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Vauxhall Astra Sports Tourer vs Porsche Cayman comparison

Compare performance (196 HP vs 500 HP), boot space and price (30000 £ vs 136000 £ ) 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

  • convincingly cheaper
  • decisively more efficient
  • barely noticeable lighter
  • clearly more trunk space

Porsche Cayman

  • convincingly more power
  • convincingly quicker from 0–100 km/h

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 has a convincingly advantage in terms of price – it starts at 30000 £ , while the Porsche Cayman costs 136000 £ . That’s a price difference of around 106037 £.

Fuel consumption also shows a difference: Vauxhall Astra Sports Tourer manages with 2.30 L and is therefore decisively more efficient than the Porsche Cayman with 13 L. The difference is about 10.70 L per 100 km.

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 Porsche Cayman has a convincingly edge – offering 500 HP compared to 196 HP. That’s roughly 304 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayman is convincingly quicker – completing the sprint in 3.40 s, while the Vauxhall Astra Sports Tourer takes 7.70 s. That’s about 4.30 s faster.

There’s also a difference in torque: Porsche Cayman pulls slightly stronger with 450 Nm compared to 360 Nm. That’s about 90 Nm difference.

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 decisively more seating capacity – 5 vs 2.

In curb weight, Vauxhall Astra Sports Tourer is barely noticeable lighter – 1438 kg compared to 1490 kg. The difference is around 52 kg.

In terms of boot space, the Vauxhall Astra Sports Tourer offers clearly more room – 597 L compared to 184 L. That’s a difference of about 413 L.

When it comes to payload, Vauxhall Astra Sports Tourer convincingly takes the win – 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 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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Opel Astra
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
from about £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
  • Consumption kWh/100km : 15.60 kWh
  • Electric Range : 82 - 445 km
details

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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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 Opel Astra Sports Tourer

Reviews Porsche Cayman

Vauxhall Astra Sports Tourer
Porsche Cayman

Costs and Consumption
Price
30000 - 39600 £
Price
136000 £
Consumption L/100km
2.3 - 5 L
Consumption L/100km
13 L
Consumption kWh/100km
15.60 kWh
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
1438 - 1765 kg
Curb weight
1490 kg
Trunk capacity
466 - 597 L
Trunk capacity
184 L
Length
-
Length
4456 mm
Width
1859 mm
Width
1822 mm
Height
-
Height
1267 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
3.40 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
1199 - 1598 cm3
Engine capacity
3996 cm3

General
Model Year
2026
Model Year
2021
CO2 Efficiency Class
C, B, D, A
CO2 Efficiency Class
G
Brand
Vauxhall
Brand
Porsche

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What drive types are available for the Vauxhall Astra Sports Tourer?

Available configurations include Front-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.