One of just 234 four-speed Hemi Road Runners built for 1969, this numbers-matching, 2015-restored coupe heads to Mecum's Nashville sale as Hagerty's guide shows just how far Hemi values have climbed.

Hot on the heels of Arizona’s classic car extravaganza comes Mecum’s biggest auction of the year – and reputedly the largest collector-car auction anywhere – the 10-day sale in Kissimmee, Florida, ...