Editor's note: This location will only sell used cars. Customers may have the option to have a new Toyota transferred from a Maryland or Wisconsin location, a spokesperson for CarMax said in an email.  CarMax expects to open the last week of April at 1441 N. Central Expressway, McKinney. This location will sell and purchase used cars. The McKinney location will be CarMax's 190th store nationwide and 18th store in Texas. www.carmax.com