2018 Lexus IS Tire Pressure & Sizes
On this page you can first find a list of the trims for the 2018 Lexus IS along with the tire sizes you can expect to find on them.
Once you have your correct tire size you can then scroll down to the pressures chart and cross-reference it to find the recommended front and rear pressure rating.
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Trims & Tire Sizes
Tire Pressures
Best Winter Tires
Best Summer Tires
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Best All Terrain Tires
2018 Lexus IS Trims
Lexus IS models built during 2018 were offered in the following trims with these tire sizes fitted as standard.
| Trim Name | Tire Size/s |
|---|---|
| 300 |
|
| 300 AWD |
|
| 300 F Sport |
|
| 300 F Sport AWD |
|
| 350 |
|
| 350 F Sport |
|
2018 IS Tire Pressures By Size
Lexus IS models built in 2018 with the following tire sizes are recommended to be kept at the following pressures.
| Tire Size | Front | Rear |
|---|---|---|
|
F: 225/40R18 88W
R: 255/35R18 90W |
36 PSI | 36 PSI |
| 225/45R17 91V | 36 PSI | 36 PSI |
What Do These Numbers Mean?
When comparing tires you will find that they display various numbers and codes along the edges.
These numbers help you choose the right tire (size and speed rating) for your car and the following image shows you what each of them mean:
