Today most expensive cost for car is PETROL second is regular maintenance. If your car petrol consumption is high you can try look around for Smart Forfour as second car. Yes it’s an economical car, engine maintenance is very simple is not fully electronic system, engine oil SEMI SYNTHETIC and OIL FILTER cost around RM 200 can be done regular maintenance and service. Gearbox oil is about RM 180 4 litre. No power steering oil its is electronic, serpentine belt for air cond compressor, alternator and water pump. not are timing belt yes timing chain. No worry for every eighty thousands kilometre need to change and water pump as well. The only thing need to take care to last long timing chain change engine/filter when its due.