Track Day (cold)
Lexus IS — Track Day (cold) Tire Pressure
For track day (cold) use on the Lexus IS, set cold pressures to 31 PSI front and 34 PSI rear.
Track Day (cold) cold pressure
Front
31
214 kPa
-4 vs OEM
Rear
34
234 kPa
-4 vs OEM
OEM spec
35/38 PSI
Tire size
225/40R18
Curb weight
1,595 kg
Category
sedan
Tires gain 4–6 PSI when hot on track. Start 4 PSI below street to land near the ideal 36–38 PSI hot window.
Community-tuned pressures based on OEM spec + typical use-case deltas. Always verify against your door-jamb sticker for your exact trim and load rating. Minimum safe pressure is 24 PSI for most passenger tires.
Other setups for this IS
FAQ
Frequently asked
- What tire pressure should I use for track driving in the Lexus IS?
- For track day (cold) use on the Lexus IS, set cold pressures to 31 PSI front and 34 PSI rear. Tires gain 4–6 PSI when hot on track. Start 4 PSI below street to land near the ideal 36–38 PSI hot window.
- What is the OEM tire pressure for the Lexus IS?
- The factory cold pressure spec for the 2021–2024 Lexus IS is 35 PSI front / 38 PSI rear. Always use the door-jamb sticker for your specific trim.
- Why drop the pressure for track use?
- Track tires gain 4–6 PSI of pressure when hot. Starting 4 PSI low (at 31/34 cold) should land you near the ideal 36–38 PSI hot window, where you get the best grip and most even tire wear.
- What is 31 PSI in bar or kPa?
- 31 PSI = 2.1 bar = 214 kPa. The rear 34 PSI = 2.3 bar.
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