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BYD Seal U vs BMW 3 Series Saloon comparison

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

BYD Seal U vs BMW 3 Series Saloon: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • moderately cheaper
  • substantially more electric range
  • somewhat more trunk space

BMW 3 Series Saloon

  • noticeably more power
  • substantially quicker 0–100 km/h
  • visibly 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:

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 moderately 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 substantially more range – reaching up to 500 km, about 399 km more than the BMW 3 Series Saloon.

3 Series Saloon

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 3 Series Saloon 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 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.

Looking at top speed, the BMW 3 Series Saloon is markedly faster – reaching 250 km/h, while the BYD Seal U tops out at 175 km/h. The difference is around 75 km/h.

There’s also a difference in torque: the BMW 3 Series Saloon delivers markedly more torque with 700 Nm compared to 550 Nm. That’s about 150 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, BMW 3 Series Saloon is visibly lighter – 1,575 kg compared to 1,940 kg. The difference is around 365 kg.

Looking at boot space, the BYD Seal U offers somewhat 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 somewhat 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 is clearly superior 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 £39,900
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
details

Frequently compared as well

BYD Seal U
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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
BMW 3 Series Saloon

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

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.

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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
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The BYD Seal U trades the low-slung, swoopy charm of the BYD Seal for a taller, more practical shape — think crossover comfort, easier loading and a higher driving position without giving up the EV's brisk acceleration. If you want sportier looks and the slickest aero for maximum range, choose the …
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BYD Seal U
BMW 3 Series Saloon

Costs and Consumption
Price
34,300 - 39,800 £
Price
39,900 - 91,000 £
Consumption L/100km
-
Consumption L/100km
2.4 - 10.1 L/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
-
Electric Range
70 - 500 km
Electric Range
96 - 101 km
Battery Capacity
-
Battery Capacity
19.5 kWh
co2
0 - 71 g/km
co2
54 - 227 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 59 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
1,940 - 2,147 kg
Curb weight
1,575 - 1,960 kg
Trunk capacity
425 - 552 L
Trunk capacity
375 - 480 L
Length
4,785 mm
Length
4,713 mm
Width
1,890 mm
Width
1,827 - 1,903 mm
Height
1,668 mm
Height
1,440 - 1,446 mm
Max trunk capacity
1,440 L
Max trunk capacity
-
Payload
410 kg
Payload
405 - 495 kg

Engine and Performance
Engine Type
Electric, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox, Manual Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
218 - 324 HP
Power HP
150 - 530 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
3.5 - 8.6 s
Max Speed
175 km/h
Max Speed
218 - 250 km/h
Torque
300 - 550 Nm
Torque
250 - 700 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
160 - 238 kW
Power kW
110 - 390 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,995 - 2,998 cm3

General
Model Year
2,024 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, B
CO2 Efficiency Class
D, E, F, G, B
Brand
BYD
Brand
BMW
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.