovation, the IONIQ 9 represents the future of sustainable driving with its impressive range and performance capabilities.

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XPeng G9

The XPeng G9 is a spacious, tech-forward electric SUV that pairs a calm, refined ride with responsive performance and a high-quality, minimalist cabin. With strong emphasis on connectivity and advanced driving assistance, it’s a compelling choice if you want modern EV features and generous practicality without a legacy badge.

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Hyundai IONIQ 9
XPeng G9

Costs and Consumption

Price
59,900 - 75,500 £
Price
51,100 - 62,200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Consumption kWh/100km
18.4 - 20.1 kWh/100km
Electric Range
600 - 620 km
Electric Range
502 - 585 km
Battery Capacity
-
Battery Capacity
-
co2
0 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
2,594 - 2,689 kg
Curb weight
2,210 - 2,395 kg
Trunk capacity
338 L
Trunk capacity
660 L
Length
-
Length
-
Width
1,980 mm
Width
1,937 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
586 - 643 kg
Payload
515 - 520 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
218 - 428 HP
Power HP
351 - 575 HP
Acceleration 0-100km/h
5.2 - 9.4 s
Acceleration 0-100km/h
4.2 - 6.6 s
Max Speed
-
Max Speed
-
Torque
350 - 700 Nm
Torque
465 - 695 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
160 - 315 kW
Power kW
258 - 423 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Hyundai
Brand
XPeng
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.