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smart #5 vs BYD Dolphin Surf comparison

Compare performance (646 HP vs 156 HP), boot space and price (39,300 £ vs 19,700 £ ) at a glance. Find out which car is the better choice for you – smart #5 or BYD Dolphin Surf?

smart #5 vs BYD Dolphin Surf: Key differences

smart #5

4.9 (5 Reviews)
rate
  • significantly more power
  • considerably more electric range
  • considerably quicker 0–100 km/h
  • substantially more trunk space
details

BYD Dolphin Surf

  • clearly cheaper
  • slightly more efficient
  • clearly lighter
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

#5

Costs and Efficiency:

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

BYD Dolphin Surf is clearly cheaper – starting at 19,700 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 19,637 £.

In terms of energy consumption, the BYD Dolphin Surf is slightly more efficient: consuming 15.5 kWh/100km compared to 18.4 kWh/100km for the smart #5. That’s a difference of about 2.9 kWh/100km.

As for electric range, the smart #5 offers considerably more range – reaching up to 590 km, about 268 km more than the BYD Dolphin Surf.

Dolphin Surf

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the smart #5 offers significantly more power – delivering 646 HP compared to 156 HP. That’s roughly 490 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #5 is considerably quicker – completing the sprint in 3.8 s, while the BYD Dolphin Surf takes 9.1 s. That’s about 5.3 s quicker.

There’s also a difference in torque: the smart #5 delivers considerably more torque with 710 Nm compared to 220 Nm. That’s about 490 Nm more.

#5

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.

Seats: smart #5 offers more seats – 5 vs 4.

In terms of curb weight, BYD Dolphin Surf is clearly lighter – 1,294 kg compared to 2,200 kg. The difference is around 906 kg.

Looking at boot space, the smart #5 offers substantially more boot space – 630 L compared to 308 L. That’s a difference of about 322 L.

When it comes to payload, the smart #5 carries noticeably more – 502 kg compared to 344 kg. That’s a difference of about 158 kg.

Who wins the race in the data check?

The smart #5 holds a decisive overall lead 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
#5

smart #5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 340 - 646 HP
  • Consumption kWh/100km : 18.4 - 19.9 kWh/100km
  • Electric Range : 465 - 590 km
details

Frequently compared as well

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smart #5
BYD Dolphin Surf

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews smart #5

4.9 (5 Reviews)
rate
Stefan
31 Jan 2026, 22:25:16

I spent a weekend with the Brabus #5 and I’m thrilled! Extremely quiet, even at just under 220 km/h. Very good ride comfort, especially if, like me, you prefer a softer setup for better suspension comfort!
Brutal acceleration that only really hits from about 50 km/h and culminates in a 0–200 km/h sprint in 10.2 seconds… There are almost no cars up to roughly 1,000 hp that are faster!
The actual charging performance is, I believe, the best of any passenger car available in the EU (only Zeekr shows a little more on paper, but probably not in real life) — it charges at peaks up to 425 kW! 10–80% in 13 minutes and 5–100% in 28 minutes.
The fit and finish are in places better than the Mercedes E‑Class...

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Stefan
4 Dec 2025, 21:11:24

Apart from the hopefully soon improved/reduced chimes and the horrendously hard-to-reach mute for the speed warning, the car is really a knockout!
Very, very quiet, comfortable, extremely fast (Brabus version), great build quality, great equipment!

BYD Dolphin Surf

The BYD Dolphin Surf is an intriguing model that combines sleek design with modern electric technology, making it an appealing choice for urban commuters seeking sustainability and style. Its dynamic exterior design is complemented by an interior that prioritizes comfort and functionality, reflecting the brand's commitment to innovation. The model also offers impressive handling and a smooth driving experience, embodying the shift towards eco-friendly transportation.

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Reviews BYD Dolphin Surf

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

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smart #5
BYD Dolphin Surf

Costs and Consumption
Price
39,300 - 52,200 £
Price
19,700 - 26,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Consumption kWh/100km
15.5 - 16 kWh/100km
Electric Range
465 - 590 km
Electric Range
220 - 322 km
Battery Capacity
74.4 - 94 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
4
Doors
5
Doors
-
Curb weight
2,200 - 2,378 kg
Curb weight
1,294 - 1,390 kg
Trunk capacity
630 L
Trunk capacity
308 L
Length
4,695 mm
Length
-
Width
1,920 mm
Width
1,720 mm
Height
1,705 mm
Height
-
Max trunk capacity
1,530 L
Max trunk capacity
-
Payload
475 - 502 kg
Payload
344 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
Front-Wheel Drive
Power HP
340 - 646 HP
Power HP
88 - 156 HP
Acceleration 0-100km/h
3.8 - 6.9 s
Acceleration 0-100km/h
9.1 - 12.1 s
Max Speed
200 - 210 km/h
Max Speed
-
Torque
373 - 710 Nm
Torque
175 - 220 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
250 - 475 kW
Power kW
65 - 115 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
smart
Brand
BYD
What drive types are available for the smart #5?

Available configurations include 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.