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BMW 8 Series Convertible vs Kia EV4 Sedan comparison

Compare performance (625 HP vs 204 HP), boot space and price (99,400 £ vs 35,600 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Kia EV4 Sedan?

BMW 8 Series Convertible vs Kia EV4 Sedan: Key differences

BMW 8 Series Convertible

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

Kia EV4 Sedan

  • significantly cheaper
  • very slightly lighter
  • noticeably more trunk space
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By Achim Sedelmaier

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

8 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.

Kia EV4 Sedan is significantly cheaper – starting at 35,600 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 63,866 £.

EV4 Sedan

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BMW 8 Series Convertible offers significantly more power – delivering 625 HP compared to 204 HP. That’s roughly 421 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is substantially quicker – completing the sprint in 3.3 s, while the Kia EV4 Sedan takes 7.4 s. That’s about 4.1 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers clearly more torque with 750 Nm compared to 283 Nm. That’s about 467 Nm more.

8 Series Convertible

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: Kia EV4 Sedan offers more seats – 5 vs 4.

In terms of curb weight, Kia EV4 Sedan is very slightly lighter – 1,815 kg compared to 1,915 kg. The difference is around 100 kg.

Looking at boot space, the Kia EV4 Sedan offers noticeably more boot space – 490 L compared to 350 L. That’s a difference of about 140 L.

When it comes to payload, the Kia EV4 Sedan carries very slightly more – 455 kg compared to 425 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Kia EV4 Sedan is barely 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 £35,600
EV4 Sedan

Kia EV4 Sedan

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 204 HP
  • Consumption kWh/100km 14.3 - 14.9 kWh/100km
  • Electric Range 456 - 633 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews BMW 8 Series Convertible

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

Kia EV4 Sedan

Kia's EV4 Sedan makes a striking impression with its sleek and modern design, embodying the brand's progressive approach to electric mobility. The vehicle's interior is a harmonious blend of comfort and cutting-edge technology, providing both driver and passengers with a premium experience. With its focus on sustainability and innovation, the EV4 Sedan is set to redefine expectations for eco-friendly sedans on the road.

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Reviews Kia EV4 Sedan

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BMW 8 Series Convertible
Kia EV4 Sedan

Costs and Consumption
Price
99,400 - 165,800 £
Price
35,600 - 43,700 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
14.3 - 14.9 kWh/100km
Electric Range
-
Electric Range
456 - 633 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
0 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Sedan
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,815 - 1,914 kg
Trunk capacity
350 L
Trunk capacity
490 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,860 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
441 - 455 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
204 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
7.4 - 7.8 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
283 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
245 - 460 kW
Power kW
150 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
-

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
BMW
Brand
Kia
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or Rear-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.