1) The car has to be within 7 years old to enjoy a reasonably good rate with car used as security. 2 r9 y0 c; f% J3 G5 F6 v' U# @2) Depends on your credit history and credit score. / b1 P4 d4 c8 A3 r* Y$ N# q3) Depends on your relationship with the financial institution. % k1 y% u- `! P8 ]. a7 o+ K5 {& M4) The only advantage you have is that you pays the cash, and can discount that from the seller. # t4 E6 X2 Z6 W& o# u" r' d5) For cars more than 7 years old, the interest can be significantly higher because the collateral value is hard to assess. Good luck.