All cars wheel fitment and tire size guide

Lexus GS450H wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Lexus GS450H 3,5L
2006	18x8.0	45	5x114.3	245/40R18
2006	18x8.0	45		245/40R18 front
2007	18x8.0	45	5x114.3	245/40R18
2007	18x8.0	45		245/40R18 front
2008	18x8.0	45	5x114.3	245/40R18
2008	18x8.0	45		245/40R18 front
2009	18x8.0	45	5x114.3	245/40R18
2009	18x8.0	45		245/40R18 front
2010	18x8.0	45	5x114.3	245/40R18
2010	18x8.0	45		245/40R18 front
Lexus GS450H 3.5 Hybrid
2007	18x8.0	45	5x114.3	245/40R18
2008	18x8.0	45	5x114.3	245/40R18
2009	18x8.0	45	5x114.3	245/40R18
2010	18x8.0	45	5x114.3	245/40R18
2011	18x8.0	45	5x114.3	245/40R18
2012	18x8.0	45	5x114.3	245/40R18
2013	18x8.0	45	5x114.3	245/40R18

Wheel size Lexus GS450H:
PCD 5x114.3 diametr 18, width 8J, offset 45. Similar to Lexus GS IV (GRL1, GWL1) 350 AWD 2018

Tire size 18 to 18, width 245 to 245 and tire aspect 40 to 40.
Smallest tire size: 245/40R18, Largest: 245/40R18.