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Audi e-tron GT vs Porsche Cayman comparison

Compare performance (843 HP vs 500 HP), boot space and price (93300 £ vs 136000 £ ) at a glance. Find out which car is the better choice for you – Audi e-tron GT or Porsche Cayman?

Audi e-tron GT vs Porsche Cayman: Key differences

Audi e-tron GT

  • significantly cheaper
  • clearly more power
  • somewhat quicker from 0–100 km/h
  • significantly more trunk space

Porsche Cayman

  • convincingly lighter

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

e-tron GT

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi e-tron GT has a significantly advantage in terms of price – it starts at 93300 £ , while the Porsche Cayman costs 136000 £ . That’s a price difference of around 42686 £.

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 Audi e-tron GT has a clearly edge – offering 843 HP compared to 500 HP. That’s roughly 343 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi e-tron GT is somewhat quicker – completing the sprint in 2.90 s, while the Porsche Cayman takes 3.40 s. That’s about 0.50 s faster.

In terms of top speed, the Porsche Cayman performs distinct better – reaching 315 km/h, while the Audi e-tron GT tops out at 250 km/h. The difference is around 65 km/h.

There’s also a difference in torque: Audi e-tron GT pulls decisively stronger with 1027 Nm compared to 450 Nm. That’s about 577 Nm difference.

e-tron GT

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: Audi e-tron GT offers clearly more seating capacity – 4 vs 2.

In curb weight, Porsche Cayman is convincingly lighter – 1490 kg compared to 2355 kg. The difference is around 865 kg.

In terms of boot space, the Audi e-tron GT offers significantly more room – 405 L compared to 184 L. That’s a difference of about 221 L.

When it comes to payload, Audi e-tron GT decisively takes the win – 485 kg compared to 281 kg. That’s a difference of about 204 kg.

Who wins the race in the data check?

The Audi e-tron GT 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.

Frequently compared as well

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Audi e-tron GT
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £93,300
e-tron GT

Audi e-tron GT

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 503 - 843 HP
  • Consumption kWh/100km : 17.9 - 19 kWh
  • Electric Range : 582 - 617 km
details

Audi e-tron GT

The Audi e-tron GT is a striking electric grand tourer that blends dramatic, low-slung styling with the hushed refinement of a luxury saloon. Behind the beautiful skin you'll find a driver-focused cabin and brisk, silent performance that makes daily commutes feel like auditioning for a weekend road trip — and yes, it manages to be both serious and a little bit smug about it.

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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 Audi e-tron GT

Reviews Porsche Cayman

Audi e-tron GT
Porsche Cayman

Costs and Consumption
Price
93300 - 137600 £
Price
136000 £
Consumption L/100km
-
Consumption L/100km
13 L
Consumption kWh/100km
17.9 - 19 kWh
Consumption kWh/100km
-
Electric Range
582 - 617 km
Electric Range
-
Battery Capacity
97 kWh
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Coupe
Body Type
Coupe
Seats
4
Seats
2
Doors
4
Doors
2
Curb weight
2355 - 2395 kg
Curb weight
1490 kg
Trunk capacity
350 - 405 L
Trunk capacity
184 L
Length
4997 - 5004 mm
Length
4456 mm
Width
1964 mm
Width
1822 mm
Height
1379 - 1394 mm
Height
1267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
455 - 485 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
503 - 843 HP
Power HP
500 HP
Acceleration 0-100km/h
2.9 - 4.2 s
Acceleration 0-100km/h
3.40 s
Max Speed
245 - 250 km/h
Max Speed
315 km/h
Torque
625 - 1027 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
370 - 620 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3996 cm3

General
Model Year
2024 - 2025
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche

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Is the Audi e-tron GT offered with different drivetrains?

Available configurations include All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.