electric seats cumz in all packages, bt smart key and beige interior cumz in G prem and if u asking abt 2500 thn it depends sumtimes it cums in g package n sumtimes it dont, it happened wid me i bought a GS pg bt it was simple G, so sumtimes it happens
if supercharger will b mention on invoice thn the duty will b increase frm 3 to 4 lacks