Don't know about Charlotte, there are a few great ones around Greenville, SC where I live. Took my 2 day old 2012 Focus to one and have no complaints. If you're ever down this way, I can recommend a few...
EX Zetec Crew #44
2003 Focus ZX3 -- RIP
Sonic Crew #24 -- 2012 Focus HB SE - Traded
Upgraded Sonic Crew #24 -- 2014 Focus ST