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Hyundai IONIQ 6 vs BYD Sealion 7 comparison

Compare performance (650 HP vs 530 HP), boot space and price (39,000 £ vs 42,800 £ ) 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
  • only slightly cheaper
  • slightly more power
  • considerably more efficient
  • clearly more electric range
  • clearly quicker 0–100 km/h
  • moderately lighter
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BYD Sealion 7

5 (2 Reviews)
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  • noticeably 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 6

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Hyundai IONIQ 6 is only slightly cheaper – starting at 39,000 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 3,806 £.

In terms of energy consumption, the Hyundai IONIQ 6 is considerably more efficient: consuming 13.4 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 6.5 kWh/100km.

As for electric range, the Hyundai IONIQ 6 offers clearly more range – reaching 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 offers slightly more power – delivering 650 HP compared to 530 HP. That’s roughly 120 HP more horsepower.

When accelerating from 0 to 100 km/h, the Hyundai IONIQ 6 is clearly quicker – completing the sprint in 3.2 s, while the BYD Sealion 7 takes 4.5 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 6 delivers a bit more torque with 770 Nm compared to 690 Nm. That’s about 80 Nm more.

IONIQ 6

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Hyundai IONIQ 6 is moderately lighter – 1,892 kg compared to 2,225 kg. The difference is around 333 kg.

Looking at boot space, the BYD Sealion 7 offers noticeably more boot space – 520 L compared to 401 L. That’s a difference of about 119 L.

When it comes to payload, the Hyundai IONIQ 6 carries barely more – 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 is far ahead overall 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 £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/100km
  • Electric Range : 469 - 680 km
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Frequently compared as well

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The BYD Sealion 7 plays the value card with clever packaging, generous range claims and soft-riding manners, while the ZEEKR 7X feels like the sharper, tech-forward alternative that’s happier chasing pace and premium detailing. If you want an everyday EV that stretches your money on range and …
Hyundai IONIQ 6
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai IONIQ 6

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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Reviews Hyundai IONIQ 6

4.6 (1 Reviews)
rate

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

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.

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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

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Hyundai IONIQ 6
BYD Sealion 7

Costs and Consumption
Price
39,000 - 64,300 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.4 - 15.9 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
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
1,892 - 2,134 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
401 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,880 - 1,940 mm
Width
1,925 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
What drive types are available for the Hyundai IONIQ 6?

The Hyundai IONIQ 6 is available as All-Wheel Drive or Rear-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.