HAMMERHEAD by Dale Earnhardt Jr. Hot Wheels review CGR Garage features the custom HotWheels car designed by famous race car driver, Dale Earnhardt Jr. This slick, fictional car has a giant orange windshield, silver interior and Batmobile styling which stands out from the crowd. Is Hot Wheels going to make Hammerhead a real car so that we can actually drive this thing? Hammerhead video review features Hammerhead custom automobile from Hot Wheels by Mattel.