195/50/15 tyres and tram-lining

[freerange7]

I have a bit of tram-lining from my car and my girlfriends car has not, same size tyres.
Could it be the cheap tyre brand or is this a steering problem?
I have checked the wheels to see if they are the correct application for the car and offset.

[freerange7]

KUMHA ecsta 195/50/15
Rimstock wheels
Just purchased the car, do not know when alignment was last checked.
Do not remember the offset.
30psi all round.

The front tyres were unevenly worn, insides more than the outside edge, now on the back of the car.

[freerange7]

No the car is not lowered at present, I will try the 26 to 28psi adjustment first.
Secondly I will get the tracking set up properly as suggested.
Later the car will be lowered and a set of sticky tyres will be mounted on hopefully PRO RACE 2 wheels in Matt black by rimstock as they are doing a deal at the moment.
Thanks for all the help.

[freerange7]

Just had the tracking done at Tyreland, tyres at correct PSi as suggested.
Brilliant
Thanks for all the help.