The 2014 Lincoln MKZ has been named a Best Value vehicle by the United Services Automobile Association (USAA), a group that offers financial services to the U.S. military community and their families. The 2014 MKZ was named the top vehicle in the Midsize Luxury category in USAA’s fourth-annual Best Value vehicles list, which uses quantitative data to evaluate vehicle safety, reliability, affordability, and other key factors. With its standard 2.0-liter EcoBoost engine rated at 33 mpg highway and a Top Safety Pick+ award from the Insurance Institute for Highway Safety, the 2014 Lincoln MKZ is one of the most affordable and efficient luxury sedans on the market. “Every 2014 Best…