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Ford Mustang Convertible vs Hyundai IONIQ 9 comparison

Compare performance (446 HP vs 428 HP), boot space and price (56,900 £ vs 59,900 £ ) at a glance. Find out which car is the better choice for you – Ford Mustang Convertible or Hyundai IONIQ 9?

Ford Mustang Convertible vs Hyundai IONIQ 9: Key differences

Ford Mustang Convertible

  • barely cheaper
  • marginally more power
  • marginally quicker 0–100 km/h
  • markedly lighter
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Hyundai IONIQ 9

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By Achim Sedelmaier

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

Mustang 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.

Ford Mustang Convertible is barely cheaper – starting at 56,900 £ , while the Hyundai IONIQ 9 costs 59,900 £ . That’s a price difference of around 2,957 £.

IONIQ 9

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 Ford Mustang Convertible offers marginally more power – delivering 446 HP compared to 428 HP. That’s roughly 18 HP more horsepower.

When accelerating from 0 to 100 km/h, the Ford Mustang Convertible is marginally quicker – completing the sprint in 5 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Hyundai IONIQ 9 delivers noticeably more torque with 700 Nm compared to 540 Nm. That’s about 160 Nm more.

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

In terms of curb weight, Ford Mustang Convertible is markedly lighter – 1,876 kg compared to 2,594 kg. The difference is around 718 kg.

When it comes to payload, the Hyundai IONIQ 9 carries considerably more – 643 kg compared to 324 kg. That’s a difference of about 319 kg.

Who wins the race in the data check?

The Hyundai IONIQ 9 stands well ahead of its rival 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 £59,900
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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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Reviews Ford Mustang 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.

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Reviews Hyundai IONIQ 9

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

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Ford Mustang Convertible
Hyundai IONIQ 9

Costs and Consumption
Price
56,900 - 59,900 £
Price
59,900 - 75,500 £
Consumption L/100km
12.3 - 12.4 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
280 - 282 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
1,876 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
-
Trunk capacity
338 L
Length
-
Length
-
Width
1,916 mm
Width
1,980 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
319 - 324 kg
Payload
586 - 643 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
446 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
5 - 5.4 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
-
Max Speed
-
Torque
540 Nm
Torque
350 - 700 Nm
Number of Cylinders
8
Number of Cylinders
-
Power kW
328 kW
Power kW
160 - 315 kW
Engine capacity
5,038 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Ford
Brand
Hyundai
Is the Ford Mustang Convertible offered with different drivetrains?

The Ford Mustang Convertible is available as 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.