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smart #3 vs BYD Seal 6 comparison

Compare performance (428 HP vs 212 HP), boot space and price (34,700 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – smart #3 or BYD Seal 6?

smart #3 vs BYD Seal 6: Key differences

smart #3

5 (1 Reviews)
rate
  • very slightly cheaper
  • considerably more power
  • clearly more electric range
  • clearly quicker 0–100 km/h

BYD Seal 6

4.7 (2 Reviews)
rate
  • clearly more efficient
  • barely 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

#3

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

smart #3 is very slightly cheaper – starting at 34,700 £ , while the BYD Seal 6 costs 36,800 £ . That’s a price difference of around 2,143 £.

In terms of energy consumption, the BYD Seal 6 is clearly more efficient: consuming 7.8 kWh/100km compared to 16.3 kWh/100km for the smart #3. That’s a difference of about 8.5 kWh/100km.

As for electric range, the smart #3 offers clearly more range – reaching up to 455 km, about 354 km more than the BYD Seal 6.

Seal 6

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 #3 offers considerably more power – delivering 428 HP compared to 212 HP. That’s roughly 216 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #3 is clearly quicker – completing the sprint in 3.7 s, while the BYD Seal 6 takes 8.5 s. That’s about 4.8 s quicker.

#3

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 terms of curb weight, BYD Seal 6 is barely lighter – 1,710 kg compared to 1,780 kg. The difference is around 70 kg.

When it comes to payload, the smart #3 carries very slightly more – 450 kg compared to 435 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The smart #3 stands well ahead of its rival 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 £34,700
#3

smart #3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 428 HP
  • Consumption kWh/100km : 16.3 - 17.6 kWh/100km
  • Electric Range : 325 - 455 km
details

Frequently compared as well

BYD Seal U
BYD Seal 6
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Think of the BYD Seal U as the nimble, slightly sharper hatchback that’s happier darting through city streets, while the BYD Seal 6 is the sleeker, longer-legged cruiser built for relaxed motorway miles and extra range. If you want playful agility and everyday practicality go Seal U, but if …
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BYD's Seal and the freshly updated Seal 6 go head‑to‑head as the Chinese EV player tries to turn a promising coupe‑ish saloon into something truly polished. We pit range, tech and driving feel against each other to see if the Seal 6 is a worthwhile upgrade—or just a shinier Seal with a fancier …
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BYD Seal 6

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

smart #3

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
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smart-hashtag3-premium-ceramic-cream-interior-mallorca7

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 6

The BYD Seal 6 is a captivating electric sedan that captures attention with its sleek design and modern aerodynamics. With a strong focus on sustainability, it offers an impressive electric driving experience, combining efficiency with cutting-edge technology. The Seal 6 stands out in the EV market for its luxurious interior and innovative features, making it a strong contender for drivers looking to embrace the future of transportation.

details
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BYD_SEAL_6_Touring__106
BYD_SEAL_6_Touring__125

Reviews BYD Seal 6

4.7 (2 Reviews)
rate

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

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Costs and Consumption
Price
34,700 - 45,800 £
Price
36,800 - 42,800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.3 - 17.6 kWh/100km
Consumption kWh/100km
7.8 - 11.2 kWh/100km
Electric Range
325 - 455 km
Electric Range
54 - 101 km
Battery Capacity
47 - 62 kWh
Battery Capacity
-
co2
0 g/km
co2
38 - 60 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,780 - 1,910 kg
Curb weight
1,710 - 1,805 kg
Trunk capacity
370 L
Trunk capacity
-
Length
4,400 mm
Length
-
Width
1,844 mm
Width
1,875 mm
Height
1,556 mm
Height
-
Max trunk capacity
1,160 L
Max trunk capacity
-
Payload
419 - 450 kg
Payload
435 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
272 - 428 HP
Power HP
184 - 212 HP
Acceleration 0-100km/h
3.7 - 5.8 s
Acceleration 0-100km/h
8.5 - 8.9 s
Max Speed
180 km/h
Max Speed
-
Torque
343 - 584 Nm
Torque
-
Number of Cylinders
-
Number of Cylinders
4
Power kW
200 - 315 kW
Power kW
135 - 156 kW
Engine capacity
-
Engine capacity
1,498 cm3

General
Model Year
2,023 - 2,025
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
B
Brand
smart
Brand
BYD
What drivetrain options does the smart #3 have?

The smart #3 is available as Rear-Wheel Drive or 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.