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BYD Seal vs Hyundai IONIQ 9 comparison

Compare performance (530 HP vs 428 HP), boot space and price (40,300 £ vs 58,700 £ ) at a glance. Find out which car is the better choice for you – BYD Seal or Hyundai IONIQ 9?

BYD Seal vs Hyundai IONIQ 9: Key differences

BYD Seal

  • clearly cheaper
  • somewhat more power
  • markedly more efficient
  • visibly quicker 0–100 km/h
  • visibly lighter
  • slightly more trunk space

Hyundai IONIQ 9

  • only slightly more electric range

Here’s where it gets real: The technical differences in detail

Seal

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 Seal is clearly cheaper – starting at 40,300 £ , while the Hyundai IONIQ 9 costs 58,700 £ . That’s a price difference of around 18,437 £.

In terms of energy consumption, the BYD Seal is markedly more efficient: consuming 15.4 kWh/100km compared to 19.9 kWh/100km for the Hyundai IONIQ 9. That’s a difference of about 4.5 kWh/100km.

As for electric range, the Hyundai IONIQ 9 offers only slightly more range – reaching up to 620 km, about 50 km more than the BYD Seal.

IONIQ 9

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BYD Seal offers somewhat 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 Seal is visibly quicker – completing the sprint in 3.8 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 9 delivers only slightly more torque with 700 Nm compared to 670 Nm. That’s about 30 Nm more.

Seal

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 Seal is visibly lighter – 1,907 kg compared to 2,594 kg. The difference is around 687 kg.

Looking at boot space, the BYD Seal offers slightly more boot space – 400 L compared to 338 L. That’s a difference of about 62 L.

When it comes to payload, the Hyundai IONIQ 9 carries noticeably more – 643 kg compared to 473 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The BYD Seal 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 £40,300
Seal

BYD Seal

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 231 - 530 HP
  • Consumption kWh/100km : 15.4 - 18.2 kWh/100km
  • Electric Range : 460 - 570 km
details

Frequently compared as well

BYD Seal
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Hyundai IONIQ 9

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Seal

The BYD Seal is a sleek electric fastback that punches above its class with sporty looks and a surprisingly premium cabin, offering a very modern alternative for buyers who want style and substance without the badge snobbery. On the road it feels composed and eager, packed with tech and everyday practicality—ideal for shoppers after eco-friendly performance with a cheeky wink.

details
E39C85E9-48DC-4818-A3E7-3F02C3DB2C91
8CF01411-B14A-410A-AA11-F9D5B2E2275B
A96F2FC6-6F90-4820-9B66-B5BED237CAFF
56EE1144-A336-4202-B4CC-B68903013A42
03694851-BE3F-404A-85F8-4557ADB00247

Reviews BYD Seal

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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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Reviews Hyundai IONIQ 9

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

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Hyundai IONIQ 9

Costs and Consumption
Price
40,300 - 45,400 £
Price
58,700 - 74,400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.4 - 18.2 kWh/100km
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Electric Range
460 - 570 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
Sedan
Body Type
SUV
Seats
5
Seats
7
Doors
4
Doors
-
Curb weight
1,907 - 2,185 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
400 L
Trunk capacity
338 L
Length
4,800 mm
Length
-
Width
1,875 mm
Width
1,980 mm
Height
1,460 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
446 - 473 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
231 - 530 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
3.8 - 7.5 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
180 km/h
Max Speed
-
Torque
360 - 670 Nm
Torque
350 - 700 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
170 - 390 kW
Power kW
160 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023 - 2,025
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
Hyundai
Is the BYD Seal offered with different drivetrains?

The BYD Seal is offered with 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.