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BMW 4 Series Convertible vs BMW i4 comparison

Compare performance (530 HP vs 601 HP), boot space and price (52,100 £ vs 49,400 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or BMW i4?

BMW 4 Series Convertible vs BMW i4: Key differences

BMW 4 Series Convertible

  • a bit lighter
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BMW i4

5 (3 Reviews)
rate
  • barely cheaper
  • a bit more power
  • a bit more trunk space
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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:

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.

BMW i4 is barely cheaper – starting at 49,400 £ , while the BMW 4 Series Convertible costs 52,100 £ . That’s a price difference of around 2,743 £.

i4

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 BMW i4 offers a bit more power – delivering 601 HP compared to 530 HP. That’s roughly 71 HP more horsepower.

Both models accelerate almost equally fast – 3.7 s from 0 to 100 km/h.

There’s also a difference in torque: the BMW i4 delivers moderately more torque with 795 Nm compared to 700 Nm. That’s about 95 Nm more.

4 Series Convertible

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: BMW i4 offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is a bit lighter – 1,765 kg compared to 2,070 kg. The difference is around 305 kg.

Looking at boot space, the BMW i4 offers a bit more boot space – 470 L compared to 385 L. That’s a difference of about 85 L.

When it comes to payload, the BMW i4 carries a bit more – 480 kg compared to 420 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The BMW i4 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 £49,400
i4

BMW i4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 286 - 601 HP
  • Consumption kWh/100km : 14.7 - 16.7 kWh/100km
  • Electric Range : 514 - 613 km
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Frequently compared as well

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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 i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

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P90439358_highRes_bmw-i4-m50-9-2021
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Reviews BMW i4

5 (3 Reviews)
rate
Marco
23 Apr 2026, 14:56:19

Amazing car with enormous torque, equipment and driving experience, at an acceptable fuel consumption.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BMW i4

Costs and Consumption
Price
52,100 - 96,600 £
Price
49,400 - 62,500 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Electric Range
-
Electric Range
514 - 613 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
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
2,070 - 2,285 kg
Trunk capacity
385 L
Trunk capacity
470 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,852 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
445 - 480 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
184 - 530 HP
Power HP
286 - 601 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.7 - 6 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
400 - 795 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
210 - 442 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
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.