DETROIT -- General Motors has canceled an extensive re-engineering of the Chevrolet TrailBlazer and GMC Envoy for mid-2007.
The automaker will change the exterior and interior styling and probably push back the restyled vehicles' introduction to January 2008, say sources familiar with the vehicle program.
GM's decision reflects the sales nosedive of truck-based SUVs, the automaker's financial plight and the expectation that many SUV owners will shift to crossover vehicles that offer better fuel economy.
Combined U.S. sales of the TrailBlazer and Envoy this year through November were 319,591 units, down 16.4 percent from the year-ago period.
Other vehicles on the mid-sized SUV architecture are the Buick Rainier, which is scheduled to die after the 2007 model year; the Saab 9-7X; and the Isuzu Ascender.
Still to be decided is whether GM will continue to offer both standard and stretched versions of the TrailBlazer and Envoy, sources say.
The stretched versions are made primarily in the Oklahoma City plant, which GM plans to close next year.
GM is developing three crossovers on a new front-drive Lambda vehicle architecture. The eight-passenger vehicles are the 2007 Saturn Outlook, 2008 GMC Acadia and an unnamed 2008 Buick that eventually will replace the Rendezvous and Rainer.
The automaker also will introduce four crossovers on its re-engineered Theta architecture: the 2009 Cadillac BRX, 2009 Saab 9-4X and unnamed 2009 Chevrolet and GMC models.