GM beat most analysts' expectations with a 4.2 percent gain in new vehicle sales.Ford sales declined by 4 percent, with its F-Series pickup trucks up 9 percent, SUVs rising 6 percent but cars sliding 24 percent from a year ago, the automaker said. Toyota Motor Corp (7203.T), No. 3 in U.S. sales volume, suffered a 7.2 percent drop as sales of the company's best-selling model, the Camry sedan, dropped 15 percent. Fiat Chrysler Automobiles NV (FCHA.MI) (FCAU.N) sales fell 10 percent, as its largest volume Jeep SUV brand dropped 15 percent.Nissan Motor Co (7201.T) beat expectations on a 3.5 percent gain, led by a 54 percent surge for its Rogue small SUV.Honda Motor Co (7267.T)(HMC.N) sales rose 2.6 percent, helped by its trucks and SUVs, gaining 12 percent from a year earlier. (Editing by Jeffrey Benkoe)