Should the Porsche Cayenne use 95 or 98 octane gasoline?

[AlanaAnn]

Official data from Porsche indicates that the Cayenne should use 95 octane gasoline or higher. This means that the Porsche Cayenne can use either 95 or 98 octane gasoline. Below is some relevant information about the Porsche Cayenne: 1. Exterior: The Porsche Cayenne features a stylish and dynamic design, with smooth and complete body lines that exude a strong sporty vibe. Netizens describe it as "tall and imposing, with a commanding presence at the front." 2. Performance: The Cayenne S Hybrid is equipped with a 3.0-liter turbocharged V6 engine and a synchronous electric motor, delivering a combined system output of 380 horsepower. It can reach a top speed of 242 km/h and accelerate from 0 to 100 km/h in just 6.5 seconds. Additionally, it boasts a fuel consumption of only 8.2 liters per 100 km and CO2 emissions as low as 193 grams per kilometer.

[DeRobert]

As someone who frequently deals with various sports cars, I prefer to use 98-octane gasoline when driving a Cayenne. Although the manufacturer states that 95-octane is also acceptable, Porsche's turbocharged engines have a high compression ratio, and 98-octane offers better anti-knock performance. Especially when driving uphill on mountain roads in the summer, 98-octane ensures the engine remains in optimal condition and reduces the risk of knocking. However, 95-octane is significantly cheaper, and using it occasionally for city commuting is not a big issue. For long-term use, though, 98-octane is recommended to better protect the engine.

[DelKathryn]

I've noticed many Cayenne owners share this confusion. In fact, the recommended fuel grade is clearly labeled on the inside of the fuel filler cap - most new Cayenne models specify '98 (RON)'. After checking the technical manual, I can confirm 98 octane fuel allows the engine to perform at its full potential, especially delivering sharper throttle response during acceleration. While using 95 octane as a temporary solution is acceptable, prolonged use may reduce ignition efficiency. Considering you've already invested several hundred thousand in the vehicle, spending a few dozen extra yuan per fill-up for premium fuel is really a negligible cost.

[Calvin]

Last week, I accompanied a friend to pick up a Cayenne S and specifically asked the salesperson this question. The salesperson said the manufacturer requires at least 95-octane fuel but strongly recommends 98-octane. Higher-octane gasoline is particularly important for turbocharged engines as it protects the high-pressure fuel pump and injectors. I've driven a Cayenne fueled with 95-octane compared to 98-octane, and there is indeed a subtle difference during hard acceleration—the throttle response feels more immediate with 98-octane. If you frequently engage in spirited driving, it's advisable to stick with 98-octane for better reliability.