As we head into 2015, now just may be the best time to score a deal on financing a car. Chrysler's 'Big Finish 2014' sales event offers zero percent financing for up to 72 months on select 200, 300 and Country models. Not to mention, no down payment, security deposit or first month's payment needed. As for Toyota, its 'Toyotathon' event offers zero percent APR for up to 48 months on the 2015 Corolla model. For Nissan, you can score zero percent APR for five years on its Altima car or up to $1,000 in loyalty cash on select models. MainStreet's Scott Gamm shares details about the best loan auto finance deals and tips on how to save money on your next car loan.