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Hyundai IONIQ 6 vs smart #5 comparison

Compare performance (650 HP vs 646 HP), boot space and price (39,000 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – Hyundai IONIQ 6 or smart #5?

Hyundai IONIQ 6 vs smart #5: Key differences

Hyundai IONIQ 6

4.6 (1 Reviews)
rate
  • only slightly cheaper
  • barely more power
  • visibly more efficient
  • somewhat more electric range
  • a bit quicker 0–100 km/h
  • somewhat lighter
details

smart #5

4.9 (5 Reviews)
rate
  • clearly 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.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

IONIQ 6

Costs and Efficiency:

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

Hyundai IONIQ 6 is only slightly cheaper – starting at 39,000 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 300 £.

In terms of energy consumption, the Hyundai IONIQ 6 is visibly more efficient: consuming 13.4 kWh/100km compared to 18.4 kWh/100km for the smart #5. That’s a difference of about 5 kWh/100km.

As for electric range, the Hyundai IONIQ 6 offers somewhat more range – reaching up to 680 km, about 90 km more than the smart #5.

#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 Hyundai IONIQ 6 offers barely more power – delivering 650 HP compared to 646 HP. That’s roughly 4 HP more horsepower.

When accelerating from 0 to 100 km/h, the Hyundai IONIQ 6 is a bit quicker – completing the sprint in 3.3 s, while the smart #5 takes 3.8 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 6 delivers very slightly more torque with 770 Nm compared to 710 Nm. That’s about 60 Nm more.

IONIQ 6

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, Hyundai IONIQ 6 is somewhat lighter – 1,892 kg compared to 2,200 kg. The difference is around 308 kg.

Looking at boot space, the smart #5 offers clearly more boot space – 630 L compared to 401 L. That’s a difference of about 229 L.

When it comes to payload, the smart #5 carries somewhat more – 502 kg compared to 438 kg. That’s a difference of about 64 kg.

Who wins the race in the data check?

The Hyundai IONIQ 6 comes out clearly 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 £39,000
IONIQ 6

Hyundai IONIQ 6

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 170 - 650 HP
  • Consumption kWh/100km 13.4 - 18.7 kWh/100km
  • Electric Range 487 - 680 km
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Hyundai IONIQ 6
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Costs and Consumption
View detailed analysis

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View detailed analysis

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View detailed analysis

Hyundai IONIQ 6

The Hyundai IONIQ 6 glides down the road with a poise that feels more runway model than commuter car, its sleek silhouette promising efficiency without trying too hard. Inside, a calm, minimalist cabin packed with clever, usable tech makes it a compelling choice for buyers who want electric motoring that's smart, stylish and quietly practical.

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Reviews Hyundai IONIQ 6

4.6 (1 Reviews)
rate

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

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)
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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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Hyundai IONIQ 6
smart #5

Costs and Consumption
Price
39,000 - 65,100 £
Price
39,300 - 52,200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.4 - 18.7 kWh/100km
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Electric Range
487 - 680 km
Electric Range
465 - 590 km
Battery Capacity
-
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
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1,892 - 2,241 kg
Curb weight
2,200 - 2,378 kg
Trunk capacity
371 - 401 L
Trunk capacity
630 L
Length
-
Length
4,695 mm
Width
1,880 - 1,940 mm
Width
1,920 mm
Height
-
Height
1,705 mm
Max trunk capacity
-
Max trunk capacity
1,530 L
Payload
386 - 438 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
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
170 - 650 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
3.3 - 8.3 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
-
Max Speed
200 - 210 km/h
Torque
350 - 770 Nm
Torque
373 - 710 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
125 - 478 kW
Power kW
250 - 475 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Hyundai
Brand
smart
What drive types are available for the Hyundai IONIQ 6?

The Hyundai IONIQ 6 is available as All-Wheel Drive or Rear-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.