1) The car has to be within 7 years old to enjoy a reasonably good rate with car used as security. 0 C7 x* c0 {. e. t' x C6 E2) Depends on your credit history and credit score. 0 [2 {$ f5 T, ^+ r8 w3) Depends on your relationship with the financial institution. % [2 G7 f. M( M( Y1 l: ~% e4) The only advantage you have is that you pays the cash, and can discount that from the seller. g$ b4 J1 ?4 p5) For cars more than 7 years old, the interest can be significantly higher because the collateral value is hard to assess. Good luck.