2018 Lexus IS Wheel & Tire Sizes
Complete fitment guide for the 2018 Lexus IS: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x114.3 bolt pattern, for every trim.
Bolt Pattern
5x114.3
Centre Bore
60.1 mm
Lug nuts
M12 x 1.5
Torque: 103 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2018 Lexus IS
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 Lexus IS Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 Lexus IS configuration. Trims with different front and rear specs run a staggered setup.
IS300 · Saloon
StaggeredI4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10" |
| Wheel offset | 33–45 mm | 38–45 mm |
| Tire width | 225–235 mm | 255 mm |
IS300 AWD · Saloon
StaggeredV6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 9.5–10" |
| Wheel offset | 33–45 mm | 38–45 mm |
| Tire width | 225–245 mm | 255 mm |
IS350 · Saloon
Staggered3.5L · V6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 7.5–9" | 8.5–10" |
| Wheel offset | 33–40 mm | 38–46 mm |
| Tire width | 225–235 mm | 255–275 mm |
2018 Lexus IS Fitment FAQ
What is the bolt pattern on a 2018 Lexus IS?
The 2018 Lexus IS uses a 5x114.3 bolt pattern (5 lug nuts on a 114.3 mm circle) with a 60.1 mm centre bore.
What size tires fit a 2018 Lexus IS?
Factory (OEM) tire sizes for the 2018 Lexus IS include 225/45R17, 225/45ZR17, 225/40ZR18, 225/35ZR19, 235/35ZR19; staggered rear fitments use 255/35ZR18, 255/30ZR19, 275/30ZR19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 Lexus IS?
Depending on trim, the 2018 Lexus IS accepts wheels from 18" up to 20" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2018 Lexus IS use?
The 2018 Lexus IS uses M12 x 1.5 lug nuts, torqued to 103 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.