TABLE- Top-20 selling vehicles in U.S. in April

May 1 (Reuters) - The following are the 20 top-selling vehicles in the U.S. in April as reported by the automakers and ranked by total units. Top 20 selling vehicles in U.S. in April RANK VEHICLE Apr-15 Apr-14 PCT CHNG 1 Ford F-Series P/U 62,827 63,387 -0.9 2 Chevy Silverado-C/K P/U 45,978 42,755 +7.5 3 Ram P/U 37,921 36,674 +3.4 4 Toyota