1819 Should You Buy A Car That Was Raced As A Daily Driver

2005 Chevy Malibu no high gear on transmission. 2009 Dodge Challenger was raced now wants to be a daily driver. Good buy or not? 2016 Ford Transit Van hard to start. E350 Ford Van dome lamp stays on. 2006 Freightliner using stop leak like K-Seal to fix radiator. 2018 Jeep Grand Cherokee Start Stop tech problem. 1970 Ford F250 gauges don't work. 2007 Caddy DTS is it a good car?