What is the point of Quadrasteer?

Quadrasteer electronically controls the rear wheels at different speeds and under various load conditions to create agility and maneuverability, particularly when towing or parking. via

When was Quadrasteer discontinued?

You wanted Quadrasteer? You were going to have to buy a leather interior and a sunroof and luxury items that had nothing to do with performance and handling. Eventually, GM made Quadrasteer a standalone option for $2,000. Just about 16,000 vehicles were sold through the end of 2005 before it died. via

What GM vehicles had Quadrasteer?

The technology, supplied by Delphi Corp., has been offered on the Chevrolet Silverado, GMC Sierra trucks and numerous big SUVs, such as the GMC Denali and Chevrolet Suburban. Quadrasteer shortened the turning radius of the trucks and made it easier to back up with a trailer hitched to the vehicle. via