Lexus LX 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 LX starts from $172,900 before on-road costs, while the Porsche Cayenne opens at $138,800. That makes the Porsche Cayenne the more affordable entry point by $34,100.
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 $190,190 and $152,680 respectively.
Over 5 years, the running costs favour the Porsche Cayenne by roughly $1,710 in fuel alone.
Safety Rundown
Both the Lexus LX and Porsche Cayenne hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The Lexus LX packs more ADAS features with 8 out of 10 key systems fitted, compared to 7 in the Porsche Cayenne.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Lexus LX stands out with wireless Apple CarPlay/Android Auto, wireless charging, ventilated seats, Mark Levinson 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.
Drivetrain
The Lexus LX uses a Petrol producing 305kW and 650Nm of torque, sent through a automatic to a 4WD layout. It covers the 0-100km/h sprint in 6.7 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 5.7 seconds.
The Lexus LX has the clear power advantage at 305kW vs 260kW. 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.
Space & Comfort
The Lexus LX measures 5,095mm long on a 2,850mm wheelbase, 165mm 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 487L in the Lexus LX and 698L in the Porsche Cayenne, giving the Porsche Cayenne a 211L advantage. The Lexus LX 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.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.6m diameter
Large
Based on 12.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $3,819/year for the Lexus LX and $3,477/year for the Porsche Cayenne. That is a $342 annual difference in favour of the Porsche Cayenne.
Estimated annual total: $3,819 (Lexus LX) vs $3,477 (Porsche Cayenne). The Porsche Cayenne saves you roughly $342 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 4 years / 100,000km (Lexus LX) vs 3 years / 999,999km (Porsche Cayenne). The Lexus LX has longer coverage. Capped-price servicing: 4yr (Lexus LX)—.
Who Should Buy Which?
Buy the Lexus LX if: You prioritise performance, value a longer warranty, or prefer Lexus's approach to design and ownership experience.
Buy the Porsche Cayenne if: You want the lower entry price, need more boot space, want lower running costs, or prefer Porsche's approach to design and ownership experience.
The Verdict
The Porsche Cayenne takes 4 of 6 key spec categories and comes in at a lower price. The Porsche Cayenne will save you roughly $342 a year in fuel. If boot space matters, the Porsche Cayenne has a clear edge. The Lexus LX adds peace of mind with a longer 4-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 LX and Porsche Cayenne?
The Porsche Cayenne is the cheapest at $138,800 before on-road costs. That undercuts the Lexus LX by $34,100.
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 LX 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 Lexus LX has the highest braked towing capacity at 3,500kg.
Which has the best warranty?
The Lexus LX has the longest warranty at 4 years / 100k km.
Which is the most powerful?
The Lexus LX makes the most power at 305kW. The Porsche Cayenne is quickest to 100km/h in 5.7s.
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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