Lexus requires that the minimum gas octane rating be 91, which is premium gas. All Lexus coupes, which are high performance cars, require high octane premium gas. The engines of these cars run with a high compression ratio to generate more power. Using regular gas will lead to knocking, which results in engine damages.
Does Lexus IS 300 require premium gas?
Lexus does recommend that You use premium unleaded gasoline in Your IS300, with a MINImum octane rating of 91 or higher. This is generally recommended to give You the full performance and power out of Your car's engine. It is a good idea to always use a higher octane fuel in Your car.
Does the Lexus NX require premium gas?
When it comes time to fill up, the Lexus NX requires premium unleaded gasoline. You should be looking for an octane rating of 91 or higher, to ensure the NX runs efficiently while providing the best possible performance. Any gas used in the NX should not contain any higher than 15% ethanol.
Can I use regular gas in my Lexus?
Most Lexus models will operate efficiently on regular fuel. Other SUVs, including Lexus GX, NX, RX Hybrid, and LX require the use of premium gas. Lexus requires that the minimum gas octane rating be 91, which is premium gas. All Lexus coupes, which are high performance cars, require high octane premium gas.
You must only use unleaded gasoline in the RX, with an octane rating of 87 or higher. This means the Lexus RX does not require premium gasoline, as the premium octane rating is 91 or higher. Of course, you are free to put premium gas in your Lexus RX, as it can provide better performance, but it is not needed.