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BYD Seal vs smart #3 comparison

Compare performance (530 HP vs 428 HP), boot space and price (40300 £ vs 34700 £ ) at a glance. Find out which car is the better choice for you – BYD Seal or smart #3?

BYD Seal vs smart #3: Key differences

BYD Seal

  • slightly more power
  • barely noticeable more efficient
  • distinct more electric range
  • slight more trunk space

smart #3

5 (1 Reviews)
rate
  • somewhat cheaper
  • hardly perceptible quicker from 0–100 km/h
  • hardly perceptible 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

Seal

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

smart #3 has a somewhat advantage in terms of price – it starts at 34700 £ , while the BYD Seal costs 40300 £ . That’s a price difference of around 5572 £.

In terms of energy consumption, the advantage goes to the BYD Seal: with 15.40 kWh per 100 km, it’s barely noticeable more efficient than the smart #3 with 16.30 kWh. That’s a difference of about 0.90 kWh.

As for electric range, the BYD Seal performs distinct better – achieving up to 570 km, about 115 km more than the smart #3.

#3

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 BYD Seal has a slightly edge – offering 530 HP compared to 428 HP. That’s roughly 102 HP more horsepower.

In acceleration from 0 to 100 km/h, the smart #3 is hardly perceptible quicker – completing the sprint in 3.70 s, while the BYD Seal takes 3.80 s. That’s about 0.10 s faster.

There’s no difference in top speed – both reach 180 km/h.

There’s also a difference in torque: BYD Seal pulls to a small extent stronger with 670 Nm compared to 584 Nm. That’s about 86 Nm difference.

Seal

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In curb weight, smart #3 is hardly perceptible lighter – 1780 kg compared to 1907 kg. The difference is around 127 kg.

In terms of boot space, the BYD Seal offers slight more room – 400 L compared to 370 L. That’s a difference of about 30 L.

When it comes to payload, BYD Seal barely noticeable takes the win – 473 kg compared to 450 kg. That’s a difference of about 23 kg.

Who wins the race in the data check?

The BYD Seal 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.

Frequently compared as well

BYD Seal
BYD Han
VS
The BYD Seal hustles like a compact EV sports saloon — slick fastback styling, sharper handling and a punchy electric setup — while the BYD Han plays the polished executive, offering more rear-seat space, luxury trimmings and a broader line-up (including longer-range and hybrid options). Pick the …
BMW i4
BYD Seal
VS
The BMW i4 feels like a familiar, impeccably tuned sports saloon — razor-sharp steering, plush interior and that badge-backed refinement for drivers who crave engagement over bargains. The BYD Seal, meanwhile, is the plucky tech-packed challenger: startling range and kit for the money, bold design …
BYD Seal
smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £40,300
Seal

BYD Seal

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 231 - 530 HP
  • Consumption kWh/100km : 15.4 - 18.2 kWh
  • Electric Range : 460 - 570 km
details

BYD Seal

The BYD Seal is a sleek electric fastback that punches above its class with sporty looks and a surprisingly premium cabin, offering a very modern alternative for buyers who want style and substance without the badge snobbery. On the road it feels composed and eager, packed with tech and everyday practicality—ideal for shoppers after eco-friendly performance with a cheeky wink.

details
E39C85E9-48DC-4818-A3E7-3F02C3DB2C91
8CF01411-B14A-410A-AA11-F9D5B2E2275B
A96F2FC6-6F90-4820-9B66-B5BED237CAFF
56EE1144-A336-4202-B4CC-B68903013A42
03694851-BE3F-404A-85F8-4557ADB00247

smart #3

5 (1 Reviews)
rate

The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

details
smart-hashtag3-brabus-photon-orange-exterior-mallorca1
smart-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
smart-hashtag3-brabus-photon-orange-interior-mallorca3
smart-hashtag3-premium-ceramic-cream-interior-mallorca7

Reviews BYD Seal

Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

BYD Seal
smart #3

Costs and Consumption
Price
40300 - 45400 £
Price
34700 - 45800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.4 - 18.2 kWh
Consumption kWh/100km
16.3 - 17.6 kWh
Electric Range
460 - 570 km
Electric Range
325 - 455 km
Battery Capacity
-
Battery Capacity
47 - 62 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1907 - 2185 kg
Curb weight
1780 - 1910 kg
Trunk capacity
400 L
Trunk capacity
370 L
Length
4800 mm
Length
4400 mm
Width
1875 mm
Width
1844 mm
Height
1460 mm
Height
1556 mm
Max trunk capacity
-
Max trunk capacity
1160 L
Payload
446 - 473 kg
Payload
419 - 450 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
231 - 530 HP
Power HP
272 - 428 HP
Acceleration 0-100km/h
3.8 - 7.5 s
Acceleration 0-100km/h
3.7 - 5.8 s
Max Speed
180 km/h
Max Speed
180 km/h
Torque
360 - 670 Nm
Torque
343 - 584 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
170 - 390 kW
Power kW
200 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2023 - 2025
Model Year
2023 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
smart

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What drive types are available for the BYD Seal?

The BYD Seal is available as Rear-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.