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Alfa Romeo Stelvio vs Porsche Cayman comparison

Compare performance (210 HP vs 500 HP), boot space and price (51,900 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Stelvio or Porsche Cayman?

Alfa Romeo Stelvio vs Porsche Cayman: Key differences

Alfa Romeo Stelvio

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  • significantly cheaper
  • substantially more efficient
  • considerably more trunk space

Porsche Cayman

  • considerably more power
  • significantly quicker 0–100 km/h
  • clearly lighter

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

Stelvio

Costs and Efficiency:

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

Alfa Romeo Stelvio is significantly cheaper – starting at 51,900 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 84,086 £.

Fuel consumption also shows a difference: the Alfa Romeo Stelvio uses 6 L/100km and is substantially more efficient than the Porsche Cayman with 13 L/100km. The difference is about 7 L/100km.

Cayman

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Porsche Cayman offers considerably more power – delivering 500 HP compared to 210 HP. That’s roughly 290 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 Alfa Romeo Stelvio takes 6.6 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the Alfa Romeo Stelvio delivers marginally more torque with 470 Nm compared to 450 Nm. That’s about 20 Nm more.

Stelvio

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: Alfa Romeo Stelvio offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is clearly lighter – 1,490 kg compared to 1,820 kg. The difference is around 330 kg.

Looking at boot space, the Alfa Romeo Stelvio offers considerably more boot space – 525 L compared to 184 L. That’s a difference of about 341 L.

When it comes to payload, the Alfa Romeo Stelvio carries significantly more – 590 kg compared to 281 kg. That’s a difference of about 309 kg.

Who wins the race in the data check?

The Alfa Romeo Stelvio 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 £51,900
Stelvio

Alfa Romeo Stelvio

  • Engine Type : Diesel
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 210 HP
  • Consumption L/100km : 6 L/100km
Alfa Romeo Stelvio
Porsche Cayman

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

Alfa Romeo Stelvio

The Alfa Romeo Stelvio combines Italian artistry with sporty performance, making it a standout in the SUV market. Its dynamic design captures the essence of elegance and agility, while the interior offers a driver-focused experience that enhances every journey. With a perfect blend of luxury and power, the Stelvio is ideal for those seeking both style and substance on the road.

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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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Alfa Romeo Stelvio
Porsche Cayman

Costs and Consumption

Price
51,900 - 56,700 £
Price
136,000 £
Consumption L/100km
6 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
157 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body

Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
1,820 kg
Curb weight
1,490 kg
Trunk capacity
525 L
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,903 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
590 kg
Payload
281 kg

Engine and Performance

Engine Type
Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
210 HP
Power HP
500 HP
Acceleration 0-100km/h
6.6 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
470 Nm
Torque
450 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
154 kW
Power kW
368 kW
Engine capacity
2,143 cm3
Engine capacity
3,996 cm3

General

Model Year
2,025
Model Year
2,021
CO2 Efficiency Class
F
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Porsche
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.