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Genesis G90 vs Porsche 911 Convertible comparison

Compare performance (415 HP vs 711 HP), boot space and price (96,200 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Genesis G90 or Porsche 911 Convertible?

Genesis G90 vs Porsche 911 Convertible: Key differences

Genesis G90

  • considerably cheaper
details

Porsche 911 Convertible

  • significantly more power
  • marginally more efficient
  • significantly quicker 0–100 km/h
  • significantly lighter
  • very slightly more trunk space
details

By Achim Sedelmaier

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 911 Convertible costs 138,000 £ . That’s a price difference of around 41,846 £.

Fuel consumption also shows a difference: the Porsche 911 Convertible uses 10.5 L/100km and is marginally more efficient than the Genesis G90 with 11 L/100km. The difference is about 0.5 L/100km.

911 Convertible

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Porsche 911 Convertible offers significantly more power – delivering 711 HP compared to 415 HP. That’s roughly 296 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is significantly quicker – completing the sprint in 2.6 s, while the Genesis G90 takes 5.2 s. That’s about 2.6 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers visibly more torque with 800 Nm compared to 549 Nm. That’s about 251 Nm more.

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Genesis G90 offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is significantly lighter – 1,572 kg compared to 2,260 kg. The difference is around 688 kg.

Looking at boot space, the Porsche 911 Convertible offers very slightly more boot space – 373 L compared to 368 L. That’s a difference of about 5 L.

When it comes to payload, the Genesis G90 carries clearly more – 505 kg compared to 345 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Porsche 911 Convertible 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 £138,000
911 Convertible

Porsche 911 Convertible

  • Engine Type Petrol, Full Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 394 - 711 HP
  • Consumption L/100km 10.5 - 13.7 L/100km
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Genesis G90
Porsche 911 Convertible

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.

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Reviews Genesis G90

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Genesis G90
Porsche 911 Convertible

Costs and Consumption
Price
96,200 - 108,200 £
Price
138,000 - 244,500 £
Consumption L/100km
11 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
248 g/km
co2
237 - 310 g/km
Fuel tank capacity
73 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Convertible
Seats
4 - 5
Seats
2 - 4
Doors
4
Doors
-
Curb weight
2,260 - 2,470 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
368 L
Trunk capacity
163 - 373 L
Length
5,275 - 5,465 mm
Length
-
Width
1,930 mm
Width
1,852 - 1,900 mm
Height
1,490 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
370 - 505 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
415 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5.2 - 5.4 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
250 km/h
Max Speed
-
Torque
549 Nm
Torque
450 - 800 Nm
Number of Cylinders
6
Number of Cylinders
6
Power kW
305 kW
Power kW
290 - 523 kW
Engine capacity
3,470 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2023
Model Year
2,024 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Genesis
Brand
Porsche
Is the Genesis G90 offered with different drivetrains?

The Genesis G90 is offered with 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.