Lexus advises many different pressures for this car on 215x17 45 tyres. e.g. (kPa with lb/sq in. in parentheses)
230 - 230 (33 - 33) for ordinary driving
250 - 250 (36 - 36) with more people
280 - 310 (41 - 45) for fast driving
330 - 350 (48 - 51) for fast driving fully loaded For driver only, fast driving, what have you found best for handling? Those higher pressures seem a little unbalanced to me, given the car is nose-heavy. I would have thought something like 290 (42) all round. I have not had the car long and have not yet experimented a lot so some guidance may assist.