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BMW 4 Series Convertible vs BMW iX3 comparison

Compare performance (530 HP vs 469 HP), boot space and price (52,600 £ vs 54,300 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or BMW iX3?

BMW 4 Series Convertible vs BMW iX3: Key differences

BMW 4 Series Convertible

  • only slightly cheaper
  • a bit more power
  • clearly quicker 0–100 km/h
  • markedly lighter
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BMW iX3

4.6 (4 Reviews)
rate
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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

4 Series Convertible

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.

BMW 4 Series Convertible is only slightly cheaper – starting at 52,600 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 1,714 £.

iX3

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 offers a bit more power – delivering 530 HP compared to 469 HP. That’s roughly 61 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is clearly quicker – completing the sprint in 3.7 s, while the BMW iX3 takes 4.9 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the BMW 4 Series Convertible delivers very slightly more torque with 700 Nm compared to 645 Nm. That’s about 55 Nm more.

4 Series Convertible

Space and Everyday Use:

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

Seats: BMW iX3 offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is markedly lighter – 1,765 kg compared to 2,360 kg. The difference is around 595 kg.

When it comes to payload, the BMW iX3 carries very slightly more – 465 kg compared to 420 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The BMW iX3 has the upper hand 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 £54,300
iX3

BMW iX3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 320 - 469 HP
  • Consumption kWh/100km 14.6 - 15.1 kWh/100km
  • Electric Range 635 - 805 km
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BMW 4 Series Convertible
BMW iX3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

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

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

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Costs and Consumption
Price
52,600 - 97,800 £
Price
54,300 - 66,300 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Electric Range
-
Electric Range
635 - 805 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
2,360 kg
Trunk capacity
385 L
Trunk capacity
-
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
465 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
184 - 530 HP
Power HP
320 - 469 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
4.9 - 5.9 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
500 - 645 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
235 - 345 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2026
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
BMW
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is available as Rear-Wheel Drive or 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.