Check mo mileage (mas malaki mas matendi ang gamit o malayo na ang travel distance nya). Good condition of air conditioner. No history of engine overhaul (ok lang top overhaul). No bad combustion (black smoke). Properly functioning all electronics ie mga lights etc. Anything else is ikaw na bahala kung ano preference mo, I mean kung ok lang sayo may basag ang salamin, din go yan ang preffered mo.