GMC will start distributing 2007 Yukon models to dealers during the first few months of 2006. Also arriving on lots will be the Yukon’s sister vehicles, the 2007 Chevrolet Tahoe and the Cadillac Escalade. Following in the second quarter of 2006 will be the Yukon XL, Chevy Suburban, Cadillac Escalade ESV and EXT models, and the Chevrolet Avalanche.