if it wasnt abused? hello im looking at a 2002 lexus gs 300 it has 99000 miles on it and there asking for 12500 i was told to check the water pump and timing belt how much does it cost for a new timing belt and if i put a thousand dollars into the car is there anyway it would run for another maybe 90000 miles thanks

Lexus vehicles are made by Toyota. If treated well, you should get at least 200,000 miles out of it.