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BMW 4 Series Convertible vs Lexus RX – Performance, range & efficiency compared

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether BMW 4 Series Convertible or Lexus RX fits your lifestyle better.

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

4 Series Convertible @ press.bmwgroup.com

Costs and Efficiency:

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

BMW 4 Series Convertible has a distinct advantage in terms of price – it starts at 52100 £, while the Lexus RX costs 63500 £. That’s a price difference of around 11400 £.

Fuel consumption also shows a difference: Lexus RX manages with 1.10 L and is therefore decisively more efficient than the BMW 4 Series Convertible with 5.20 L. The difference is about 4.10 L per 100 km.

RX @ toyota-media.de

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW 4 Series Convertible has a distinct edge – offering 530 HP compared to 371 HP. That’s roughly 159 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW 4 Series Convertible is decisively quicker – completing the sprint in 3.70 s, while the Lexus RX takes 6.20 s. That’s about 2.50 s faster.

In terms of top speed, the BMW 4 Series Convertible performs slightly better – reaching 250 km/h, while the Lexus RX tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: BMW 4 Series Convertible pulls noticeable stronger with 700 Nm compared to 551 Nm. That’s about 149 Nm difference.

4 Series Convertible @ press.bmwgroup.com

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: Lexus RX offers slightly more seating capacity – 5 vs 4.

In curb weight, BMW 4 Series Convertible is slightly lighter – 1765 kg compared to 2040 kg. The difference is around 275 kg.

In terms of boot space, the Lexus RX offers a bit more room – 461 L compared to 385 L. That’s a difference of about 76 L.

When it comes to payload, Lexus RX noticeable takes the win – 620 kg compared to 420 kg. That’s a difference of about 200 kg.

Who comes out on top?

Overall, the Lexus RX shows itself to be dominates this comparison and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £63,500
78278-rxmatadorredmica7715

Lexus RX

  • Engine Type : Full Hybrid, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 250 - 371 HP
  • Consumption L/100km : 1.1 - 8 L
  • Electric Range : 68 km

BMW 4 Series Convertible

The BMW 4 Series Convertible exudes elegance with its sleek lines and dynamic design, epitomising open-top driving pleasure. Its interior combines luxury with cutting-edge technology, offering an immersive driving experience enhanced by premium materials and intuitive controls. On the road, the car delivers a refined and exhilarating performance, ensuring every journey is as thrilling as it is comfortable.

details

Lexus RX

The Lexus RX exemplifies luxury in the realm of SUVs, offering a seamless blend of comfort and sophistication. Its elegant design is complemented by a plush interior that prioritises passenger comfort and cutting-edge technology. This model provides a smooth and refined driving experience, making it a standout choice for those who value both style and performance.

details
BMW 4 Series Convertible
Lexus RX
4 Series Convertible
RX

Costs and Consumption

Price
52100 - 96600 £
Price
63500 - 84700 £
Consumption L/100km
5.2 - 10.2 L
Consumption L/100km
1.1 - 8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
68 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
25 - 182 g/km
Fuel tank capacity
59 L
Fuel tank capacity
55 - 65 L

Dimensions and Body

Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
2
Doors
5
Curb weight
1765 - 2055 kg
Curb weight
2040 - 2185 kg
Trunk capacity
385 L
Trunk capacity
461 L
Length
4768 - 4801 mm
Length
4890 mm
Width
1852 - 1887 mm
Width
1920 mm
Height
1384 - 1399 mm
Height
1695 mm
Max trunk capacity
-
Max trunk capacity
1678 L
Payload
345 - 420 kg
Payload
575 - 620 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Full Hybrid, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
CVT, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
184 - 530 HP
Power HP
250 - 371 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
6.2 - 7.9 s
Max Speed
236 - 250 km/h
Max Speed
200 - 210 km/h
Torque
300 - 700 Nm
Torque
551 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
184 - 273 kW
Engine capacity
1995 - 2998 cm3
Engine capacity
2393 - 2487 cm3

General

Model Year
2024 - 2025
Model Year
2023 - 2024
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
E, B, G
Brand
BMW
Brand
Lexus
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is offered with Rear-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.