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BMW X3 vs smart #3 comparison
Compare performance (398 HP vs 428 HP), boot space and price (51,300 £ vs 34,700 £ ) at a glance. Find out which car is the better choice for you – BMW X3 or smart #3?
BMW X3 vs smart #3: 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.
X3
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
smart #3 is substantially cheaper – starting at 34,700 £ , while the BMW X3 costs 51,300 £ . That’s a price difference of around 16,552 £.
As for electric range, the smart #3 offers clearly more range – reaching up to 455 km, about 367 km more than the BMW X3.
#3
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 #3 offers only slightly more power – delivering 428 HP compared to 398 HP. That’s roughly 30 HP more horsepower.
When accelerating from 0 to 100 km/h, the smart #3 is markedly quicker – completing the sprint in 3.7 s, while the BMW X3 takes 4.6 s. That’s about 0.9 s quicker.
Looking at top speed, the BMW X3 is noticeably faster – reaching 250 km/h, while the smart #3 tops out at 180 km/h. The difference is around 70 km/h.
There’s also a difference in torque: the BMW X3 delivers moderately more torque with 670 Nm compared to 584 Nm. That’s about 86 Nm more.
X3
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 terms of curb weight, smart #3 is only slightly lighter – 1,780 kg compared to 1,930 kg. The difference is around 150 kg.
Looking at boot space, the BMW X3 offers clearly more boot space – 570 L compared to 370 L. That’s a difference of about 200 L.
For maximum load capacity, the BMW X3 offers markedly more capacity – up to 1,700 L, about 540 L more than the smart #3.
When it comes to payload, the BMW X3 carries markedly more – 570 kg compared to 450 kg. That’s a difference of about 120 kg.
Who wins the race in the data check?
The smart #3 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 £34,700
smart #3
BMW X3
smart #3
Costs and Consumption
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View detailed analysis
Engine and Performance
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Dimensions and Body
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BMW X3
The BMW X3 mixes Bavarian poise with everyday practicality, delivering a composed ride and a cabin that feels both premium and lived-in. It’s the sort of SUV that lets you enjoy sporty handling without sacrificing family-friendly space, so you get fun and sense in one neat package.
details
smart #3
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
BMW X3
smart #3
Costs and Consumption |
|
|---|---|
|
Price
51,300 - 72,400 £
|
Price
34,700 - 45,800 £
|
|
Consumption L/100km
2.8 - 7.7 L/100km
|
Consumption L/100km
-
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
16.3 - 17.6 kWh/100km
|
|
Electric Range
88 km
|
Electric Range
325 - 455 km
|
|
Battery Capacity
-
|
Battery Capacity
47 - 62 kWh
|
|
co2
64 - 175 g/km
|
co2
0 g/km
|
|
Fuel tank capacity
60 - 65 L
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
SUV
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
5
|
|
Curb weight
1,930 - 2,140 kg
|
Curb weight
1,780 - 1,910 kg
|
|
Trunk capacity
460 - 570 L
|
Trunk capacity
370 L
|
|
Length
4,755 mm
|
Length
4,400 mm
|
|
Width
1,920 mm
|
Width
1,844 mm
|
|
Height
1,660 mm
|
Height
1,556 mm
|
|
Max trunk capacity
1,700 L
|
Max trunk capacity
1,160 L
|
|
Payload
570 kg
|
Payload
419 - 450 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
|
Engine Type
Electric
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Automatic Gearbox
|
Transmission Detail
Reduction Gearbox
|
|
Drive Type
All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
197 - 398 HP
|
Power HP
272 - 428 HP
|
|
Acceleration 0-100km/h
4.6 - 7.8 s
|
Acceleration 0-100km/h
3.7 - 5.8 s
|
|
Max Speed
215 - 250 km/h
|
Max Speed
180 km/h
|
|
Torque
330 - 670 Nm
|
Torque
343 - 584 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
-
|
|
Power kW
145 - 293 kW
|
Power kW
200 - 315 kW
|
|
Engine capacity
1,995 - 2,998 cm3
|
Engine capacity
-
|
General |
|
|---|---|
|
Model Year
2,024 - 2,025
|
Model Year
2,023 - 2,025
|
|
CO2 Efficiency Class
F, E, B
|
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.