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BYD Seal U vs Hyundai IONIQ 6 comparison

Compare performance (324 HP vs 650 HP), boot space and price (34,300 £ vs 39,000 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Hyundai IONIQ 6?

BYD Seal U vs Hyundai IONIQ 6: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • a bit cheaper
  • slightly more efficient
  • visibly more trunk space

Hyundai IONIQ 6

4.6 (1 Reviews)
rate
  • considerably more power
  • noticeably more electric range
  • clearly quicker 0–100 km/h
  • marginally lighter

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

Seal U

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Seal U is a bit cheaper – starting at 34,300 £ , while the Hyundai IONIQ 6 costs 39,000 £ . That’s a price difference of around 4,765 £.

In terms of energy consumption, the BYD Seal U is slightly more efficient: consuming 12.1 kWh/100km compared to 13.4 kWh/100km for the Hyundai IONIQ 6. That’s a difference of about 1.3 kWh/100km.

As for electric range, the Hyundai IONIQ 6 offers noticeably more range – reaching up to 680 km, about 180 km more than the BYD Seal U.

IONIQ 6

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Hyundai IONIQ 6 offers considerably more power – delivering 650 HP compared to 324 HP. That’s roughly 326 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 Seal U takes 5.9 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 6 delivers clearly more torque with 770 Nm compared to 550 Nm. That’s about 220 Nm more.

Seal U

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Hyundai IONIQ 6 is marginally lighter – 1,892 kg compared to 1,940 kg. The difference is around 48 kg.

Looking at boot space, the BYD Seal U offers visibly more boot space – 552 L compared to 401 L. That’s a difference of about 151 L.

When it comes to payload, the Hyundai IONIQ 6 carries marginally 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 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 £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
details

Frequently compared as well

BYD Seal U
BYD Sealion 7
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The BYD Seal U brings crossover practicality and a higher driving position for buyers after everyday versatility, while the sleeker BYD Sealion 7 swaps that raised stance for a lower, sportier profile and crisper road manners. Choose the Seal U for family-friendly space and comfort, or the Sealion …
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Toyota RAV4
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BYD Seal U is a sleek, driver‑focused electric newcomer that delivers brisk, silent acceleration, cutting‑edge tech and impressive running‑cost savings — it’s the car that makes you forget what an internal‑combustion soundtrack sounded like. The Toyota RAV4 sticks to its strengths: rugged, roomy …
BYD Seal U
Hyundai IONIQ 6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Seal U

The BYD Seal U pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

details
BYD SEAL U 157
BYD SEAL U 061
BYD SEAL U 079

Reviews BYD Seal U

4.1 (7 Reviews)
rate
Emily
20 Jan 2026, 22:52:34

Broke down at 200 KM

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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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hyundai-ioniq-6-kv-exterior-04_jpg
hyundai-ioniq-6-design-unveil-streamliner-04_jpg
hyundai-ioniq-6-design-unveil-streamliner-02_jpg
hyundai-ioniq-6-kv-interior-01_jpg

Reviews Hyundai IONIQ 6

4.6 (1 Reviews)
rate

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

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Fresh from BYD’s EV revolution, the sleek Seal U brings range, tech and bold styling to spar with the MG HS/EHS — MG’s faithful family crossover offered as a petrol and a plug‑in hybrid that plays the safe, sensible card. Which one gives you the best mix of space, running costs and grin‑per‑mile?
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BYD Seal U
Hyundai IONIQ 6

Costs and Consumption
Price
34,300 - 39,800 £
Price
39,000 - 64,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
13.4 - 15.9 kWh/100km
Electric Range
70 - 500 km
Electric Range
469 - 680 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 71 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,940 - 2,147 kg
Curb weight
1,892 - 2,134 kg
Trunk capacity
425 - 552 L
Trunk capacity
401 L
Length
4,785 mm
Length
-
Width
1,890 mm
Width
1,880 - 1,940 mm
Height
1,668 mm
Height
-
Max trunk capacity
1,440 L
Max trunk capacity
-
Payload
410 kg
Payload
386 - 438 kg

Engine and Performance
Engine Type
Electric, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
218 - 324 HP
Power HP
170 - 650 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
3.2 - 8.3 s
Max Speed
175 km/h
Max Speed
-
Torque
300 - 550 Nm
Torque
350 - 770 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
160 - 238 kW
Power kW
125 - 478 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
-

General
Model Year
2,024 - 2,026
Model Year
2,026
CO2 Efficiency Class
A, B
CO2 Efficiency Class
A
Brand
BYD
Brand
Hyundai
What drivetrain options does the BYD Seal U have?

The BYD Seal U is available as Front-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.