Who stands behind their used cars with a Bumper to Bumper Warranty? Deery Brothers does! The Deery Brothers GOLD Limited Warranty provides Bumper to Bumper mechanical coverage on used vehicles* for 30 days or 1,000 miles, whichever comes first, from the date of purchase (some exclusions apply). The Deery Gold Warranty excludes items noted on inspections as not repaired. Customer acknowledgment of these excluded items at time of purchase to qualify. Qualifying vehicles must be purchased with less than 70,000 miles and have a model year within 3 years of the current calendar year.