AOA Pakwheelers...

I wana change the tyres on my ride. The rims r stock and the tyres are SIGNA (neva heard ov it ) 185/70/13...
>> Which tyres shld i get nd wht profile.. Shld i go for 195 or evn 205??

>> Wht is the price difference in 13 and 15inch tyres??

>> Agar rim 15" lagwaalon tu koi faida bhi hoga ya sirf shaskay??