The Chevrolet Impala, Camaro, Tahoe, Silverado HD, and Avalanche; Cadillac Escalade, GMC Sierra LD, and Buick Encore received the lowest number of problems per 100 vehicles among Large Car, Midsize Sporty Car (tie), Large CUV, Large Heavy Duty Pickup, Large Premium CUV, Large Light Duty Pickup (two models in a tie), Sub-Compact CUV (tie) in the proprietary J.D. Power 2013 Initial Quality StudySM. Study based on responses from 83,442 new-vehicle owners, measuring 230 models and measures opinions after 90 days of ownership. Proprietary study results are based on experiences and perceptions of owners surveyed in February to May 2013. Your experiences may vary.