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BMW XM vs smart #3 comparison

Compare performance (748 HP vs 272 HP), boot space and price (116,100 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – BMW XM or smart #3?

BMW XM vs smart #3: Key differences

BMW XM

4.7 (1 Reviews)
rate
  • substantially more power
  • considerably quicker 0–100 km/h
  • clearly more trunk space
details

smart #3

5 (1 Reviews)
rate
  • clearly cheaper
  • considerably more electric range
  • considerably lighter
details

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

XM

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

smart #3 is clearly cheaper – starting at 42,000 £ , while the BMW XM costs 116,100 £ . That’s a price difference of around 74,151 £.

As for electric range, the smart #3 offers considerably more range – reaching up to 455 km, about 375 km more than the BMW XM.

#3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW XM offers substantially more power – delivering 748 HP compared to 272 HP. That’s roughly 476 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW XM is considerably quicker – completing the sprint in 3.8 s, while the smart #3 takes 5.8 s. That’s about 2 s quicker.

There’s also a difference in torque: the BMW XM delivers considerably more torque with 1,000 Nm compared to 384 Nm. That’s about 616 Nm more.

XM

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: BMW XM offers more seats – 7 vs 5.

In terms of curb weight, smart #3 is considerably lighter – 1,810 kg compared to 2,695 kg. The difference is around 885 kg.

Looking at boot space, the BMW XM offers clearly more boot space – 527 L compared to 370 L. That’s a difference of about 157 L.

When it comes to payload, the BMW XM carries a bit more – 525 kg compared to 450 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The smart #3 stands well ahead of its rival 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.

£41,991
#3

smart #3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 272 HP
  • Consumption kWh/100km 16.3 kWh/100km
  • Electric Range 455 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW XM

The BMW XM is an unapologetically bold flagship that fuses brash, hyper-styled presence with the kind of luxury that commands attention wherever it goes. Inside it's a leather-clad showpiece loaded with modern tech and a driving personality that blends theatrical muscle with refined grand-tourer composure—ideal for buyers who want drama and comfort in equal measure.

details
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P90478646_highRes_the-first-ever-bmw-x
P90478549_lowRes_the-first-ever-bmw-x
P90478580_lowRes_the-first-ever-bmw-x

Reviews BMW XM

4.7 (1 Reviews)
rate

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

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
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Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

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Costs and Consumption
Price
116,100 - 159,300 £
Price
42,000 £
Consumption L/100km
4.7 - 5.3 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.3 kWh/100km
Electric Range
78 - 80 km
Electric Range
455 km
Battery Capacity
-
Battery Capacity
-
co2
105 - 119 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
-
Doors
-
Curb weight
2,695 - 2,795 kg
Curb weight
1,810 kg
Trunk capacity
527 L
Trunk capacity
370 L
Length
-
Length
-
Width
2,005 mm
Width
1,844 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
505 - 525 kg
Payload
450 kg

Engine and Performance
Engine Type
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
Power HP
476 - 748 HP
Power HP
272 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
5.8 s
Max Speed
-
Max Speed
-
Torque
700 - 1,000 Nm
Torque
384 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
350 - 550 kW
Power kW
200 kW
Engine capacity
2,998 - 4,395 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
C, D
CO2 Efficiency Class
A
Brand
BMW
Brand
smart
What drive types are available for the BMW XM?

Available configurations include All-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.