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Hyundai IONIQ 9 vs BYD Tang comparison

Compare performance (428 HP vs 517 HP), boot space and price (59,900 £ vs 64,300 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 9 or BYD Tang?

Hyundai IONIQ 9 vs BYD Tang: Key differences

Hyundai IONIQ 9

  • barely cheaper
  • noticeably more efficient
  • somewhat more electric range
  • very slightly lighter
  • noticeably more trunk space
details

BYD Tang

  • moderately more power
  • marginally quicker 0–100 km/h
details

By Achim Sedelmaier

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

IONIQ 9

Costs and Efficiency:

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

Hyundai IONIQ 9 is barely cheaper – starting at 59,900 £ , while the BYD Tang costs 64,300 £ . That’s a price difference of around 4,414 £.

In terms of energy consumption, the Hyundai IONIQ 9 is noticeably more efficient: consuming 19.9 kWh/100km compared to 24 kWh/100km for the BYD Tang. That’s a difference of about 4.1 kWh/100km.

As for electric range, the Hyundai IONIQ 9 offers somewhat more range – reaching up to 620 km, about 90 km more than the BYD Tang.

Tang

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 Tang offers moderately more power – delivering 517 HP compared to 428 HP. That’s roughly 89 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Tang is marginally quicker – completing the sprint in 4.9 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 9 delivers only slightly more torque with 700 Nm compared to 680 Nm. That’s about 20 Nm more.

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 7 people.

In terms of curb weight, Hyundai IONIQ 9 is very slightly lighter – 2,594 kg compared to 2,630 kg. The difference is around 36 kg.

Looking at boot space, the Hyundai IONIQ 9 offers noticeably more boot space – 338 L compared to 235 L. That’s a difference of about 103 L.

When it comes to payload, the Hyundai IONIQ 9 carries slightly more – 643 kg compared to 575 kg. That’s a difference of about 68 kg.

Who wins the race in the data check?

The Hyundai IONIQ 9 leads convincingly 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 £59,900
IONIQ 9

Hyundai IONIQ 9

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 218 - 428 HP
  • Consumption kWh/100km 19.9 - 20.6 kWh/100km
  • Electric Range 600 - 620 km
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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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Reviews Hyundai IONIQ 9

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BYD Tang

The BYD Tang is a bold, tech-loaded SUV that blends striking design with roomy practicality, making it equally at home on the school run and the open road. Packed with clever tech and a powertrain that mixes efficiency with eager performance, it’s a smart, value-focused pick for buyers who want electric-age comfort without the premium-brand fuss.

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Reviews BYD Tang

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Hyundai IONIQ 9
BYD Tang

Costs and Consumption
Price
59,900 - 75,500 £
Price
64,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Consumption kWh/100km
24 kWh/100km
Electric Range
600 - 620 km
Electric Range
530 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
7
Doors
-
Doors
-
Curb weight
2,594 - 2,689 kg
Curb weight
2,630 kg
Trunk capacity
338 L
Trunk capacity
235 L
Length
-
Length
-
Width
1,980 mm
Width
1,955 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
586 - 643 kg
Payload
575 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
218 - 428 HP
Power HP
517 HP
Acceleration 0-100km/h
5.2 - 9.4 s
Acceleration 0-100km/h
4.9 s
Max Speed
-
Max Speed
-
Torque
350 - 700 Nm
Torque
680 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
160 - 315 kW
Power kW
380 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Hyundai
Brand
BYD
What drivetrain options does the Hyundai IONIQ 9 have?

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.