2013 Infiniti M37 w/Navi The CARFAX BuyBack Guarantee is included. The M strikes an unusual mix of luxury. economy and sportiness that's unmatched in this class. with strong powertrains. nimble handling and a quiet. refined interior. Its styling looks at once traditional yet flamboyant. and some will prefer the straightforward interior design to the screen-based systems in other luxury vehicles. We are Group 1 Automotive – An International Fortune 500 and The 3rd Largest Automotive Retailer in the United States.