Dale Earnhardt Jr.'s favorite car of all-time might just surprise you when you find out it wasn't a car at all.

Dale Earnhardt Jr. watched JR Motorsports driver Justin Allgaier win the NASCAR Nashville Xfinity race, who celebrated with his own daughters.

Adam Alexander (from left), Dale Earnhardt Jr. and Steve Letarte will call the NASCAR Cup Series Chicago Street Race on Sunday for TNT.

Earnhardt was one of the most acclaimed drivers in the National Association for Stock Car Auto Racing (NASCAR) during the 1980s and 1990s. In total, he had 76 NASCAR Cup Series victories.