Hyundai Motor India — mileage

Address:

Thrissur, Kerala

Hello

This is regarding my 120 which i brought before 4months only when i checked with dealer and in google it's showing mileage 18 but when im using now it's giving 8 910 dats all so im really fedup which u ppl told 18 but in high way also it's giveing 14 so im not satisfied for wat i got i'm wasting my money in petrol only no mileage ntg so kindly take a complent and kindly do something...