Lexus RZ vs Porsche Cayenne
A detailed look at how two of Australia's most popular SUVs compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Price Breakdown
The Lexus RZ starts from $135,000 before on-road costs, while the Porsche Cayenne opens at $138,800. That makes the Lexus RZ the more affordable entry point by $3,800.
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 $148,500 and $152,680 respectively.
The Lexus RZ qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Porsche Cayenne, as a petrol model, does not qualify.
Safety Rundown
Both the Lexus RZ and Porsche Cayenne hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The Porsche Cayenne packs more ADAS features with 7 out of 10 key systems fitted, compared to 5 in the Lexus RZ.
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 Lexus RZ misses.
Feature Showdown
The Lexus RZ features a 14-inch touchscreen paired with a 7-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 RZ stands out with V2L and Mark Levinson audio that you will not find on the Porsche Cayenne. The Porsche Cayenne counters with panoramic roof and BOSE audio. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Lexus RZ gets synthetic leather upholstery while the Porsche Cayenne offers leather.
Drivetrain
The Lexus RZ uses a Electric Motor producing 230kW and 435Nm of torque, sent through a automatic to the wheels. It covers the 0-100km/h sprint in 5 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 5.7 seconds.
The Porsche Cayenne has the clear power advantage at 260kW vs 230kW. In the real-world sprint, the Lexus RZ is 0.7s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Lexus RZ measures 4,805mm long on a 2,850mm wheelbase, 125mm shorter 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 522L in the Lexus RZ and 698L in the Porsche Cayenne, giving the Porsche Cayenne a 176L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.2m to 12.1m
Based on 11.2m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 12.1m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Running cost data is not yet available for both models. We will update when figures are confirmed.
Warranty: 5 years / 999,999km (Lexus RZ) vs 3 years / 999,999km (Porsche Cayenne). The Lexus RZ has longer coverage.
Who Should Buy Which?
Buy the Lexus RZ if: You want the lower entry price, value a longer warranty, or prefer Lexus's approach to design and ownership experience.
Buy the Porsche Cayenne if: You prioritise performance, need more boot space, or prefer Porsche's approach to design and ownership experience.
The Verdict
The Lexus RZ takes 4 of 6 key spec categories and comes in at a lower price. If boot space matters, the Porsche Cayenne has a clear edge. The Lexus RZ adds peace of mind with a longer 5-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Lexus RZ and Porsche Cayenne?
The Lexus RZ is the cheapest at $135,000 before on-road costs. That undercuts the Porsche Cayenne by $3,800.
Which is the most fuel-efficient?
The Porsche Cayenne uses the least fuel at 12.2L/100km on the combined cycle.
Which is safest?
They are evenly matched — Lexus RZ and Porsche Cayenne all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Porsche Cayenne has the largest boot at 698L.
Which can tow the most?
The Porsche Cayenne has the highest braked towing capacity at 3,500kg.
Which has the best warranty?
The Lexus RZ has the longest warranty at 5 years / 1000k km.
Which is the most powerful?
The Porsche Cayenne makes the most power at 260kW. The Lexus RZ is quickest to 100km/h in 5s.
Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Auto-generated from CarSorted's specification data · 20 April 2026
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