VS

BMW 4 Series Convertible vs Hyundai IONIQ 9 comparison

Compare performance (530 HP vs 428 HP), boot space and price (52,100 £ vs 58,700 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Hyundai IONIQ 9?

BMW 4 Series Convertible vs Hyundai IONIQ 9: Key differences

BMW 4 Series Convertible

  • a bit cheaper
  • somewhat more power
  • significantly quicker 0–100 km/h
  • clearly lighter
  • moderately more trunk space
details

Hyundai IONIQ 9

details

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 4 Series Convertible is a bit cheaper – starting at 52,100 £ , while the Hyundai IONIQ 9 costs 58,700 £ . That’s a price difference of around 6,600 £.

IONIQ 9

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 4 Series Convertible offers somewhat more power – delivering 530 HP compared to 428 HP. That’s roughly 102 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is significantly quicker – completing the sprint in 3.7 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 1.5 s quicker.

Both models offer the same torque – 700 Nm.

4 Series Convertible

Space and Everyday Use:

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

Seats: Hyundai IONIQ 9 offers more seats – 7 vs 4.

In terms of curb weight, BMW 4 Series Convertible is clearly lighter – 1,765 kg compared to 2,594 kg. The difference is around 829 kg.

Looking at boot space, the BMW 4 Series Convertible offers moderately more boot space – 385 L compared to 338 L. That’s a difference of about 47 L.

When it comes to payload, the Hyundai IONIQ 9 carries markedly more – 643 kg compared to 420 kg. That’s a difference of about 223 kg.

Who wins the race in the data check?

The Hyundai IONIQ 9 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 £58,700
IONIQ 9

Hyundai IONIQ 9

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 218 - 428 HP
  • Consumption kWh/100km : 19.9 - 20.6 kWh/100km
  • Electric Range : 600 - 620 km
details

Frequently compared as well

BMW 4 Series Convertible
Mercedes CLE Convertible
VS
The BMW 4 Series Convertible and the Mercedes CLE Convertible go head-to-head as premium drop-top coupes, with the BMW known for taut, driver-focused handling and the CLE leaning into comfort, style, and advanced tech. Choose the 4 Series for a sharper, more engaging drive; opt for the CLE if you …
Volvo XC90
Hyundai IONIQ 9
VS
Unsure whether the Volvo XC90 or the Hyundai IONIQ 9 is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BMW 4 Series Convertible
Hyundai IONIQ 9

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.

details
P90400407_highRes_the-all-new-bmw-4-se
P90400400_highRes_the-all-new-bmw-4-se
P90400423_highRes_the-all-new-bmw-4-se
P90414434_highRes_bmw-m440i-xdrive-con
P90133563_highRes_the-new-bmw-4-series

Reviews BMW 4 Series Convertible

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

Hyundai IONIQ 9

The Hyundai IONIQ 9 is a bold step forward in the automotive world, combining cutting-edge electric technology with a sleek and modern design. This model stands out with its spacious interior and advanced features, ensuring both comfort and convenience for drivers and passengers alike. As Hyundai pushes the envelope in eco-friendly innovation, the IONIQ 9 represents the future of sustainable driving with its impressive range and performance capabilities.

details
serpimg_sEwVyX

Reviews Hyundai IONIQ 9

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

Frequently compared as well

XPeng G9
Hyundai IONIQ 9
VS
The XPeng G9 and Hyundai IONIQ 9 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 2 Series
BMW 4 Series Convertible
VS
In the realm of luxury coupes, the BMW 2 Series takes center stage with its compact agility and sporty dynamics, making it an ideal choice for enthusiasts seeking spirited driving in urban settings. Meanwhile, the BMW 4 Series Convertible offers an alluring blend of style and elegance, with its …
BMW 4 Series Convertible
Mercedes E Class
VS
Unsure whether the BMW 4 Series Convertible or the Mercedes E Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BYD Tang
Hyundai IONIQ 9
VS
The BYD Tang and Hyundai IONIQ 9 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Hyundai Santa Fe
Hyundai IONIQ 9
VS
The Hyundai Santa Fe and Hyundai IONIQ 9 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 4 Series Convertible
Ford Mustang Convertible
VS
BMW 4 Series Convertible and Ford Mustang Convertible go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BMW 4 Series Convertible
BMW Z4
VS
When it comes to choosing between the BMW 4 Series Convertible and the BMW Z4, enthusiasts are presented with two distinctly appealing options. The 4 Series Convertible offers a blend of luxury and practicality, making it an ideal choice for those who seek a spacious interior without compromising …
BMW 4 Series Convertible
VW T-Roc
VS
The BMW 4 Series Convertible and VW T-Roc compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BMW 4 Series Convertible
Hyundai IONIQ 9

Costs and Consumption
Price
52,100 - 96,600 £
Price
58,700 - 74,400 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Electric Range
-
Electric Range
600 - 620 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
7
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
385 L
Trunk capacity
338 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,980 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
586 - 643 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
218 - 428 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
350 - 700 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
160 - 315 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
Hyundai
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.