1) The car has to be within 7 years old to enjoy a reasonably good rate with car used as security. ' q6 [5 Z9 ^8 i+ q) W, [- a* f6 w2) Depends on your credit history and credit score. * p2 ^, n. p6 ~% a; c0 {9 W3) Depends on your relationship with the financial institution. 9 v$ R! ]* u; b. `2 n# ~4) The only advantage you have is that you pays the cash, and can discount that from the seller. ' N8 P6 @9 y0 K' R4 B& J: P5) For cars more than 7 years old, the interest can be significantly higher because the collateral value is hard to assess. Good luck.