Porsche Cayenne vs Alfa Romeo Stelvio

The Porsche Cayenne starts from $138,800 before on-road costs, while the Alfa Romeo Stelvio opens at $82,950. That makes the Alfa Romeo Stelvio the more affordable entry point by $55,850.

Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $152,680 and $91,245 respectively.

Over 5 years, the running costs favour the Alfa Romeo Stelvio by roughly $6,695 in fuel alone.

Both the Porsche Cayenne and Alfa Romeo Stelvio hold a 5-star ANCAP safety rating.

Where the two diverge is in active safety technology. Both models are evenly matched with 7 out of 10 key ADAS systems.

Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. The Porsche Cayenne adds a 360-degree camera that the Alfa Romeo Stelvio misses.

Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.

The Porsche Cayenne stands out with head-up display, panoramic roof, heated front seats and BOSE audio that you will not find on the Alfa Romeo Stelvio. The Alfa Romeo Stelvio counters with ventilated seats, Harman Kardon audio and ambient lighting. Which feature set matters more depends on your daily routine and priorities.

The Porsche Cayenne uses a Petrol producing 260kW and 500Nm of torque, sent through a 8-speed auto to a AWD layout. It covers the 0-100km/h sprint in 5.7 seconds.

The Alfa Romeo Stelvio responds with a Petrol making 206kW and 400Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 5.7 seconds.

The Porsche Cayenne has the clear power advantage at 260kW vs 206kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Porsche Cayenne measures 4,930mm long on a 2,895mm wheelbase, 244mm longer than the Alfa Romeo Stelvio at 4,686mm (2,818mm wheelbase). The longer wheelbase on the Porsche Cayenne generally means more rear legroom.

Boot space is 698L in the Porsche Cayenne and 525L in the Alfa Romeo Stelvio, giving the Porsche Cayenne a 173L advantage.

For towing, the Porsche Cayenne leads with a 3,500kg braked capacity vs 1,814kg. That 1,686kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $3,477/year for the Porsche Cayenne and $2,138/year for the Alfa Romeo Stelvio. That is a $1,339 annual difference in favour of the Alfa Romeo Stelvio.

Estimated annual total: $3,477 (Porsche Cayenne) vs $2,138 (Alfa Romeo Stelvio). The Alfa Romeo Stelvio saves you roughly $1,339 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 3 years / 999,999km (Porsche Cayenne) vs 5 years / 150,000km (Alfa Romeo Stelvio). The Alfa Romeo Stelvio has longer coverage.