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Genesis G80 vs Porsche Cayman comparison

Compare performance (370 HP vs 500 HP), boot space and price (64,300 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Genesis G80 or Porsche Cayman?

Genesis G80 vs Porsche Cayman: Key differences

Genesis G80

  • considerably cheaper
  • significantly more trunk space

Porsche Cayman

  • visibly more power
  • considerably quicker 0–100 km/h
  • considerably lighter

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

G80

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 G80 is considerably cheaper – starting at 64,300 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 71,743 £.

Cayman

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 Porsche Cayman offers visibly more power – delivering 500 HP compared to 370 HP. That’s roughly 130 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is considerably quicker – completing the sprint in 3.4 s, while the Genesis G80 takes 5.1 s. That’s about 1.7 s quicker.

There’s also a difference in torque: the Genesis G80 delivers visibly more torque with 700 Nm compared to 450 Nm. That’s about 250 Nm more.

G80

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: Genesis G80 offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is considerably lighter – 1,490 kg compared to 2,410 kg. The difference is around 920 kg.

Looking at boot space, the Genesis G80 offers significantly more boot space – 354 L compared to 184 L. That’s a difference of about 170 L.

When it comes to payload, the Genesis G80 carries clearly more – 490 kg compared to 281 kg. That’s a difference of about 209 kg.

Who wins the race in the data check?

The Genesis G80 holds a decisive overall lead 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 £64,300
G80

Genesis G80

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 370 HP
  • Consumption kWh/100km : 18.1 kWh/100km
  • Electric Range : 570 km
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Genesis G80
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Genesis G80

The Genesis G80 is a quietly confident executive sedan that marries elegant, restrained design with an interior that feels bespoke rather than mass-produced. For buyers who crave flagship comfort and poise without the badge theatrics, the G80 serves serious luxury and refinement with a touch of surprising value — like a tuxedoed chauffeur who secretly loves great playlists.

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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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Genesis G80
Porsche Cayman

Costs and Consumption
Price
64,300 - 67,800 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
13 L/100km
Consumption kWh/100km
18.1 kWh/100km
Consumption kWh/100km
-
Electric Range
570 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
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
2,410 kg
Curb weight
1,490 kg
Trunk capacity
354 L
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,925 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
490 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
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
370 HP
Power HP
500 HP
Acceleration 0-100km/h
5.1 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
700 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
272 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3,996 cm3

General
Model Year
2,025
Model Year
2,021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Genesis
Brand
Porsche
Is the Genesis G80 offered with different drivetrains?

The Genesis G80 is available as 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.