The 2013 Lexus IS-350 runs on premium unleaded (required).
The 2013 Lexus IS-250 runs on premium unleaded (required).
The 2013 Lexus IS-F runs on premium unleaded (required).
The 2013 Lexus ES-350 runs on regular unleaded.
The 2013 Lexus RX-350 runs on regular unleaded.
The 2013 Lexus CT-200H runs on regular unleaded.
The 2013 Lexus GS-450H runs on premium unleaded (required).
The 2013 Lexus IS-250-C runs on premium unleaded (required).
The 2013 Lexus IS-350-C runs on premium unleaded (required).
The 2013 Lexus GX-460 runs on premium unleaded (required).
The 2013 Lexus LX-570 runs on premium unleaded (recommended).
The 2013 Lexus LS-460 runs on premium unleaded (required).