How large of tire can you put on a RX350

Alternative tire sizes with +3%/-2% total wheel diameter: (WARNING: any wider tires could not fit the fenders and arches, always check it earlier (!) and in most cases you will need new rims, of course) Rim size (in): 19 Alternate tire size: 225/55 R 19 Total wheel diameter (mm / in): 730 / 28.7 Percentage diameter difference to the original (%): -1.5 interline Rim size (in): 19 Alternate tire size: 235/55 R 19 Total wheel diameter (mm / in): 741 / 29.2 Percentage diameter difference to the original (%): 0 interline Rim size (in): 19 Alternate tire size: 245/50 R 19 Total wheel diameter (mm / in): 728 / 28.6 Percentage diameter difference to the original (%): -1.8 interline Rim size (in): 19 Alternate tire size: 255/50 R 19 Total wheel diameter (mm / in): 738 / 29 Percentage diameter difference to the original (%): -0.4 interline Rim size (in): 19 Alternate tire size: 255/720 - 19 Total wheel diameter (mm / in): 738 / 29 Percentage diameter difference to the original (%): -0.4 interline Rim size (in): 19 Alternate tire size: 255/55 R 19 Total wheel diameter (mm / in): 763 / 30 Percentage diameter difference to the original (%): 3 interline Rim size (in): 19 Alternate tire size: 265/50 R 19 Total wheel diameter (mm / in): 748 / 29.4 Percentage diameter difference to the original (%): 0.9 interline Rim size (in): 19 Alternate tire size: 275/45 R 19 Total wheel diameter (mm / in): 730 / 28.7 Percentage diameter difference to the original (%): -1.5 WARNING: wide tire! interline Rim size (in): 19 Alternate tire size: 275/50 R 19 Total wheel diameter (mm / in): 758 / 29.8 Percentage diameter difference to the original (%): 2.3 WARNING: wide tire! interline Rim size (in): 19 Alternate tire size: 285/45 R 19 Total wheel diameter (mm / in): 739 / 29.1 Percentage diameter difference to the original (%): -0.3 WARNING: wide tire! interline Rim size (in): 19 Alternate tire size: 295/45 R 19 Total wheel diameter (mm / in): 748 / 29.5 Percentage diameter difference to the original (%): 0.9 WARNING: wide tire! interline Rim size (in): 19 Alternate tire size: 315/40 R 19 Total wheel diameter (mm / in): 735 / 28.9 Percentage diameter difference to the original (%): -0.8 WARNING: very wide tire!! interline Rim size (in): 20 Alternate tire size: 245/45 R 20 Total wheel diameter (mm / in): 728 / 28.7 Percentage diameter difference to the original (%): -1.8 interline Rim size (in): 20 Alternate tire size: 245/50 R 20 Total wheel diameter (mm / in): 753 / 29.6 Percentage diameter difference to the original (%): 1.6 interline Rim size (in): 20 Alternate tire size: 255/50 R 20 Total wheel diameter (mm / in): 763 / 30 Percentage diameter difference to the original (%): 3 interline Rim size (in): 20 Alternate tire size: 255/45 R 20 Total wheel diameter (mm / in): 738 / 29 Percentage diameter difference to the original (%): -0.4 interline Rim size (in): 20 Alternate tire size: 265/45 R 20 Total wheel diameter (mm / in): 746 / 29.4 Percentage diameter difference to the original (%): 0.7 interline Rim size (in): 20 Alternate tire size: 275/40 R 20 Total wheel diameter (mm / in): 728 / 28.7 Percentage diameter difference to the original (%): -1.8 WARNING: wide tire! interline Rim size (in): 20 Alternate tire size: 285/40 R 20 Total wheel diameter (mm / in): 736 / 29 Percentage diameter difference to the original (%): -0.7 WARNING: wide tire! interline Rim size (in): 20 Alternate tire size: 295/40 R 20 Total wheel diameter (mm / in): 744 / 29.3 Percentage diameter difference to the original (%): 0.4 WARNING: wide tire! interline Rim size (in): 20 Alternate tire size: 315/35 R 20 Total wheel diameter (mm / in): 728 / 28.7 Percentage diameter difference to the original (%): -1.8 WARNING: very wide tire!! interline Rim size (in): 21 Alternate tire size: 245/45 R 21 Total wheel diameter (mm / in): 754 / 29.7 Percentage diameter difference to the original (%): 1.8 interline Rim size (in): 21 Alternate tire size: 265/40 R 21 Total wheel diameter (mm / in): 745 / 29.3 Percentage diameter difference to the original (%): 0.5 interline Rim size (in): 21 Alternate tire size: 285/35 R 21 Total wheel diameter (mm / in): 733 / 28.9 Percentage diameter difference to the original (%): -1.1 WARNING: wide tire! interline Rim size (in): 21 Alternate tire size: 295/35 R 21 Total wheel diameter (mm / in): 740 / 29.1 Percentage diameter difference to the original (%): -0.1 WARNING: wide tire! interline Rim size (in): 22 Alternate tire size: 265/35 R 22 Total wheel diameter (mm / in): 744 / 29.3 Percentage diameter difference to the original (%): 0.4 interline Rim size (in): 22 Alternate tire size: 295/30 R 22 Total wheel diameter (mm / in): 736 / 29 Percentage diameter difference to the original (%): -0.7 WARNING: wide tire! interline Rim size (in): 22 Alternate tire size: 315/30 R 22 Total wheel diameter (mm / in): 748 / 29.4 Percentage diameter difference to the original (%): 0.9 WARNING: very wide tire!! interline Rim size (in): 23 Alternate tire size: 315/25 R 23 Total wheel diameter (mm / in): 742 / 29.2 Percentage diameter difference to the original (%): 0.1 WARNING: very wide tire!! interline

www.tirerack.com/tires/tiretech/techpage.jsp? gclid=Cj0KEQjwi7vIBRDpo9W8y7Ct6ZcBEiQA1CwV2GKTKQ2aDeR HqJUtIqlckqvlPFABlz0QFRlG4dCBLoMaAspZ8P8HAQ&techid=46&s _kwcid=AL!3756!3!182175497210!b!!g!!+tire%20+sizing&ef_id=W N29fQAAAFwVcW19:20170508001431:s