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BYD Seal U vs smart #5 comparison
Compare performance (324 HP vs 646 HP), boot space and price (34,300 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or smart #5?
BYD Seal U vs smart #5: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Seal U
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 Seal U is a bit cheaper – starting at 34,300 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 5,065 £.
In terms of energy consumption, the BYD Seal U is substantially more efficient: consuming 12.1 kWh/100km compared to 18.4 kWh/100km for the smart #5. That’s a difference of about 6.3 kWh/100km.
As for electric range, the smart #5 offers slightly more range – reaching up to 590 km, about 90 km more than the BYD Seal U.
#5
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 smart #5 offers substantially more power – delivering 646 HP compared to 324 HP. That’s roughly 322 HP more horsepower.
When accelerating from 0 to 100 km/h, the smart #5 is significantly quicker – completing the sprint in 3.8 s, while the BYD Seal U takes 5.9 s. That’s about 2.1 s quicker.
There’s also a difference in torque: the smart #5 delivers noticeably more torque with 710 Nm compared to 550 Nm. That’s about 160 Nm more.
Seal U
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, BYD Seal U is slightly lighter – 1,940 kg compared to 2,200 kg. The difference is around 260 kg.
Looking at boot space, the smart #5 offers somewhat more boot space – 630 L compared to 552 L. That’s a difference of about 78 L.
When it comes to payload, the smart #5 carries somewhat more – 502 kg compared to 410 kg. That’s a difference of about 92 kg.
Who wins the race in the data check?
The smart #5 is far ahead 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 £39,300
smart #5
BYD Seal U
smart #5
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
smart #5
The Smart #5 continues to build on the brand's legacy of compact and efficient urban vehicles, now infused with a more modern and stylish design. Its sleek appearance is complemented by a spacious interior, offering comfort without compromising its compact nature. This model is ideal for city dwellers seeking a blend of innovation, practicality, and style in their daily drives.
details
BYD Seal U
smart #5
Costs and Consumption |
|
|---|---|
|
Price
34,300 - 39,800 £
|
Price
39,300 - 52,200 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
12.1 - 20.5 kWh/100km
|
Consumption kWh/100km
18.4 - 19.9 kWh/100km
|
|
Electric Range
70 - 500 km
|
Electric Range
465 - 590 km
|
|
Battery Capacity
-
|
Battery Capacity
74.4 - 94 kWh
|
|
co2
0 - 71 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
5
|
|
Curb weight
1,940 - 2,147 kg
|
Curb weight
2,200 - 2,378 kg
|
|
Trunk capacity
425 - 552 L
|
Trunk capacity
630 L
|
|
Length
-
|
Length
4,695 mm
|
|
Width
1,890 mm
|
Width
1,920 mm
|
|
Height
-
|
Height
1,705 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1,530 L
|
|
Payload
410 kg
|
Payload
475 - 502 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric, Plugin Hybrid
|
Engine Type
Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox, Automatic Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
Front-Wheel Drive, All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
218 - 324 HP
|
Power HP
340 - 646 HP
|
|
Acceleration 0-100km/h
5.9 - 9.6 s
|
Acceleration 0-100km/h
3.8 - 6.9 s
|
|
Max Speed
-
|
Max Speed
200 - 210 km/h
|
|
Torque
300 - 550 Nm
|
Torque
373 - 710 Nm
|
|
Number of Cylinders
4
|
Number of Cylinders
-
|
|
Power kW
160 - 238 kW
|
Power kW
250 - 475 kW
|
|
Engine capacity
1,497 - 1,498 cm3
|
Engine capacity
-
|
General |
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|---|---|
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Model Year
2,024 - 2,026
|
Model Year
2025
|
|
CO2 Efficiency Class
A, B
|
CO2 Efficiency Class
A
|
|
Brand
BYD
|
Brand
smart
|
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.