Download GS350/GS430 online owner’s manual below in PDF format. The Lexus GS350 and Lexus GS450 were variants of the Lexus GS Series, which started with the Lexus GS300. The GS350 and GS450 share an owner’s manual. The primary difference between the two vehicles is the engine. The GS350 has a 3.5L high output V6, while the GS430 has a 4.3L V8 with more horsepower.
Click on the link associated with the year model you’re looking for, and then simply click on the download button — the manual will automatically download to your computer. You’ll need a PDF reader, such as Adobe Acrobat or Foxit to view and print the document. You can also use the Google Docs viewer to read the Lexus GS350/GS430 manual.