Pros and Cons of Refinancing a Car Loan

I want to hear from certified financial planners and other experts, especially from Long Island the NY metro area…what are the pros and cons of refinancing a car loan? A new survey shows that people who refinance car loans can save around $1,300 a year. Since interest rates have been so low for so long, and car loans tend to be 4, 5 or 6 years at the most, is this really that big a factor? Who is likely to benefit most from refinancing a car loan, and why? Need concrete numbers of how much can be saved, and more.