You’ll find the biggest distinctions between crew cabs and extended cabs fall under two aspects: Different door formats: Crew cabs have four doors that are the same size or close to it. What makes a cab extended is having a back seat, not four doors. Even if an extended cab has four...
Sierra ACE full-size pickup truck.First shown at the Detroit Auto Show in January 1999, GMC Sierra ACE has a combination of rectangular and round headlights, robust 18-inch wheels, and numerous decorative chrome parts. The double cab can easily fit in six people, with rear seat access throu...