1) The car has to be within 7 years old to enjoy a reasonably good rate with car used as security. 8 x E1 |: w- [8 y2) Depends on your credit history and credit score. # Z$ ~: ]; M$ b0 Q/ C3) Depends on your relationship with the financial institution. ' k; v% ?' R+ B& ]$ L! B. X4) The only advantage you have is that you pays the cash, and can discount that from the seller. # p: o# E- P0 B- ~- W0 O/ _4 b5) For cars more than 7 years old, the interest can be significantly higher because the collateral value is hard to assess. Good luck.