Lexus GX vs Porsche Cayenne

The Lexus GX starts from $119,950 before on-road costs, while the Porsche Cayenne opens at $138,800. That makes the Lexus GX the more affordable entry point by $18,850.

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 $131,945 and $152,680 respectively.

Over 5 years, the running costs favour the Porsche Cayenne by roughly $2,710 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 Lexus GX features a 14-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 Lexus GX stands out with wireless Apple CarPlay/Android Auto, wireless charging and ventilated seats that you will not find on the Porsche Cayenne. The Porsche Cayenne counters with Apple CarPlay, panoramic roof and BOSE audio. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Lexus GX gets synthetic leather upholstery while the Porsche Cayenne offers leather. Climate control is 3-zone in the Lexus GX and 2-zone in the Porsche Cayenne.

The Lexus GX uses a Petrol producing 260kW and 650Nm of torque, sent through a 10-speed auto to a 4WD layout. It covers the 0-100km/h sprint in 7 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.

Power output is identical on paper, so the difference comes down to tuning, weight distribution, and suspension. In the real-world sprint, the Porsche Cayenne is 1.0s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Lexus GX measures 5,015mm long on a 2,850mm wheelbase, 85mm longer than the Porsche Cayenne at 4,930mm (2,895mm wheelbase). The longer wheelbase on the Porsche Cayenne generally means more rear legroom.

Boot space is 390L in the Lexus GX and 698L in the Porsche Cayenne, giving the Porsche Cayenne a 308L advantage. The Lexus GX seats 7 vs 5.

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 $3,506/year for the Lexus GX and $2,964/year for the Porsche Cayenne. That is a $542 annual difference in favour of the Porsche Cayenne.

Estimated annual total: $3,506 (Lexus GX) vs $2,964 (Porsche Cayenne). The Porsche Cayenne saves you roughly $542 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

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