BMW X6 vs Porsche Cayenne

The BMW X6 starts from $149,900 before on-road costs, while the Porsche Cayenne opens at $138,800. That makes the Porsche Cayenne the more affordable entry point by $11,100.

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 $164,890 and $152,680 respectively.

Over 5 years, the running costs favour the BMW X6 by roughly $3,845 in fuel alone.

ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.

The BMW X6 features a 14.9-inch touchscreen paired with a 12.3-inch digital dash, while the Porsche Cayenne gets a 12.3-inch display and 12.6-inch instruments. Apple CarPlay and Android Auto are standard across both.

The BMW X6 stands out with wireless Apple CarPlay/Android Auto, wireless charging, ventilated seats, Harman Kardon audio and ambient lighting that you will not find on the Porsche Cayenne. The Porsche Cayenne counters with Apple CarPlay and BOSE audio. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the BMW X6 gets sensatec synthetic leather upholstery while the Porsche Cayenne offers leather.

The BMW X6 uses a Diesel producing 219kW and 670Nm of torque, sent through a auto to a AWD layout. It covers the 0-100km/h sprint in 4.8 seconds.

The Porsche Cayenne responds with a Petrol making 260kW and 500Nm, paired to a 8-speed auto driving all four wheels. It gets to 100km/h in 6 seconds.

The Porsche Cayenne has the clear power advantage at 260kW vs 219kW. In the real-world sprint, the BMW X6 is 1.2s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The BMW X6 measures 4,960mm long on a 2,975mm wheelbase, 30mm longer than the Porsche Cayenne at 4,930mm (2,895mm wheelbase). The longer wheelbase on the BMW X6 generally means more rear legroom.

Boot space is 580L in the BMW X6 and 698L in the Porsche Cayenne, giving the Porsche Cayenne a 118L advantage.

For towing, the Porsche Cayenne leads with a 3,500kg braked capacity vs 3,500kg. That 0kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $2,195/year for the BMW X6 and $2,964/year for the Porsche Cayenne. That is a $769 annual difference in favour of the BMW X6.

Estimated annual total: $2,195 (BMW X6) vs $2,964 (Porsche Cayenne). The BMW X6 saves you roughly $769 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years / 999,999km (BMW X6) vs 3 years / 999,999km (Porsche Cayenne). The BMW X6 has longer coverage.