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BMW iX vs smart #5 - Differences and prices compared

Compare performance (659 HP vs 646 HP), boot space and price (71600 £ vs 39300 £ ) at a glance. Find out which car is the better choice for you – BMW iX or smart #5?

BMW iX

smart #5

5 (3 Reviews)
rate

You can find all user reviews further down on this page.

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

iX

Costs and Efficiency:

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

smart #5 has a convincingly advantage in terms of price – it starts at 39300 £ , while the BMW iX costs 71600 £ . That’s a price difference of around 32229 £.

In terms of energy consumption, the advantage goes to the BMW iX: with 17.80 kWh per 100 km, it’s minimal more efficient than the smart #5 with 18.40 kWh. That’s a difference of about 0.60 kWh.

As for electric range, the BMW iX performs a bit better – achieving up to 701 km, about 111 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 BMW iX has a hardly perceptible edge – offering 659 HP compared to 646 HP. That’s roughly 13 HP more horsepower.

Both models accelerate almost equally fast – 3.80 s from 0 to 100 km/h.

In terms of top speed, the BMW iX performs somewhat better – reaching 250 km/h, while the smart #5 tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: BMW iX pulls evident stronger with 1015 Nm compared to 710 Nm. That’s about 305 Nm difference.

iX

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.

Both vehicles offer seating for 5 people.

In curb weight, smart #5 is a bit lighter – 2200 kg compared to 2525 kg. The difference is around 325 kg.

In terms of boot space, the smart #5 offers distinct more room – 630 L compared to 500 L. That’s a difference of about 130 L.

In maximum load capacity, the BMW iX performs a bit better – up to 1750 L, which is about 220 L more than the smart #5.

When it comes to payload, BMW iX somewhat takes the win – 575 kg compared to 502 kg. That’s a difference of about 73 kg.

Who comes out on top?

Overall, the smart #5 shows itself to be has a very small edge and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

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
BMW iX
smart #5

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW iX

The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.

details

smart #5

5 (3 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
BMW iX
smart #5

Costs and Consumption

Price
71600 - 107100 £
Price
39300 - 52200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
17.8 - 20.6 kWh
Consumption kWh/100km
18.4 - 19.9 kWh
Electric Range
600 - 701 km
Electric Range
465 - 590 km
Battery Capacity
96 - 109.6 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
2525 - 2655 kg
Curb weight
2200 - 2378 kg
Trunk capacity
500 L
Trunk capacity
630 L
Length
4965 mm
Length
4695 mm
Width
1970 mm
Width
1920 mm
Height
1688 - 1695 mm
Height
1705 mm
Max trunk capacity
1750 L
Max trunk capacity
1530 L
Payload
505 - 575 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
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
408 - 659 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
200 - 250 km/h
Max Speed
200 - 210 km/h
Torque
700 - 1015 Nm
Torque
373 - 710 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
300 - 485 kW
Power kW
250 - 475 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
smart
Is the BMW iX offered with different drivetrains?

The BMW iX is offered with 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.