DETROIT -- General Motors' U.S. light-vehicle sales fell 9.9 percent in the third quarter, as the automaker continues to face a shortage of high-demand pickups and SUVs. But GM's crossovers posted significant gains, with sales of the Buick Envision, Chevrolet Blazer and Cadillac XT6 each climbing more than 40 percent from a year ago.
GM delivered 665,192 vehicles in the quarter, the automaker said Thursday.
"Inventory levels remain very tight, especially for pickup trucks. This is a function of the pandemic-related downtime, as well as strong demand for our products," GM spokeswoman Lauren Langille told Automotive News. "We are currently running our full-size pickup truck and SUV plants at maximum capacity, and vehicles are being sold almost as soon as they arrive on dealer lots."
Sales improved each month in the quarter, GM said, adding that sales rebounded significantly in September.
Of GM's four U.S. brands, Buick fared best, down 2.9 percent f…