golf558

I went to buy a 1998 Arosa 1400 petrol yesterday when i got there the looked nice but it wouldn't start has anybody got any ideas of what it could be or any thing common on arosa or lupos sorry for the lack of any information I can call the person selling the car to ask them more questions but weather I would get the truth from them as they are selling the car Thank you for any help of what i should look for befor i buy