Bought excited but expectations hurted

Buying experience: It was easy to buy but after buying it look like I did mistake
Riding experience: Engine sound a lot n less power compared to 1500cc cars
Details about looks, performance etc: Company give 25 kmpl but it gives only 18-20 kmpl
Servicing and maintenance: high maintenance coz after Dents on car for a small dents they charged around 9000-10000 thousand But outside I did in 1000-1400
Pros and Cons: Light weight car Used low quality body Get scratches easily as well as dents