Just after the major announcement that the Suburban RST is going to undergo a very massive change within the engine department, all of us at West Chevy of Knoxville have now been lucky enough to receive spy shots of the future Suburban. Many customers will be excited with its 6.2-liter V8 as it is, and via the photos, we were able to catch a glimpse of the suspension arrangement. We are fully aware that the Ford Expedition provides some pretty serious competition in the full-size genre, and it is highly likely that this led to the major upgrading of the shocks: the 2020 will be equipped with independent rear suspension.
Back in 1963, the legendary Corvette Stingray became the first modern automobile to have an independent rear suspension, which not even the coveted Ferrari had at that time. It was made up of two independently-acting springs that were solidly attached to the rear wheels. Unlike the rigid axle system, IRS does not include a solid rear axle rooting the two wheels together. Instead, each wheels is mounted and sprung in a fashion that is stand-alone, allowing them to move up and down when they sense irregularities in the surface. When one of the rear wheels has the misfortune of hitting a pothole or bump, the full effect of the motion is transferred along the axle to the corresponding wheel, which completes the job of greatly improving the finished product of a much smoother ride. 
Engine options are expected to closely mirror the 2019 Silverado, which may mean that a 2.7-liter turbocharged inline 4-cylinder could be residing under the hood. The 2020 Suburban is based on the GMT1 platform, delivering all-new underpinnings and engineering. The weight difference is expected to be around 300 pounds lighter than the 4th-generation model, and will be made up of all new exterior and interior design elements. One of the most exciting things on board is the GM Super Cruise autonomous driving technology, which is an autopilot of sorts designed for the somewhat daunting task of hands-free highway driving.
The fundamental idea of Super Cruise is to use a very extensive group of LIDAR maps, that cover most major highways in the United States. When paired up with the radar in the car and other cameras, there is a situational awareness in place that currently beats out any other system on the market. It actually allows you to take your hands off the wheel, and there is a light bar that turns green when the time is right to do so. Mounted on the steering column is a small camera, that monitors the driver's eyes to make sure you are paying close attention.
During hundreds of miles of road testing, the Super Cruise never slipped out of lane markings, proving to be just as effective and futuristically fit as “Kitt” was on the famed “Knight Rider” TV series! The Suburban for 2020 will continue to be assembled by GM in Arlington, Texas, and we will keep you posted at every step regarding any new information that comes our way. Two years is bound to go by quick, just as every milemarker will when at the helm of this sturdy, safe, and well-equipped Chevy make!
Images courtesy of Autoblog
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