It is recommended that a 2008 Lexus uses premium gasoline. A Lexus has a high performance engine and will run better with a better quality of gas.
The 2008 Lexus IS-F is a gas-powered vehicle.
The 2008 Lexus IS-350 is a gas-powered vehicle.
The 2008 Lexus IS-250 is a gas-powered vehicle.
PREMIUM
The 2008 Lexus GS-350 is a gas-powered vehicle.
The 2008 Lexus ES-350 is a gas-powered vehicle.
The 2008 Lexus LS-460 is a gas-powered vehicle.
The 2008 Lexus LX-570 is a gas-powered vehicle.
The 2008 Lexus RX-350 is a gas-powered vehicle.
at least 91 octane
Use 91 octane or higher octane rating premium gas for the 2009 Lexus RX350
book says regular.