Benchmark Transmission understands how important our customers' peace of mind is to them. This is why our ATRA automatic transmission repair shop — proudly serving the Delaware community stands behind the quality of the work our professionally trained staff offers to each one of our customers who choose us to work on their automatic transmission. As an ATRA transmission shop serving our Delaware customers, Benchmark Transmission is able to offer our customers the ATRA Golden Rule Warranty! Available in Newark, New Castle And Middletown. The Golden Rule Warranty is a nationwide warranty protection plan issued and serviced only by authorized ATRA members in good standing with ATRA — transmission repair shops like Benchmark Transmission! ATRA is the largest network of automatic transmission repair shops in the world, making the Golden Rule warranty the most widely accepted warranty of any chain or franchise!