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BMW 7 Series vs BYD Sealion 7 comparison

Compare performance (571 HP vs 530 HP), boot space and price (102,800 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – BMW 7 Series or BYD Sealion 7?

BMW 7 Series vs BYD Sealion 7: Key differences

BMW 7 Series

  • very slightly more power
  • very slightly quicker 0–100 km/h
  • barely more trunk space

BYD Sealion 7

5 (2 Reviews)
rate
  • substantially cheaper
  • substantially more electric range
  • marginally 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

7 Series

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Sealion 7 is substantially cheaper – starting at 42,800 £ , while the BMW 7 Series costs 102,800 £ . That’s a price difference of around 59,923 £.

As for electric range, the BYD Sealion 7 offers substantially more range – reaching up to 502 km, about 422 km more than the BMW 7 Series.

Sealion 7

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 7 Series offers very slightly more power – delivering 571 HP compared to 530 HP. That’s roughly 41 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 7 Series is very slightly quicker – completing the sprint in 4.3 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the BMW 7 Series delivers moderately more torque with 800 Nm compared to 690 Nm. That’s about 110 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 Sealion 7 is marginally lighter – 2,225 kg compared to 2,255 kg. The difference is around 30 kg.

Looking at boot space, the BMW 7 Series offers barely more boot space – 540 L compared to 520 L. That’s a difference of about 20 L.

When it comes to payload, the BMW 7 Series carries noticeably 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 Sealion 7 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 £42,800
Sealion 7

BYD Sealion 7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 313 - 530 HP
  • Consumption kWh/100km : 19.9 - 21.9 kWh/100km
  • Electric Range : 456 - 502 km
details

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BYD Sealion 7
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BMW 7 Series
BYD Sealion 7

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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Reviews BMW 7 Series

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

BYD Sealion 7

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

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Reviews BYD Sealion 7

5 (2 Reviews)
rate
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BMW 7 Series
BYD Sealion 7

Costs and Consumption
Price
102,800 - 127,500 £
Price
42,800 - 52,300 £
Consumption L/100km
3.3 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
80 km
Electric Range
456 - 502 km
Battery Capacity
17.6 kWh
Battery Capacity
-
co2
74 - 160 g/km
co2
0 g/km
Fuel tank capacity
65 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
2,255 - 2,525 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
525 - 540 L
Trunk capacity
520 L
Length
5,391 mm
Length
-
Width
1,950 mm
Width
1,925 mm
Height
1,544 mm
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
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
300 - 571 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4.3 - 5.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
250 km/h
Max Speed
-
Torque
670 - 800 Nm
Torque
380 - 690 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
220 - 420 kW
Power kW
230 - 390 kW
Engine capacity
2,993 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,024
CO2 Efficiency Class
F, B
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
What drive types are available for the BMW 7 Series?

Available configurations include 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.