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BMW X3 vs BYD Sealion 7 comparison

Compare performance (398 HP vs 530 HP), boot space and price (51,300 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – BMW X3 or BYD Sealion 7?

BMW X3 vs BYD Sealion 7: Key differences

BMW X3

4.6 (1 Reviews)
rate
  • a bit lighter
  • barely more trunk space
details

BYD Sealion 7

5 (2 Reviews)
rate
  • slightly cheaper
  • clearly more power
  • clearly more electric range
  • barely quicker 0–100 km/h
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

X3

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BYD Sealion 7 is slightly cheaper – starting at 42,800 £ , while the BMW X3 costs 51,300 £ . That’s a price difference of around 8,409 £.

As for electric range, the BYD Sealion 7 offers clearly more range – reaching up to 502 km, about 414 km more than the BMW X3.

Sealion 7

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BYD Sealion 7 offers clearly more power – delivering 530 HP compared to 398 HP. That’s roughly 132 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Sealion 7 is barely quicker – completing the sprint in 4.5 s, while the BMW X3 takes 4.6 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers barely more torque with 690 Nm compared to 670 Nm. That’s about 20 Nm more.

X3

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW X3 is a bit lighter – 1,930 kg compared to 2,225 kg. The difference is around 295 kg.

Looking at boot space, the BMW X3 offers barely more boot space – 570 L compared to 520 L. That’s a difference of about 50 L.

When it comes to payload, the BMW X3 carries noticeably more – 570 kg compared to 410 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The BYD Sealion 7 is decisively ahead 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
BMW X3
BYD Sealion 7

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW X3

The BMW X3 mixes Bavarian poise with everyday practicality, delivering a composed ride and a cabin that feels both premium and lived-in. It’s the sort of SUV that lets you enjoy sporty handling without sacrificing family-friendly space, so you get fun and sense in one neat package.

details

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.

details
BMW X3
BYD Sealion 7

Costs and Consumption

Price
51,300 - 72,400 £
Price
42,800 - 52,300 £
Consumption L/100km
2.8 - 7.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
88 km
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
64 - 175 g/km
co2
0 g/km
Fuel tank capacity
60 - 65 L
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,930 - 2,140 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
460 - 570 L
Trunk capacity
520 L
Length
4,755 mm
Length
-
Width
1,920 mm
Width
1,925 mm
Height
1,660 mm
Height
-
Max trunk capacity
1,700 L
Max trunk capacity
-
Payload
570 kg
Payload
410 kg

Engine and Performance

Engine Type
Petrol MHEV, 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
197 - 398 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4.6 - 7.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
215 - 250 km/h
Max Speed
-
Torque
330 - 670 Nm
Torque
380 - 690 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
145 - 293 kW
Power kW
230 - 390 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General

Model Year
2,024 - 2,025
Model Year
2024
CO2 Efficiency Class
F, E, B
CO2 Efficiency Class
A
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.