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BYD Sealion 7 vs Hyundai IONIQ 9 comparison

Compare performance (530 HP vs 428 HP), boot space and price (42,800 £ vs 58,700 £ ) at a glance. Find out which car is the better choice for you – BYD Sealion 7 or Hyundai IONIQ 9?

BYD Sealion 7 vs Hyundai IONIQ 9: Key differences

BYD Sealion 7

5 (2 Reviews)
rate
  • clearly cheaper
  • a bit more power
  • moderately quicker 0–100 km/h
  • moderately lighter
  • noticeably more trunk space

Hyundai IONIQ 9

  • somewhat more electric range

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

Sealion 7

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.

BYD Sealion 7 is clearly cheaper – starting at 42,800 £ , while the Hyundai IONIQ 9 costs 58,700 £ . That’s a price difference of around 15,866 £.

When it comes to electricity consumption, both models perform equally – each averaging 19.9 kWh/100km.

As for electric range, the Hyundai IONIQ 9 offers somewhat more range – reaching up to 620 km, about 118 km more than the BYD Sealion 7.

IONIQ 9

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 BYD Sealion 7 offers a bit more power – delivering 530 HP compared to 428 HP. That’s roughly 102 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Sealion 7 is moderately quicker – completing the sprint in 4.5 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 9 delivers marginally more torque with 700 Nm compared to 690 Nm. That’s about 10 Nm more.

Sealion 7

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

In terms of curb weight, BYD Sealion 7 is moderately lighter – 2,225 kg compared to 2,594 kg. The difference is around 369 kg.

Looking at boot space, the BYD Sealion 7 offers noticeably more boot space – 520 L compared to 338 L. That’s a difference of about 182 L.

When it comes to payload, the Hyundai IONIQ 9 carries visibly more – 643 kg compared to 410 kg. That’s a difference of about 233 kg.

Who wins the race in the data check?

The BYD Sealion 7 comes out clearly 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 £42,800
Sealion 7

BYD Sealion 7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 313 - 530 HP
  • Consumption kWh/100km : 19.9 - 21.9 kWh/100km
  • Electric Range : 456 - 502 km
BYD Sealion 7
Hyundai IONIQ 9

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BYD Sealion 7

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

details

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.

details
BYD Sealion 7
Hyundai IONIQ 9

Costs and Consumption

Price
42,800 - 52,300 £
Price
58,700 - 74,400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Electric Range
456 - 502 km
Electric Range
600 - 620 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
5
Seats
7
Doors
-
Doors
-
Curb weight
2,225 - 2,435 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
520 L
Trunk capacity
338 L
Length
-
Length
-
Width
1,925 mm
Width
1,980 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
586 - 643 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
313 - 530 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
4.5 - 6.7 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
-
Max Speed
-
Torque
380 - 690 Nm
Torque
350 - 700 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
230 - 390 kW
Power kW
160 - 315 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2,024
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
Hyundai
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.