Replies to your query,
1,Search Pak wheels,let the price experts comments.
2,It does not comes with FF CNG.
4,I believe there should be no price difference in used cars Auto or manual variants.Only condition is considered.
5,Performance of manual is good but vario is not recommended by experts due to its CVT transmission.
It took me 3 minutes to write this and trust me i couldn't make it more quick than this.