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BMW 7 Series vs BYD Seal U comparison

Compare performance (571 HP vs 324 HP), boot space and price (102,800 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – BMW 7 Series or BYD Seal U?

BMW 7 Series vs BYD Seal U: Key differences

BMW 7 Series

  • substantially more power
  • noticeably quicker 0–100 km/h
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BYD Seal U

4.1 (7 Reviews)
rate
  • substantially cheaper
  • considerably more electric range
  • a bit lighter
  • only slightly more trunk space
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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

7 Series

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 substantially cheaper – starting at 34,300 £ , while the BMW 7 Series costs 102,800 £ . That’s a price difference of around 68,494 £.

As for electric range, the BYD Seal U offers considerably more range – reaching up to 500 km, about 420 km more than the BMW 7 Series.

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 7 Series offers substantially more power – delivering 571 HP compared to 324 HP. That’s roughly 247 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 7 Series is noticeably quicker – completing the sprint in 4.3 s, while the BYD Seal U takes 5.9 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the BMW 7 Series delivers visibly more torque with 800 Nm compared to 550 Nm. That’s about 250 Nm more.

7 Series

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, BYD Seal U is a bit lighter – 1,940 kg compared to 2,255 kg. The difference is around 315 kg.

Looking at boot space, the BYD Seal U offers only slightly more boot space – 552 L compared to 540 L. That’s a difference of about 12 L.

When it comes to payload, the BMW 7 Series carries markedly more – 665 kg compared to 410 kg. That’s a difference of about 255 kg.

Who wins the race in the data check?

The BYD Seal U 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 £34,300
Seal U

BYD Seal U

  • Engine Type Electric, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 218 - 324 HP
  • Consumption kWh/100km 12.1 - 20.5 kWh/100km
  • Electric Range 70 - 500 km
BMW 7 Series
BYD Seal U

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 7 Series

The BMW 7 Series is a flagship that balances whisper-quiet luxury with a driver's focus, wrapping advanced tech and plush comfort in a sleek, authoritative presence. It’s the kind of car that navigates city traffic and open roads with equal poise, offering a grown-up alternative for buyers who demand refinement without losing a little driving fun.

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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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BMW 7 Series
BYD Seal U

Costs and Consumption

Price
102,800 - 128,700 £
Price
34,300 - 39,800 £
Consumption L/100km
3.3 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
80 km
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
74 - 160 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
2,255 - 2,525 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
525 - 540 L
Trunk capacity
425 - 552 L
Length
-
Length
-
Width
1,950 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
605 - 665 kg
Payload
410 kg

Engine and Performance

Engine Type
Diesel MHEV, Plugin Hybrid
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
300 - 571 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
4.3 - 5.8 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
-
Max Speed
-
Torque
670 - 800 Nm
Torque
300 - 550 Nm
Number of Cylinders
6
Number of Cylinders
4
Power kW
220 - 420 kW
Power kW
160 - 238 kW
Engine capacity
2,993 - 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
F, B
CO2 Efficiency Class
A, B
Brand
BMW
Brand
BYD
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.