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Lexus LBX vs Porsche 911 Convertible comparison

Compare performance (136 HP vs 711 HP), boot space and price (28,300 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Lexus LBX or Porsche 911 Convertible?

Lexus LBX vs Porsche 911 Convertible: Key differences

Lexus LBX

5 (2 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • clearly lighter
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Porsche 911 Convertible

  • substantially more power
  • substantially quicker 0–100 km/h
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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

LBX

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Lexus LBX is clearly cheaper – starting at 28,300 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 109,723 £.

Fuel consumption also shows a difference: the Lexus LBX uses 4.5 L/100km and is considerably more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 6 L/100km.

911 Convertible

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 Porsche 911 Convertible offers substantially more power – delivering 711 HP compared to 136 HP. That’s roughly 575 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is substantially quicker – completing the sprint in 2.6 s, while the Lexus LBX takes 9.2 s. That’s about 6.6 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers clearly more torque with 800 Nm compared to 185 Nm. That’s about 615 Nm more.

LBX

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.

Seats: Lexus LBX offers more seats – 5 vs 4.

In terms of curb weight, Lexus LBX is clearly lighter – 1,280 kg compared to 1,572 kg. The difference is around 292 kg.

When it comes to payload, the Lexus LBX carries clearly more – 475 kg compared to 345 kg. That’s a difference of about 130 kg.

Who wins the race in the data check?

The Lexus LBX 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 £28,300
LBX

Lexus LBX

  • Engine Type : Full Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 136 HP
  • Consumption L/100km : 4.5 - 4.8 L/100km
Lexus LBX
Porsche 911 Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Lexus LBX

The Lexus LBX is a compact premium crossover that brings Lexus styling and craftsmanship to city driving, pairing a cozy interior with thoughtful tech and upscale materials. It focuses on a quiet, refined ride and fuel-efficient everyday usability while carrying the brand’s familiar emphasis on comfort and safety.

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Lexus LBX
Porsche 911 Convertible

Costs and Consumption

Price
28,300 - 40,000 £
Price
138,000 - 244,500 £
Consumption L/100km
4.5 - 4.8 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
102 - 110 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Convertible
Seats
5
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,280 - 1,365 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
-
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,825 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
455 - 475 kg
Payload
195 - 345 kg

Engine and Performance

Engine Type
Full Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
CVT
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
136 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
9.2 - 9.6 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
185 Nm
Torque
450 - 800 Nm
Number of Cylinders
3
Number of Cylinders
6
Power kW
100 kW
Power kW
290 - 523 kW
Engine capacity
1,490 cm3
Engine capacity
2,981 - 3,996 cm3

General

Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
C
CO2 Efficiency Class
G
Brand
Lexus
Brand
Porsche
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.