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Lexus RX vs smart #3 comparison

Compare performance (371 HP vs 272 HP), boot space and price (63,300 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – Lexus RX or smart #3?

Lexus RX vs smart #3: Key differences

Lexus RX

5 (1 Reviews)
rate
  • noticeably more power
  • somewhat more trunk space
details

smart #3

5 (1 Reviews)
rate
  • significantly cheaper
  • substantially more electric range
  • only slightly quicker 0–100 km/h
  • a bit 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.

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

RX

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 significantly cheaper – starting at 42,000 £ , while the Lexus RX costs 63,300 £ . That’s a price difference of around 21,309 £.

As for electric range, the smart #3 offers substantially more range – reaching up to 455 km, about 388 km more than the Lexus RX.

#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 RX offers noticeably more power – delivering 371 HP compared to 272 HP. That’s roughly 99 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #3 is only slightly quicker – completing the sprint in 5.8 s, while the Lexus RX takes 6.2 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Lexus RX delivers markedly more torque with 551 Nm compared to 384 Nm. That’s about 167 Nm more.

RX

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, smart #3 is a bit lighter – 1,810 kg compared to 2,040 kg. The difference is around 230 kg.

Looking at boot space, the Lexus RX offers somewhat more boot space – 461 L compared to 370 L. That’s a difference of about 91 L.

When it comes to payload, the Lexus RX carries clearly more – 620 kg compared to 450 kg. That’s a difference of about 170 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
details

Frequently compared as well

smart #3
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smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Lexus RX

The Lexus RX glides through city streets with the kind of hushed refinement that turns mundane commutes into a private lounge. It mixes plush comfort and polished practicality in a package that suits buyers who want to arrive relaxed and a touch smug.

details
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Reviews Lexus RX

5 (1 Reviews)
rate
Angelo Ponte
16 May 2026, 14:16:35

Tried as a replacement car. The driving pleasure and comfort are unmatched by Alfa.

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.

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smart-hashtag3-brabus-photon-orange-exterior-mallorca1
smart-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
smart-hashtag3-brabus-photon-orange-interior-mallorca3
smart-hashtag3-premium-ceramic-cream-interior-mallorca7

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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Lexus RX
smart #3

Costs and Consumption
Price
63,300 - 87,400 £
Price
42,000 £
Consumption L/100km
3.3 - 8.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.3 kWh/100km
Electric Range
67 km
Electric Range
455 km
Battery Capacity
-
Battery Capacity
-
co2
75 - 183 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
2,040 - 2,185 kg
Curb weight
1,810 kg
Trunk capacity
461 L
Trunk capacity
370 L
Length
-
Length
-
Width
1,920 mm
Width
1,844 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
575 - 620 kg
Payload
450 kg

Engine and Performance
Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, CVT
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
207 - 371 HP
Power HP
272 HP
Acceleration 0-100km/h
6.2 - 7.9 s
Acceleration 0-100km/h
5.8 s
Max Speed
-
Max Speed
-
Torque
551 Nm
Torque
384 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
152 - 273 kW
Power kW
200 kW
Engine capacity
2,393 - 2,487 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
G, E, B
CO2 Efficiency Class
A
Brand
Lexus
Brand
smart
Is the Lexus RX offered with different drivetrains?

The Lexus RX is offered with 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.