one thing you want to do is keep your oil changed at 2500-3000 mls. and if your loosing gas milage your plugs,air filter,wires,gas filter even keep an eye on tire pressure don't go by what it sais on tire go by what the car sais to run them at that's for milage and wear and tear also and put some seafoam in it about once a moth. i'm sure others on here will tell you more.