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BMW 4 Series Convertible vs BMW 8 Series Convertible comparison

Compare performance (530 HP vs 625 HP), boot space and price (52,100 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or BMW 8 Series Convertible?

BMW 4 Series Convertible vs BMW 8 Series Convertible: Key differences

BMW 4 Series Convertible

  • considerably cheaper
  • markedly more efficient
  • very slightly lighter
  • barely more trunk space

BMW 8 Series Convertible

  • a bit more power
  • somewhat quicker 0–100 km/h

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

4 Series Convertible

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW 4 Series Convertible is considerably cheaper – starting at 52,100 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 47,314 £.

Fuel consumption also shows a difference: the BMW 4 Series Convertible uses 5.2 L/100km and is markedly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 1.7 L/100km.

8 Series Convertible

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 8 Series Convertible offers a bit more power – delivering 625 HP compared to 530 HP. That’s roughly 95 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is somewhat quicker – completing the sprint in 3.3 s, while the BMW 4 Series Convertible takes 3.7 s. That’s about 0.4 s quicker.

There’s no difference in top speed – both reach 250 km/h.

There’s also a difference in torque: the BMW 8 Series Convertible delivers only slightly more torque with 750 Nm compared to 700 Nm. That’s about 50 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.

Both vehicles offer seating for 4 people.

In terms of curb weight, BMW 4 Series Convertible is very slightly lighter – 1,765 kg compared to 1,915 kg. The difference is around 150 kg.

Looking at boot space, the BMW 4 Series Convertible offers barely more boot space – 385 L compared to 350 L. That’s a difference of about 35 L.

When it comes to payload, the BMW 8 Series Convertible carries marginally more – 425 kg compared to 420 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BMW 4 Series Convertible comes out clearly ahead 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 £52,100
4 Series Convertible

BMW 4 Series Convertible

  • Engine Type : Diesel MHEV, Petrol, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 184 - 530 HP
  • Consumption L/100km : 5.2 - 10.2 L/100km
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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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BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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BMW 8 Series Convertible

Costs and Consumption
Price
52,100 - 96,600 £
Price
99,400 - 165,800 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
6.9 - 11.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
180 - 255 g/km
Fuel tank capacity
59 L
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Convertible
Body Type
Convertible
Seats
4
Seats
4
Doors
2
Doors
2
Curb weight
1,765 - 2,055 kg
Curb weight
1,915 - 2,125 kg
Trunk capacity
385 L
Trunk capacity
350 L
Length
4,768 - 4,770 mm
Length
4,851 - 4,867 mm
Width
1,852 - 1,887 mm
Width
1,902 - 1,907 mm
Height
1,384 - 1,394 mm
Height
1,345 - 1,353 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
340 - 425 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Diesel MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
184 - 530 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
3.3 - 5.5 s
Max Speed
236 - 250 km/h
Max Speed
250 km/h
Torque
300 - 700 Nm
Torque
500 - 750 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
135 - 390 kW
Power kW
245 - 460 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
G
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.