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Porsche Cayman vs Kia EV9 comparison

Compare performance (500 HP vs 508 HP), boot space and price (136,000 £ vs 54,600 £ ) at a glance. Find out which car is the better choice for you – Porsche Cayman or Kia EV9?

Porsche Cayman vs Kia EV9: Key differences

Porsche Cayman

  • clearly quicker 0–100 km/h
  • clearly lighter
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Kia EV9

5 (1 Reviews)
rate
  • significantly cheaper
  • barely more power
  • significantly more trunk space
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By Achim Sedelmaier

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

Cayman

Costs and Efficiency:

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

Kia EV9 is significantly cheaper – starting at 54,600 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 81,437 £.

EV9

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 Kia EV9 offers barely more power – delivering 508 HP compared to 500 HP. That’s roughly 8 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is clearly quicker – completing the sprint in 3.4 s, while the Kia EV9 takes 4.6 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Kia EV9 delivers clearly more torque with 740 Nm compared to 450 Nm. That’s about 290 Nm more.

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: Kia EV9 offers more seats – 7 vs 2.

In terms of curb weight, Porsche Cayman is clearly lighter – 1,490 kg compared to 2,392 kg. The difference is around 902 kg.

Looking at boot space, the Kia EV9 offers significantly more boot space – 333 L compared to 184 L. That’s a difference of about 149 L.

When it comes to payload, the Kia EV9 carries clearly more – 615 kg compared to 281 kg. That’s a difference of about 334 kg.

Who wins the race in the data check?

The Kia EV9 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 £54,600
EV9

Kia EV9

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 508 HP
  • Consumption kWh/100km 19.5 - 22.8 kWh/100km
  • Electric Range 443 - 563 km
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Frequently compared as well

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Porsche Cayman
Kia EV9

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Reviews Porsche Cayman

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Kia EV9

The Kia EV9 is a bold, boxy electric SUV that looks like it could swallow your luggage and the in‑laws, with an interior that feels more lounge than cockpit and a presence that makes smaller rivals suddenly feel shy. On the road it delivers calm long‑distance composure with enough shove to keep overtakes effortless, and its tech and practicality make it an easy, sensible choice for buyers who want electric without compromise.

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Reviews Kia EV9

5 (1 Reviews)
rate

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Porsche Cayman
Kia EV9

Costs and Consumption
Price
136,000 £
Price
54,600 - 78,400 £
Consumption L/100km
13 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Electric Range
-
Electric Range
443 - 563 km
Battery Capacity
-
Battery Capacity
-
co2
295 g/km
co2
0 g/km
Fuel tank capacity
54 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
2
Seats
6 - 7
Doors
2
Doors
-
Curb weight
1,490 kg
Curb weight
2,392 - 2,664 kg
Trunk capacity
184 L
Trunk capacity
333 L
Length
4,456 mm
Length
-
Width
1,822 mm
Width
1,980 mm
Height
1,267 mm
Height
-
Max trunk capacity
272 L
Max trunk capacity
-
Payload
281 kg
Payload
542 - 615 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
500 HP
Power HP
204 - 508 HP
Acceleration 0-100km/h
3.4 s
Acceleration 0-100km/h
4.6 - 9.4 s
Max Speed
315 km/h
Max Speed
-
Torque
450 Nm
Torque
350 - 740 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
368 kW
Power kW
150 - 374 kW
Engine capacity
3,996 cm3
Engine capacity
-

General
Model Year
2021
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Porsche
Brand
Kia
What drivetrain options does the Porsche Cayman have?

The Porsche Cayman 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.