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Lexus RX vs Porsche Cayman comparison

Compare performance (371 HP vs 500 HP), boot space and price (63,300 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Lexus RX or Porsche Cayman?

Lexus RX vs Porsche Cayman: Key differences

Lexus RX

5 (1 Reviews)
rate
  • considerably cheaper
  • clearly more efficient
  • considerably more trunk space
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Porsche Cayman

  • noticeably more power
  • considerably quicker 0–100 km/h
  • clearly lighter
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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

RX

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.

Lexus RX is considerably cheaper – starting at 63,300 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 72,728 £.

Fuel consumption also shows a difference: the Lexus RX uses 3.3 L/100km and is clearly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 9.7 L/100km.

Cayman

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 Porsche Cayman offers noticeably more power – delivering 500 HP compared to 371 HP. That’s roughly 129 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is considerably quicker – completing the sprint in 3.4 s, while the Lexus RX takes 6.2 s. That’s about 2.8 s quicker.

There’s also a difference in torque: the Lexus RX delivers slightly more torque with 551 Nm compared to 450 Nm. That’s about 101 Nm more.

RX

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Lexus RX offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is clearly lighter – 1,490 kg compared to 2,040 kg. The difference is around 550 kg.

Looking at boot space, the Lexus RX offers considerably more boot space – 461 L compared to 184 L. That’s a difference of about 277 L.

When it comes to payload, the Lexus RX carries considerably more – 620 kg compared to 281 kg. That’s a difference of about 339 kg.

Who wins the race in the data check?

The Lexus RX is clearly superior overall 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 £63,300
RX

Lexus RX

  • Engine Type Full Hybrid, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 207 - 371 HP
  • Consumption L/100km 3.3 - 8.1 L/100km
  • Electric Range 67 km
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Frequently compared as well

Lexus RX
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Lexus RX
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Lexus RX
Porsche Cayman

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.

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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.

Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Reviews Porsche Cayman

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

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Lexus RX
Porsche Cayman

Costs and Consumption
Price
63,300 - 87,400 £
Price
136,000 £
Consumption L/100km
3.3 - 8.1 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
67 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
75 - 183 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
2,040 - 2,185 kg
Curb weight
1,490 kg
Trunk capacity
461 L
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,920 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
575 - 620 kg
Payload
281 kg

Engine and Performance
Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, CVT
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
207 - 371 HP
Power HP
500 HP
Acceleration 0-100km/h
6.2 - 7.9 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
551 Nm
Torque
450 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
152 - 273 kW
Power kW
368 kW
Engine capacity
2,393 - 2,487 cm3
Engine capacity
3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2021
CO2 Efficiency Class
G, E, B
CO2 Efficiency Class
G
Brand
Lexus
Brand
Porsche
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.