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Kia Stonic vs smart #5 comparison

Compare performance (115 HP vs 646 HP), boot space and price (20,400 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or smart #5?

Kia Stonic vs smart #5: Key differences

Kia Stonic

4.7 (3 Reviews)
rate
  • significantly cheaper
  • significantly lighter
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smart #5

4.9 (7 Reviews)
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  • significantly more power
  • clearly quicker 0–100 km/h
  • substantially more trunk space
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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

Stonic

Costs and Efficiency:

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

Kia Stonic is significantly cheaper – starting at 20,400 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 18,951 £.

#5

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 115 HP. That’s roughly 531 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #5 is clearly quicker – completing the sprint in 3.8 s, while the Kia Stonic takes 10.7 s. That’s about 6.9 s quicker.

There’s also a difference in torque: the smart #5 delivers clearly more torque with 710 Nm compared to 200 Nm. That’s about 510 Nm more.

Stonic

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, Kia Stonic is significantly lighter – 1,205 kg compared to 2,200 kg. The difference is around 995 kg.

Looking at boot space, the smart #5 offers substantially more boot space – 630 L compared to 352 L. That’s a difference of about 278 L.

When it comes to payload, the smart #5 carries a bit more – 502 kg compared to 445 kg. That’s a difference of about 57 kg.

Who wins the race in the data check?

The smart #5 is decisively ahead 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
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Frequently compared as well

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Kia Stonic
smart #5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Stonic

The Kia Stonic is a compact crossover that pairs nimble city manners with a surprisingly spacious and comfortable cabin. It’s a practical, well-equipped choice for buyers who value sensible features, approachable styling and easy everyday usability.

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Reviews Kia Stonic

4.7 (3 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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 (7 Reviews)
rate
Thomas
3 Sept 2026, 09:04:16

High tech practical SUV EV. Great stereo. Brabus super qui

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Sami
2 Sept 2026, 19:26:03

Nearly 20,000 km on the Smart #5 Brabus, and it has clearly exceeded expectations in terms of value for money. Luckily I didn't choose the Tesla Model Y back then.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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!

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smart #5

Costs and Consumption
Price
20,400 - 26,800 £
Price
39,300 - 52,200 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Electric Range
-
Electric Range
465 - 590 km
Battery Capacity
-
Battery Capacity
74.4 - 94 kWh
co2
126 - 128 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
1,205 - 1,270 kg
Curb weight
2,200 - 2,378 kg
Trunk capacity
352 L
Trunk capacity
630 L
Length
-
Length
4,695 mm
Width
1,760 mm
Width
1,920 mm
Height
-
Height
1,705 mm
Max trunk capacity
-
Max trunk capacity
1,530 L
Payload
440 - 445 kg
Payload
475 - 502 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Manual, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
100 - 115 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
-
Max Speed
200 - 210 km/h
Torque
172 - 200 Nm
Torque
373 - 710 Nm
Number of Cylinders
3
Number of Cylinders
-
Power kW
74 - 85 kW
Power kW
250 - 475 kW
Engine capacity
998 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D
CO2 Efficiency Class
A
Brand
Kia
Brand
smart
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with Front-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.