Compare performance (530 HP vs 470 HP), boot space and price (42,800 £ vs 57,900 £ ) at a glance. Find out which car is the better choice for you – BYD Sealion 7 or Alpine A390?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
BYD Sealion 7 is clearly cheaper – starting at 42,800 £ , while the Alpine A390 costs 57,900 £ . That’s a price difference of around 15,009 £.
In terms of energy consumption, the Alpine A390 is very slightly more efficient: consuming 18.7 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 1.2 kWh/100km.
As for electric range, the Alpine A390 offers barely more range – reaching up to 551 km, about 49 km more than the BYD Sealion 7.
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 BYD Sealion 7 offers somewhat more power – delivering 530 HP compared to 470 HP. That’s roughly 60 HP more horsepower.
When accelerating from 0 to 100 km/h, the Alpine A390 is somewhat quicker – completing the sprint in 3.9 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.6 s quicker.
There’s also a difference in torque: the Alpine A390 delivers somewhat more torque with 824 Nm compared to 690 Nm. That’s about 134 Nm more.
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, Alpine A390 is very slightly lighter – 2,121 kg compared to 2,225 kg. The difference is around 104 kg.
Looking at boot space, the Alpine A390 offers very slightly more boot space – 532 L compared to 520 L. That’s a difference of about 12 L.
When it comes to payload, the Alpine A390 carries moderately more – 484 kg compared to 410 kg. That’s a difference of about 74 kg.
The Alpine A390 holds a slight edge 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.
The BYD Sealion 7 is a sleek electric wagon that blends sporty styling with surprising practicality, making it a compelling choice for drivers who want something different from the usual hatchback or SUV. Its refined interior and composed road manners give it an upscale feel, while clever packaging keeps it versatile for daily use.
detailsThe Alpine A390 is the brand’s leap into the fast electric crossover arena, wrapping Dieppe’s lightweight ethos in a sleek, coupe-ish body with real everyday usability. If the steering and chassis feel echo the A110, this could be the enthusiast’s family EV—subtle, sharp, and très chic, with enough theatre to make the school run feel like a pit lane exit.
detailsCosts and Consumption |
|
|---|---|
|
Price
42,800 - 52,300 £
|
Price
57,900 - 66,900 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
19.9 - 21.9 kWh/100km
|
Consumption kWh/100km
18.7 - 20.4 kWh/100km
|
|
Electric Range
456 - 502 km
|
Electric Range
497 - 551 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
0 g/km
|
co2
0 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
SUV
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
2,225 - 2,435 kg
|
Curb weight
2,121 - 2,124 kg
|
|
Trunk capacity
520 L
|
Trunk capacity
532 L
|
|
Length
-
|
Length
-
|
|
Width
1,925 mm
|
Width
1,885 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
410 kg
|
Payload
481 - 484 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric
|
Engine Type
Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
Drive Type
All-Wheel Drive
|
|
Power HP
313 - 530 HP
|
Power HP
400 - 470 HP
|
|
Acceleration 0-100km/h
4.5 - 6.7 s
|
Acceleration 0-100km/h
3.9 - 4.8 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
380 - 690 Nm
|
Torque
661 - 824 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
-
|
|
Power kW
230 - 390 kW
|
Power kW
295 - 345 kW
|
|
Engine capacity
-
|
Engine capacity
-
|
General |
|
|---|---|
|
Model Year
2024
|
Model Year
2026
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A
|
|
Brand
BYD
|
Brand
Alpine
|