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BMW iX vs smart #5 comparison
Compare performance (659 HP vs 646 HP), boot space and price (71,600 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – BMW iX or smart #5?
BMW iX vs smart #5: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
iX
Costs and Efficiency:
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
smart #5 is substantially cheaper – starting at 39,300 £ , while the BMW iX costs 71,600 £ . That’s a price difference of around 32,229 £.
In terms of energy consumption, the BMW iX is marginally more efficient: consuming 17.8 kWh/100km compared to 18.4 kWh/100km for the smart #5. That’s a difference of about 0.6 kWh/100km.
As for electric range, the BMW iX offers a bit more range – reaching 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 offers barely more power – delivering 659 HP compared to 646 HP. That’s roughly 13 HP more horsepower.
Both models accelerate almost equally fast – 3.8 s from 0 to 100 km/h.
There’s also a difference in torque: the BMW iX delivers noticeably more torque with 1,015 Nm compared to 710 Nm. That’s about 305 Nm more.
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 terms of curb weight, smart #5 is a bit lighter – 2,200 kg compared to 2,525 kg. The difference is around 325 kg.
Looking at boot space, the smart #5 offers visibly more boot space – 630 L compared to 500 L. That’s a difference of about 130 L.
When it comes to payload, the BMW iX carries somewhat more – 575 kg compared to 502 kg. That’s a difference of about 73 kg.
Who wins the race in the data check?
The smart #5 stands out in the key areas 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
smart #5
BMW iX
smart #5
Costs and Consumption
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View detailed analysis
Engine and Performance
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Dimensions and Body
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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
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
71,600 - 108,400 £
|
Price
39,300 - 52,200 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
17.8 - 20.6 kWh/100km
|
Consumption kWh/100km
18.4 - 19.9 kWh/100km
|
|
Electric Range
600 - 701 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
SUV
|
Body Type
SUV
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
5
|
|
Curb weight
2,525 - 2,655 kg
|
Curb weight
2,200 - 2,378 kg
|
|
Trunk capacity
500 L
|
Trunk capacity
630 L
|
|
Length
-
|
Length
4,695 mm
|
|
Width
1,970 mm
|
Width
1,920 mm
|
|
Height
-
|
Height
1,705 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1,530 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
-
|
Max Speed
200 - 210 km/h
|
|
Torque
700 - 1,015 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
|
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.