I have yet to bring my 96 Accord EX in for the dealer check-up service every 15k miles. I replaced my air filter every 15k, trans fluid every 30k, new brakes at 90k, tires at 60k, coolant changed every 30k, new exhaust b-pipe and muffler, timing belt, balance shaft belt, seals, water pump, distributor cap/rotor and spark plug wires at 90k miles. I have never had a break down or mechanical failure whatsoever and at 95k miles the car runs like brand new, so I must be doing something right. I have used all genuine Honda parts, but I did not have the dealer put them on. My oil choise is Valvoline Synpower 10w30 which Ive used since 65k miles.