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Vauxhall Astra Sports Tourer vs Porsche Cayman comparison

Compare performance (196 HP vs 500 HP), boot space and price (30,000 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Vauxhall Astra Sports Tourer or Porsche Cayman?

Vauxhall Astra Sports Tourer vs Porsche Cayman: Key differences

Vauxhall Astra Sports Tourer

4.4 (1 Reviews)
rate
  • significantly cheaper
  • clearly more efficient
  • marginally lighter
  • considerably more trunk space
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Porsche Cayman

  • clearly more power
  • significantly quicker 0–100 km/h
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

Astra Sports Tourer

Costs and Efficiency:

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

Vauxhall Astra Sports Tourer is significantly cheaper – starting at 30,000 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 106,037 £.

Fuel consumption also shows a difference: the Vauxhall Astra Sports Tourer uses 2.3 L/100km and is clearly more efficient than the Porsche Cayman with 13 L/100km. The difference is about 10.7 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 clearly more power – delivering 500 HP compared to 196 HP. That’s roughly 304 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 Vauxhall Astra Sports Tourer takes 7.7 s. That’s about 4.3 s quicker.

There’s also a difference in torque: the Porsche Cayman delivers somewhat more torque with 450 Nm compared to 360 Nm. That’s about 90 Nm more.

Astra Sports Tourer

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: Vauxhall Astra Sports Tourer offers more seats – 5 vs 2.

In terms of curb weight, Vauxhall Astra Sports Tourer is marginally lighter – 1,438 kg compared to 1,490 kg. The difference is around 52 kg.

Looking at boot space, the Vauxhall Astra Sports Tourer offers considerably more boot space – 597 L compared to 184 L. That’s a difference of about 413 L.

When it comes to payload, the Vauxhall Astra Sports Tourer carries significantly more – 502 kg compared to 281 kg. That’s a difference of about 221 kg.

Who wins the race in the data check?

The Vauxhall Astra Sports Tourer is decisively ahead 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 £30,000
Astra Sports Tourer

Vauxhall Astra Sports Tourer

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 130 - 196 HP
  • Consumption L/100km : 2.3 - 5 L/100km
  • Consumption kWh/100km : 15.6 kWh/100km
  • Electric Range : 82 - 445 km
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Frequently compared as well

Opel Astra Sports Tourer
Peugeot 308 SW
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Opel Astra Sports Tourer
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Vauxhall Astra Sports Tourer
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Vauxhall Astra Sports Tourer

The Opel Astra Sports Tourer blends family-friendly practicality with a sleek, grown-up wagon silhouette that manages to be both useful and unexpectedly stylish. It’s an easy car to live with — comfortable, well put together and clever with space — a sensible choice for buyers who want everyday versatility without fuss.

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Reviews Vauxhall Astra Sports Tourer

4.4 (1 Reviews)
rate
Karl erik nilsson
18 Apr 2026, 22:29:44

Handsome and great value — no unnecessary luxury. Comfortable on the road and in the seats. A lot of car for the money; a vehicle you can trust.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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 Porsche Cayman

No reviews yet. Share your experience and help others decide.

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Kia Ceed Sportswagon
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Vauxhall Astra Sports Tourer
Porsche Cayman

Costs and Consumption
Price
30,000 - 39,600 £
Price
136,000 £
Consumption L/100km
2.3 - 5 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
15.6 kWh/100km
Consumption kWh/100km
-
Electric Range
82 - 445 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 132 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Estate
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
1,438 - 1,765 kg
Curb weight
1,490 kg
Trunk capacity
466 - 597 L
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,859 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
434 - 502 kg
Payload
281 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
130 - 196 HP
Power HP
500 HP
Acceleration 0-100km/h
7.7 - 10.6 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
230 - 360 Nm
Torque
450 Nm
Number of Cylinders
3 - 4
Number of Cylinders
6
Power kW
96 - 144 kW
Power kW
368 kW
Engine capacity
1,199 - 1,598 cm3
Engine capacity
3,996 cm3

General
Model Year
2026
Model Year
2021
CO2 Efficiency Class
C, B, D, A
CO2 Efficiency Class
G
Brand
Vauxhall
Brand
Porsche
Is the Vauxhall Astra Sports Tourer offered with different drivetrains?

Available configurations include Front-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.