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BMW 4 Series Coupe vs BYD Seal U comparison

Compare performance (530 HP vs 324 HP), boot space and price (46,200 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Coupe or BYD Seal U?

BMW 4 Series Coupe vs BYD Seal U: Key differences

BMW 4 Series Coupe

5 (1 Reviews)
rate
  • noticeably more power
  • substantially quicker 0–100 km/h
  • clearly lighter
details

BYD Seal U

4.2 (10 Reviews)
rate
  • clearly cheaper
  • clearly more trunk space
details

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

4 Series Coupe

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 clearly cheaper – starting at 34,300 £ , while the BMW 4 Series Coupe costs 46,200 £ . That’s a price difference of around 11,923 £.

Seal U

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 4 Series Coupe offers noticeably more power – delivering 530 HP compared to 324 HP. That’s roughly 206 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Coupe is substantially quicker – completing the sprint in 3.5 s, while the BYD Seal U takes 5.9 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the BMW 4 Series Coupe delivers markedly more torque with 700 Nm compared to 550 Nm. That’s about 150 Nm more.

4 Series Coupe

Space and Everyday Use:

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

Seats: BYD Seal U offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Coupe is clearly lighter – 1,600 kg compared to 1,940 kg. The difference is around 340 kg.

Looking at boot space, the BYD Seal U offers clearly more boot space – 552 L compared to 440 L. That’s a difference of about 112 L.

When it comes to payload, the BMW 4 Series Coupe carries marginally more – 415 kg compared to 410 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BMW 4 Series Coupe holds a decisive overall lead 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 £46,200
4 Series Coupe

BMW 4 Series Coupe

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 184 - 530 HP
  • Consumption L/100km 4.8 - 10 L/100km
details

Frequently compared as well

BYD Seal U
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BMW 4 Series Coupe
BYD Seal U

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Coupe

The BMW 4 Series Coupe blends aggressive styling with a driver-focused cabin, making even the humdrum commute feel like a short track day. It balances sharp handling and grown-up comfort with a dash of theatrical flair, so you get sportscar charisma without the drama of constant sacrifices.

details
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Reviews BMW 4 Series Coupe

5 (1 Reviews)
rate
Shomguy
20 Jan 2026, 13:24:39

BMW is the best

How do you mainly use this car? (optional): Family car
Safety

BYD Seal U

The BYD Seal U is a sleek electric fastback that blends sporty styling with a roomy, tech-focused interior, making it an appealing choice for buyers who want electric performance without sacrificing comfort. It delivers a smooth, composed ride and intuitive features, positioning it as a practical yet modern option in the EV market.

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

Reviews BYD Seal U

4.2 (10 Reviews)
rate
Tomi
17 Jun 2026, 18:32:35

Great value for money.
Some small software bugs like any car nowdays.

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
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

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BYD Seal
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BMW 4 Series Coupe
BYD Seal U

Costs and Consumption
Price
46,200 - 93,900 £
Price
34,300 - 39,800 £
Consumption L/100km
4.8 - 10 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
-
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 226 g/km
co2
0 - 71 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,600 - 1,895 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
440 L
Trunk capacity
425 - 552 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
355 - 415 kg
Payload
410 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
184 - 530 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
300 - 550 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
160 - 238 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,497 - 1,498 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
D, E, F, G
CO2 Efficiency Class
A, B
Brand
BMW
Brand
BYD
What drive types are available for the BMW 4 Series Coupe?

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.