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smart #3 vs smart #5 comparison

Compare performance (428 HP vs 646 HP), boot space and price (34700 £ vs 39300 £ ) at a glance. Find out which car is the better choice for you – smart #3 or smart #5?

smart #3 vs smart #5: Key differences

smart #3

5 (1 Reviews)
rate
  • a bit cheaper
  • slightly more efficient
  • minimal quicker from 0–100 km/h
  • clearly perceptible lighter

smart #5

4.9 (5 Reviews)
rate
  • distinct more power
  • noticeable more electric range
  • clearly more trunk space

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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

smart #3 has a a bit advantage in terms of price – it starts at 34700 £ , while the smart #5 costs 39300 £ . That’s a price difference of around 4637 £.

In terms of energy consumption, the advantage goes to the smart #3: with 16.30 kWh per 100 km, it’s slightly more efficient than the smart #5 with 18.40 kWh. That’s a difference of about 2.10 kWh.

As for electric range, the smart #5 performs noticeable better – achieving up to 590 km, about 135 km more than the smart #3.

#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 has a distinct edge – offering 646 HP compared to 428 HP. That’s roughly 218 HP more horsepower.

In acceleration from 0 to 100 km/h, the smart #3 is minimal quicker – completing the sprint in 3.70 s, while the smart #5 takes 3.80 s. That’s about 0.10 s faster.

In terms of top speed, the smart #5 performs somewhat better – reaching 210 km/h, while the smart #3 tops out at 180 km/h. The difference is around 30 km/h.

There’s also a difference in torque: smart #5 pulls somewhat stronger with 710 Nm compared to 584 Nm. That’s about 126 Nm difference.

#3

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In curb weight, smart #3 is clearly perceptible lighter – 1780 kg compared to 2200 kg. The difference is around 420 kg.

In terms of boot space, the smart #5 offers clearly more room – 630 L compared to 370 L. That’s a difference of about 260 L.

In maximum load capacity, the smart #5 performs noticeable better – up to 1530 L, which is about 370 L more than the smart #3.

When it comes to payload, smart #5 somewhat takes the win – 502 kg compared to 450 kg. That’s a difference of about 52 kg.

Who wins the race in the data check?

The smart #5 sits 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.

Frequently compared as well

BYD Sealion 7
smart #5
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In the arena of electric SUVs, the BYD Sealion 7 and the smart #5 fiercely compete for dominance, each bringing unique attributes to the table. The BYD Sealion 7 impresses with its expansive range and robust performance, making it a solid choice for those who prioritize long-distance travel. …
smart #1
smart #3
VS
smart #1 and smart #3 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
smart #3
smart #5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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
  • Electric Range : 465 - 590 km
details

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

smart #5

4.9 (5 Reviews)
rate

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
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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!

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!

smart #3
smart #5

Costs and Consumption
Price
34700 - 45800 £
Price
39300 - 52200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.3 - 17.6 kWh
Consumption kWh/100km
18.4 - 19.9 kWh
Electric Range
325 - 455 km
Electric Range
465 - 590 km
Battery Capacity
47 - 62 kWh
Battery Capacity
74.4 - 94 kWh
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
5
Doors
5
Curb weight
1780 - 1910 kg
Curb weight
2200 - 2378 kg
Trunk capacity
370 L
Trunk capacity
630 L
Length
4400 mm
Length
4695 mm
Width
1844 mm
Width
1920 mm
Height
1556 mm
Height
1705 mm
Max trunk capacity
1160 L
Max trunk capacity
1530 L
Payload
419 - 450 kg
Payload
475 - 502 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
272 - 428 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
3.7 - 5.8 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
180 km/h
Max Speed
200 - 210 km/h
Torque
343 - 584 Nm
Torque
373 - 710 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
200 - 315 kW
Power kW
250 - 475 kW
Engine capacity
-
Engine capacity
-

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

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What drive types are available for the smart #3?

The smart #3 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.