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Aston Martin Vantage vs Porsche Cayman comparison

Compare performance (680 HP vs 500 HP), boot space and price (168,000 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Aston Martin Vantage or Porsche Cayman?

Aston Martin Vantage vs Porsche Cayman: Key differences

Aston Martin Vantage

  • clearly more power
  • barely more efficient
  • markedly more trunk space
details

Porsche Cayman

  • visibly cheaper
  • marginally quicker 0–100 km/h
  • moderately lighter
details

By Achim Sedelmaier

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

Vantage

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Porsche Cayman is visibly cheaper – starting at 136,000 £ , while the Aston Martin Vantage costs 168,000 £ . That’s a price difference of around 31,972 £.

Fuel consumption also shows a difference: the Aston Martin Vantage uses 12.1 L/100km and is barely more efficient than the Porsche Cayman with 13 L/100km. The difference is about 0.9 L/100km.

Cayman

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 Aston Martin Vantage offers clearly more power – delivering 680 HP compared to 500 HP. That’s roughly 180 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is marginally quicker – completing the sprint in 3.4 s, while the Aston Martin Vantage takes 3.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Aston Martin Vantage delivers considerably more torque with 800 Nm compared to 450 Nm. That’s about 350 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.

Both vehicles offer seating for 2 people.

In terms of curb weight, Porsche Cayman is moderately lighter – 1,490 kg compared to 1,745 kg. The difference is around 255 kg.

Looking at boot space, the Aston Martin Vantage offers markedly more boot space – 235 L compared to 184 L. That’s a difference of about 51 L.

Who wins the race in the data check?

The Aston Martin Vantage stands well ahead of its rival 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 £168,000
Vantage

Aston Martin Vantage

  • Engine Type : Petrol
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 665 - 680 HP
  • Consumption L/100km : 12.1 - 12.3 L/100km
details

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Aston Martin Vantage
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Aston Martin Vantage

The Aston Martin Vantage marries sculptural, jaw-dropping design with a ferociously engaging character that turns everyday drives into a headline act. Buyers get a luxuriously intimate cabin and a raw, communicative chassis — perfect if you crave theatre every time you pull away.

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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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Aston Martin Vantage
Porsche Cayman

Costs and Consumption
Price
168,000 - 228,000 £
Price
136,000 £
Consumption L/100km
12.1 - 12.3 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
274 - 279 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Coupe, Roadster
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
2
Curb weight
1,745 - 1,805 kg
Curb weight
1,490 kg
Trunk capacity
235 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
-
Payload
281 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
665 - 680 HP
Power HP
500 HP
Acceleration 0-100km/h
3.5 - 3.6 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
800 Nm
Torque
450 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
489 - 500 kW
Power kW
368 kW
Engine capacity
3,982 cm3
Engine capacity
3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Aston Martin
Brand
Porsche
What drivetrain options does the Aston Martin Vantage have?

The Aston Martin Vantage is offered with Rear-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.