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Hyundai IONIQ 6 vs BYD Sealion 7 comparison

Compare performance (650 HP vs 530 HP), boot space and price (39000 £ vs 42800 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 6 or BYD Sealion 7?

Hyundai IONIQ 6 vs BYD Sealion 7: Key differences

Hyundai IONIQ 6

4.6 (1 Reviews)
rate
  • barely noticeable cheaper
  • a bit more power
  • decisively more efficient
  • clearly perceptible more electric range
  • decisively quicker from 0–100 km/h
  • a bit lighter

BYD Sealion 7

5 (2 Reviews)
rate
  • clearly perceptible more trunk space

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

IONIQ 6

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.

Hyundai IONIQ 6 has a barely noticeable advantage in terms of price – it starts at 39000 £ , while the BYD Sealion 7 costs 42800 £ . That’s a price difference of around 3806 £.

In terms of energy consumption, the advantage goes to the Hyundai IONIQ 6: with 13.40 kWh per 100 km, it’s decisively more efficient than the BYD Sealion 7 with 19.90 kWh. That’s a difference of about 6.50 kWh.

As for electric range, the Hyundai IONIQ 6 performs clearly perceptible better – achieving up to 680 km, about 178 km more than the BYD Sealion 7.

Sealion 7

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 Hyundai IONIQ 6 has a a bit edge – offering 650 HP compared to 530 HP. That’s roughly 120 HP more horsepower.

In acceleration from 0 to 100 km/h, the Hyundai IONIQ 6 is decisively quicker – completing the sprint in 3.20 s, while the BYD Sealion 7 takes 4.50 s. That’s about 1.30 s faster.

There’s also a difference in torque: Hyundai IONIQ 6 pulls slightly stronger with 770 Nm compared to 690 Nm. That’s about 80 Nm difference.

IONIQ 6

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.

Both vehicles offer seating for 5 people.

In curb weight, Hyundai IONIQ 6 is a bit lighter – 1892 kg compared to 2225 kg. The difference is around 333 kg.

In terms of boot space, the BYD Sealion 7 offers clearly perceptible more room – 520 L compared to 401 L. That’s a difference of about 119 L.

When it comes to payload, Hyundai IONIQ 6 minimal takes the win – 438 kg compared to 410 kg. That’s a difference of about 28 kg.

Who wins the race in the data check?

The Hyundai IONIQ 6 sits 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.

Frequently compared as well

BYD Seal U
BYD Sealion 7
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Hyundai IONIQ 6
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £39,000
IONIQ 6

Hyundai IONIQ 6

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 170 - 650 HP
  • Consumption kWh/100km : 13.4 - 15.9 kWh
  • Electric Range : 469 - 680 km
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Hyundai IONIQ 6

4.6 (1 Reviews)
rate

The Hyundai IONIQ 6 glides down the road with a poise that feels more runway model than commuter car, its sleek silhouette promising efficiency without trying too hard. Inside, a calm, minimalist cabin packed with clever, usable tech makes it a compelling choice for buyers who want electric motoring that's smart, stylish and quietly practical.

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hyundai-ioniq-6-design-unveil-streamliner-04_jpg
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BYD Sealion 7

5 (2 Reviews)
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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.

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Reviews Hyundai IONIQ 6

4.6 (1 Reviews)
rate

Reviews BYD Sealion 7

5 (2 Reviews)
rate
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

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
Hyundai IONIQ 6
BYD Sealion 7

Costs and Consumption
Price
39000 - 64300 £
Price
42800 - 52300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.4 - 15.9 kWh
Consumption kWh/100km
19.9 - 21.9 kWh
Electric Range
469 - 680 km
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1892 - 2134 kg
Curb weight
2225 - 2435 kg
Trunk capacity
401 L
Trunk capacity
520 L
Length
-
Length
-
Width
1880 - 1940 mm
Width
1925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
386 - 438 kg
Payload
410 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
170 - 650 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.2 - 8.3 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
350 - 770 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
125 - 478 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Hyundai
Brand
BYD

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What drive types are available for the Hyundai IONIQ 6?

Available configurations include All-Wheel Drive or Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.