Bro, better is to go for 185/65/R15 with Yokohama Advan DB. I'm using these tyres since last couple of weeks and whenever my family sits with my they usually comment "It feels like it floating on water" which is always pleasent to hear. No road noice, not so hard and not really so soft. It abroad the bump very softly. And, if you talked about about ground clearance? YES!!! It's way much better now than it was. Whenever I cross any speed beaker I always cross it in a crawling way (Just like a snake 
). Now, If 4 people sitting in a car there is nothing need to worry about. Car looks has more enchanced as you can see in pictures.
As you also asked me about a dealership, I have also visited that dealership in Faisal Town and he quoted me Rs7500 for each. And, many of people suggested me to go J.Rashid he quoted me Rs8000 in a receipt as you can see in the picture. So, J.Rashid was bit expensive for me at that times. Otherwise, as I told you J.Rashid don't have manners to deal with customers. However, people says J.Rashid is selling best tyres in Lahore.
Tip: Don't change your tyres from J.Rashid or any shop.
