The Honda Accord and Civic are the two best-selling cars with under-35 buyers over the past 11 years, according to Honda analysis of cumulative registration data from IHS Automotive.1 The Accord and Civic - which were also the top retail-selling cars in their respective segments in 2013 and 20142 - with combined registrations of more than one million vehicles in the U.S. to "Millennials" from 2004-20141, more than any other two cars across the industry. Either Civic or Accord has held the top spot in retail car sales to under-35 buyers in each of the past 11 years.