Learn more about the new Lexus RX 450h at Auto Loan Daily. Whether you're browsing or in full purchase mode our buyer's guide can help you get the information you want on each new car trim. The new Lexus RX 450h is available with a starting price of $45,235 but can reach prices of $47,310 based on various packages, options, and your trim selection. For those worried about fuel economy you should know that the base model new Lexus RX 450h gets 32 miles per gallon in the city and 28 miles per gallon when cruising on the highway. Select a trim below to learn more about the new RX 450h today.