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BYD Seal U vs BMW i4 comparison

Compare performance (324 HP vs 601 HP), boot space and price (34,300 £ vs 49,400 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or BMW i4?

BYD Seal U vs BMW i4: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • significantly cheaper
  • noticeably more efficient
  • only slightly lighter
  • somewhat more trunk space

BMW i4

5 (1 Reviews)
rate
  • considerably more power
  • a bit more electric range
  • significantly quicker 0–100 km/h

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:

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 U is significantly cheaper – starting at 34,300 £ , while the BMW i4 costs 49,400 £ . That’s a price difference of around 15,094 £.

In terms of energy consumption, the BYD Seal U is noticeably more efficient: consuming 12.1 kWh/100km compared to 14.7 kWh/100km for the BMW i4. That’s a difference of about 2.6 kWh/100km.

As for electric range, the BMW i4 offers a bit more range – reaching up to 613 km, about 113 km more than the BYD Seal U.

i4

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 BMW i4 offers considerably more power – delivering 601 HP compared to 324 HP. That’s roughly 277 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is significantly quicker – completing the sprint in 3.7 s, while the BYD Seal U takes 5.9 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the BMW i4 delivers markedly more torque with 795 Nm compared to 550 Nm. That’s about 245 Nm more.

Seal U

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 terms of curb weight, BYD Seal U is only slightly lighter – 1,940 kg compared to 2,070 kg. The difference is around 130 kg.

Looking at boot space, the BYD Seal U offers somewhat more boot space – 552 L compared to 470 L. That’s a difference of about 82 L.

When it comes to payload, the BMW i4 carries moderately more – 480 kg compared to 410 kg. That’s a difference of about 70 kg.

Who wins the race in the data check?

The BMW i4 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 £49,400
i4

BMW i4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 286 - 601 HP
  • Consumption kWh/100km : 14.7 - 16.7 kWh/100km
  • Electric Range : 514 - 613 km
BYD Seal U
BMW i4

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

BMW i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

details
BYD Seal U
BMW i4

Costs and Consumption

Price
34,300 - 39,800 £
Price
49,400 - 62,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Electric Range
70 - 500 km
Electric Range
514 - 613 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
2,070 - 2,285 kg
Trunk capacity
425 - 552 L
Trunk capacity
470 L
Length
4,785 mm
Length
-
Width
1,890 mm
Width
1,852 mm
Height
1,668 mm
Height
-
Max trunk capacity
1,440 L
Max trunk capacity
-
Payload
410 kg
Payload
445 - 480 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
218 - 324 HP
Power HP
286 - 601 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
3.7 - 6 s
Max Speed
175 km/h
Max Speed
-
Torque
300 - 550 Nm
Torque
400 - 795 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
160 - 238 kW
Power kW
210 - 442 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
-

General

Model Year
2,024 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, B
CO2 Efficiency Class
A
Brand
BYD
Brand
BMW
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.