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Genesis G90 vs Porsche Cayman comparison

Compare performance (415 HP vs 500 HP), boot space and price (96,200 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Genesis G90 or Porsche Cayman?

Genesis G90 vs Porsche Cayman: Key differences

Genesis G90

  • considerably cheaper
  • a bit more efficient
  • considerably more trunk space

Porsche Cayman

  • a bit more power
  • significantly quicker 0–100 km/h
  • clearly lighter

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

G90

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.

Genesis G90 is considerably cheaper – starting at 96,200 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 39,874 £.

Fuel consumption also shows a difference: the Genesis G90 uses 11 L/100km and is a bit more efficient than the Porsche Cayman with 13 L/100km. The difference is about 2 L/100km.

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 Porsche Cayman offers a bit more power – delivering 500 HP compared to 415 HP. That’s roughly 85 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is significantly quicker – completing the sprint in 3.4 s, while the Genesis G90 takes 5.2 s. That’s about 1.8 s quicker.

Looking at top speed, the Porsche Cayman is clearly faster – reaching 315 km/h, while the Genesis G90 tops out at 250 km/h. The difference is around 65 km/h.

There’s also a difference in torque: the Genesis G90 delivers a bit more torque with 549 Nm compared to 450 Nm. That’s about 99 Nm more.

Space and Everyday Use:

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

Seats: Genesis G90 offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is clearly lighter – 1,490 kg compared to 2,260 kg. The difference is around 770 kg.

Looking at boot space, the Genesis G90 offers considerably more boot space – 368 L compared to 184 L. That’s a difference of about 184 L.

When it comes to payload, the Genesis G90 carries significantly more – 505 kg compared to 281 kg. That’s a difference of about 224 kg.

Who wins the race in the data check?

The Genesis G90 is far ahead 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 £96,200
G90

Genesis G90

  • Engine Type : Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 415 HP
  • Consumption L/100km : 11 L/100km
Genesis G90
Porsche Cayman

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Genesis G90

The Genesis G90 is the brand's flagship limousine, wrapping passengers in a serene cabin that feels bespoke and quietly confident. It delivers a cultured ride, sumptuous materials and clever tech smarts, all served with an understated swagger that makes rear-seat commuters feel like they've finally arrived.

details

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.

details
Genesis G90
Porsche Cayman

Costs and Consumption

Price
96,200 - 108,200 £
Price
136,000 £
Consumption L/100km
11 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
248 g/km
co2
295 g/km
Fuel tank capacity
73 L
Fuel tank capacity
54 L

Dimensions and Body

Body Type
Sedan
Body Type
Coupe
Seats
4 - 5
Seats
2
Doors
4
Doors
2
Curb weight
2,260 - 2,470 kg
Curb weight
1,490 kg
Trunk capacity
368 L
Trunk capacity
184 L
Length
5,275 - 5,465 mm
Length
4,456 mm
Width
1,930 mm
Width
1,822 mm
Height
1,490 mm
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
370 - 505 kg
Payload
281 kg

Engine and Performance

Engine Type
Petrol MHEV
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
415 HP
Power HP
500 HP
Acceleration 0-100km/h
5.2 - 5.4 s
Acceleration 0-100km/h
3.4 s
Max Speed
250 km/h
Max Speed
315 km/h
Torque
549 Nm
Torque
450 Nm
Number of Cylinders
6
Number of Cylinders
6
Power kW
305 kW
Power kW
368 kW
Engine capacity
3,470 cm3
Engine capacity
3,996 cm3

General

Model Year
2,023
Model Year
2,021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Genesis
Brand
Porsche
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.