U.S. customers purchased or leased 329,903 cars and trucks from Ford, Mercury, Lincoln, Jaguar, Volvo, and Land Rover dealers in May, down 11.5 percent compared to a year ago.Jaguar reported record May sales of 5,416, up 33 percent compared with a year ago. Land Rover dealers reported record May sales of 3,003, up 26 percent.Sales for the company’s other brands were lower than a year ago. Ford sales declined 11 percent, Mercury sales declined 10 percent, Lincoln sales declined 23 percent, and Volvo sales declined 34 percent. Sales for these brands are expected to improve in the coming months as new products are introduced. Although availability was limited, Ford and Lincoln dealers delivered the first 2003-model Ford Expedition and Lincoln Navigator sport/utility vehicles in May.