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Lexus NX vs smart #3 comparison

Compare performance (292 HP vs 272 HP), boot space and price (46,000 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – Lexus NX or smart #3?

Lexus NX vs smart #3: Key differences

Lexus NX

4.8 (15 Reviews)
rate
  • marginally more power
  • only slightly lighter
  • markedly more trunk space
details

smart #3

5 (1 Reviews)
rate
  • very slightly cheaper
  • considerably more electric range
  • a bit quicker 0–100 km/h
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

NX

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 very slightly cheaper – starting at 42,000 £ , while the Lexus NX costs 46,000 £ . That’s a price difference of around 4,037 £.

As for electric range, the smart #3 offers considerably more range – reaching up to 455 km, about 383 km more than the Lexus NX.

#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 Lexus NX offers marginally more power – delivering 292 HP compared to 272 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #3 is a bit quicker – completing the sprint in 5.8 s, while the Lexus NX takes 6.4 s. That’s about 0.6 s quicker.

NX

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, Lexus NX is only slightly lighter – 1,805 kg compared to 1,810 kg. The difference is around 5 kg.

Looking at boot space, the Lexus NX offers markedly more boot space – 545 L compared to 370 L. That’s a difference of about 175 L.

When it comes to payload, the Lexus NX carries a bit more – 515 kg compared to 450 kg. That’s a difference of about 65 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.

£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
Lexus NX
smart #3

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Lexus NX

The Lexus NX wraps striking, chiseled styling around a cabin that feels more crafted living room than utility vehicle, with soft materials and user-friendly tech that give it genuine premium cachet. On the road it's composed and quietly confident, trading sporty pretensions for a refined, easygoing personality that will suit buyers who want luxury without fuss — with a little Lexus flair to make daily commutes feel special.

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
Lexus NX
smart #3

Costs and Consumption

Price
46,000 - 63,400 £
Price
42,000 £
Consumption L/100km
2.9 - 5.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.3 kWh/100km
Electric Range
72 km
Electric Range
455 km
Battery Capacity
-
Battery Capacity
-
co2
65 - 134 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
-
Curb weight
1,805 - 2,065 kg
Curb weight
1,810 kg
Trunk capacity
545 L
Trunk capacity
370 L
Length
-
Length
-
Width
1,865 mm
Width
1,844 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 515 kg
Payload
450 kg

Engine and Performance

Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
CVT
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
200 - 292 HP
Power HP
272 HP
Acceleration 0-100km/h
6.4 - 8.8 s
Acceleration 0-100km/h
5.8 s
Max Speed
-
Max Speed
-
Torque
-
Torque
384 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
147 - 215 kW
Power kW
200 kW
Engine capacity
2,487 cm3
Engine capacity
-

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, B
CO2 Efficiency Class
A
Brand
Lexus
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.