(FILES) This file photo taken on January 11, 2015 shows the Buick logo as General Motors reveals the Buick Avenir Concept vehicle on the eve of The North American International Automobile Show in Detroit, Michigan. US auto sales pulled away from a weak start to the year in April, with analysts forecasting a historically stong month and a record-shattering 2016. Solid job growth, low gasoline prices and easy credit lured shoppers to showrooms as spring weather got underway, a harbinger of the summer vacation driving season ahead. / AFP PHOTO / JEWEL SAMADJEWEL SAMAD/AFP/Getty Images