i cannot remember exactly what are problems of 01 because i have not been to IS300 forums for a while. check out
my.IS - Lexus IS Forum for more information. i just remember i read about the ECU, stereo, and transmission issue about 01 before.
my 02 has 70k miles and have not had any major problem yet besides one faulty oxygen sensor (that sucker got 4 of them) and air condition gets slightly warm compare to before. all power window or lock still functions well unlike bmw lol. my manual is300 gets about 22 mpg very consistently and i think automatic would get about 20 average. all females (young or old) loves it
i brought mine used in 06 with 49k miles