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BMW 3 Series Saloon vs BYD Seal U comparison

Compare performance (530 HP vs 324 HP), boot space and price (39,900 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – BMW 3 Series Saloon or BYD Seal U?

BMW 3 Series Saloon vs BYD Seal U: Key differences

BMW 3 Series Saloon

  • markedly more power
  • substantially quicker 0–100 km/h
  • noticeably lighter
details

BYD Seal U

4.1 (7 Reviews)
rate
  • slightly cheaper
  • significantly more electric range
  • a bit 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

3 Series Saloon

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BYD Seal U is slightly cheaper – starting at 34,300 £ , while the BMW 3 Series Saloon costs 39,900 £ . That’s a price difference of around 5,665 £.

As for electric range, the BYD Seal U offers significantly more range – reaching up to 500 km, about 399 km more than the BMW 3 Series Saloon.

Seal U

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BMW 3 Series Saloon offers markedly 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 3 Series Saloon 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 3 Series Saloon delivers visibly more torque with 700 Nm compared to 550 Nm. That’s about 150 Nm more.

3 Series Saloon

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, BMW 3 Series Saloon is noticeably lighter – 1,575 kg compared to 1,940 kg. The difference is around 365 kg.

Looking at boot space, the BYD Seal U offers a bit more boot space – 552 L compared to 480 L. That’s a difference of about 72 L.

When it comes to payload, the BMW 3 Series Saloon carries moderately more – 495 kg compared to 410 kg. That’s a difference of about 85 kg.

Who wins the race in the data check?

The BMW 3 Series Saloon stands 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.

from £39,900
3 Series Saloon

BMW 3 Series Saloon

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic, Manuel
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 150 - 530 HP
  • Consumption L/100km : 2.4 - 10.1 L/100km
  • Electric Range : 96 - 101 km
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Frequently compared as well

BYD Seal U
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BMW 3 Series Saloon
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 3 Series Saloon

The BMW 3 Series saloon is a driver's car in a suit, blending poised handling with a cabin that feels more premium than its practicality suggests. It’s composed enough for daily duties yet playful enough to keep weekend drives interesting, making it a sensible choice for buyers who still want to have fun.

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Reviews BMW 3 Series Saloon

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

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.

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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

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BMW 3 Series Saloon
BYD Seal U

Costs and Consumption
Price
39,900 - 92,200 £
Price
34,300 - 39,800 £
Consumption L/100km
2.4 - 10.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
96 - 101 km
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
54 - 227 g/km
co2
0 - 71 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,575 - 1,960 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
375 - 480 L
Trunk capacity
425 - 552 L
Length
-
Length
-
Width
1,827 - 1,903 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
405 - 495 kg
Payload
410 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
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
150 - 530 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.5 - 8.6 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
-
Max Speed
-
Torque
250 - 700 Nm
Torque
300 - 550 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 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, B
CO2 Efficiency Class
A, B
Brand
BMW
Brand
BYD
Is the BMW 3 Series Saloon offered with different drivetrains?

The BMW 3 Series Saloon is available as 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.