Suburban: The legend advances with even more interior space
As the longest-running nameplate in automotive history at 85 years, Suburban established the segment and remains a trusted partner for customers who need maximum space. With a 4.1-inch (105 mm) increase in the wheelbase and a lower cargo floor, the new Suburban has the most passenger and cargo space of any SUV. Legroom increases for both the second- and third-row passengers, and maximum cargo volume expands 19 percent while Suburban’s overall length increases less than 1 percent.

For the first time, Tahoe and Suburban’s second-row seat can slide, adjusting approximately 10 inches (254 mm) forward or rearward. Both the second- and third-row seats also fold more easily, and the load floor is now both flatter and lower than prior models – improving the ease of loading and unloading. The rear-door openings for the Tahoe are also larger, thanks to the increase in wheelbase.

Compromise-free performance
The 2021 Tahoe and Suburban are powered by V-8 engines that are among the most advanced in Chevrolet’s history, as well as an all-new Duramax turbo-diesel engine. All are matched with a new 10-speed automatic transmission with electronic shift control.

A 5.3L V-8 rated at 355 horsepower (265 kilowatts) is standard on LS, LT, Z71, RST and Premier models; and a 6.2L V-8 rated at 420 horsepower (313 kW) is standard on High Country. Both feature industry-first Dynamic Fuel Management technology, with more than 12 modes of cylinder deactivation that are designed to optimize engine efficiency across a broad range of driving conditions, including when towing a trailer. The engines also feature automatic stop/start technology, direct injection and variable valve timing, which all contribute to the balance of performance and efficiency.

The optional Duramax 3.0L inline-six turbo-diesel is available on all models except Z71. It is a clean-sheet engine design developed for full-size truck and SUV applications, where torque means everything for confident, on-demand power and trailering capability. The Duramax is rated at 277 horsepower (207 kW) and a strong 460 lb-ft (623 Nm) of torque. No full-size SUV competitor offers a diesel engine. It is expected to give the new SUVs some of the highest fuel economy ratings in the segment.

Highly durable materials make up the 3.0L Duramax’s critical components, including iron cylinder liners within the aluminum engine block, a forged steel crankshaft and connecting rods, and blended silicon/aluminum pistons for greater heat resistance and reduced expansion.

The Air Ride Adaptive Suspension is available on High Country and Z71 models and delivers automatic load-leveling and ride-height adjustment. The ride-height can adjust up to 4 inches (101 mm). In highway driving, the system automatically lowers the ride height ¾-inch (19 mm) to improve aerodynamics and fuel efficiency. A driver-selectable setting lowers the suspension 2 inches (51 mm) to aid passenger entry and exit when the vehicle is parked. Drivers can also raise the body for additional ground clearance when driving off-road by 1 inch (25 mm) at low speeds in 4WD HI, and an additional 1 inch (25 mm) at lower speeds in 4WD LO.

Tahoe and Suburban have 30 safety and driver convenience technologies, just some of which include:

Restraint system with driver inboard seat-mounted side-impact airbag and Passenger Sensing System
HD Rear Vision Camera
Automatic Emergency Braking
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Rear Park Assist
IntelliBeam automatic headlamp control
Hitch Guidance for trailering
Available technologies include new HD Surround Vision, new Rear Pedestrian Alert, Lane Change Alert with Side Blind Zone Alert with enhancements for trailering, Lane Keep Assist with Lane Departure Warning, Front and Rear Park Assist and Head-Up Display.

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