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Kia EV9 vs Porsche Cayman comparison

Compare performance (508 HP vs 500 HP), boot space and price (54,200 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Kia EV9 or Porsche Cayman?

Kia EV9 vs Porsche Cayman: Key differences

Kia EV9

5 (1 Reviews)
rate
  • significantly cheaper
  • only slightly more power
  • substantially more trunk space
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Porsche Cayman

  • markedly quicker 0–100 km/h
  • substantially lighter
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By Achim Sedelmaier

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

EV9

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.

Kia EV9 is significantly cheaper – starting at 54,200 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 81,866 £.

Cayman

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 only slightly 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 markedly 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.

EV9

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 substantially lighter – 1,490 kg compared to 2,392 kg. The difference is around 902 kg.

Looking at boot space, the Kia EV9 offers substantially 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 £54,200
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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

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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Porsche Cayman

Costs and Consumption
Price
54,200 - 78,000 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
13 L/100km
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Consumption kWh/100km
-
Electric Range
443 - 563 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

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

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

General
Model Year
2025
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Kia
Brand
Porsche
What drivetrain options does the Kia EV9 have?

Available configurations include 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.