Here are Chevrolet Colorado transmission problems, by model year. The most common Colorado transmission problems cost $300 to fix & occur at 6,000 miles. Regarding the worst model year 2015 Chevrolet Colorado transmission problems, "The 2015 Chevy Colorado has a significant trend of transmission problems." Click on a year below.

Worst Transmission Problems
very sluggish/starts chugging/won't downshift 2015 Chevrolet Colorado
not shifting properly 2016 Chevrolet Colorado
not shifting properly 2015 Chevrolet Colorado