Annual wages for CarMax employees vary based on each individual employee's position, location and experience. An automotive technician or mechanic can make anywhere from $24,227 to $68,150 per year as of 2014. Customer service representatives can make between $19,219 and $41,075, according to PayScale.com.
Positions that involve sales often have the widest range in salaries. A sales consultant who focuses on selling CarMax inventory can earn as little as $17,608 to as much as $82,799 per year. This figure includes any base salary and bonuses or commissions. CarMax employees may also qualify for benefits, such as insurance or retirement plans, which are not included in salaries.