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GMC Sierra spied with ZR2-style off-road modifications

A few months ago, the 2022 Chevy Silverado ZR2 was revealed with a bunch of off-road goodies to help it achieve a little more parity with trucks like the Ford F-150 Raptor and Ram 1500 TRX. But GM has another full-size truck, the GMC Sierra, and it would seem silly to us if the company didn't share those parts. Based on these spy photos, it seems GM agrees. Though thoroughly camouflaged, we can tell this truck is a GMC Sierra thanks to the sheetmetal on the doors and the distinct shape of the wheel arches. Under the wrappings, we can see that this Sierra features a very different front bumper to the current king of Sierra off-road models, the AT4X. The bottom edge is much higher for better clearance, particularly on the sides in front of the wheels. This is the same type of change applied to the Silverado ZR2's front end. It does appear to be missing the ZR2's skid plate, though we suspect that's a temporarily missing component on this prototype. One other off-road upgrade this Sierra features is a pair of rock rails to protect the rocker panels on the cab. What we can't see are the shocks installed on this truck. If this is a GMC version of the ZR2, it should have the spool-valve shocks from Multimatic. They're some of our favorite suspension components on any vehicle. Other components it should have are locking front and rear differentials, 33-inch tires and a standard 6.2-liter V8. Since the Silverado ZR2 is already revealed and ready for production, we would expect to see the GMC version soon. A good bet would be for a reveal in time for the 2023 model year. As for a name, it's hard to say, since we've already had AT4 and AT4X. It could be named something completely separate from the AT4 line. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

IIHS: High numbers of drivers treat partially automated cars as fully self-driving

WASHINGTON — Drivers using advanced driver assistance systems like Tesla Autopilot or General Motors Super Cruise often treat their vehicles as fully self-driving despite warnings, a new study has found. The Insurance Institute for Highway Safety (IIHS), an industry funded group that prods automakers to make safer vehicles, said on Tuesday a survey found regular users of Super Cruise, Nissan/Infiniti ProPILOT Assist and Tesla Autopilot "said they were more likely to perform non-driving-related activities like eating or texting while using their partial automation systems than while driving unassisted." The IIHS study of 600 active users found 53% of Super Cruise, 42% of Autopilot and 12% of ProPILOT Assist owners "said that they were comfortable treating their vehicles as fully self-driving." About 40% of users of Autopilot and Super Cruise — two systems with lockout features for failing to pay attention — reported systems had at some point switched off while they were driving and would not reactivate. "The big-picture message here is that the early adopters of these systems still have a poor understanding of the technologyÂ’s limits," said IIHS President David Harkey. The study comes as the National Highway Traffic Safety Administration (NHTSA) is scrutinizing Autopilot crashes. Since 2016, the NHTSA has opened 37 special investigations involving 18 deaths in crashes involving Tesla vehicles and where systems like Autopilot were suspected of use. Tesla did not respond to requests for comment. Tesla says Autopilot does not make vehicles autonomous and is intended for use with a fully attentive driver who is prepared to take over. GM, which in August said owners could use Super Cruise on 400,000 miles (643,740 km) of North American roads and plans to offer Super Cruise on 22 models by the end of 2023, did not immediately comment. IIHS said advertisements for Super Cruise focus on hands-free capabilities while Autopilot evokes the name used in passenger airplanes and "implies TeslaÂ’s system is more capable than it really is." IIHS in contrast noted ProPILOT Assist "suggests that itÂ’s an assistance feature, rather than a replacement for the driver." NHTSA and automakers say none of the systems make vehicles autonomous. Nissan said its name "is clearly communicating ProPILOT Assist as a system to aid the driver, and it requires hands-on operation.

2021 GMC Yukon configurator now open for play-money builds

The 2021 GMC Yukon configurator is open for real and imaginary business. It's missing a number of important options, though, like the AT4 trim and the Premium Capability Package that installs the Air Ride Adaptive Suspension, so the configurator is best suited for practice runs at the moment. Playing our usual game, we started with a livery build in base SLT 2WD trim for an airport shuttle to compare to the livery 2021 Tahoe we built a few days ago. Same as with the Chevy, the GMC offers nine exterior colors. Opposite to the Chevy, the GMC makes you pay for every color except Summit White. Our Onyx Black selection added $195, five colors cost $495, Cayenne Red Tintcoat costs $695, and the super gonzo White Frost Tricoat runs $1,095. We plumped for the SLT Luxury package's driver assistance and convenience features like memory settings for the front passengers, powered seating for the second row, a split third row, the Rear Seat Media Package, and a console lockbox. What began as $59,095 after destination — $4,000 more than the 2021 Tahoe — ended at $64,445, just $2,165 more than our livery Tahoe because the Yukon packages more kit.   The amounts add up a lot quicker at the top end. Our regional rep with a fat bonus check started with a $72,295 Yukon Denali 4WD in the $495 Pearl Beige Metallic with a Teak and Light Shade interior. The $6,500 Denali Premium Package normally costs $500 more, and who can resist a sale? At about 9% of MSRP, it's not a negligible option, but it includes the $1,780 Advanced Technology Package, the $1,500 panoramic sunroof, and a set of 22-inch wheels that are normally $2,995. Since the bonus was big enough to replace the two-year-old jet skis in the garage, our rep added the $465 Max Trailering Package and that automatically appends the ProGrade Trailering features. Put in the Rear Seat Media Package to occupy the kids, locking armrest storage to protect stuff from the kids, and hook up a set of illuminated GMC badges for $535 to wow oncoming vehicles, and the total comes to $83,320. That's more than $10,000 in options without the least effort. However, there aren't any big-money options left to add except a $1,499 rooftop tent.     GM Authority wrote about the package combinations necessary to unlock the Air Ride Adaptive Suspension on the AT4 or Denali trims. Summed up, the check boxes add $3,410 to the price of an AT4, $3,755 to the price of a 2WD Denali, and $6,015 to the price of a 4WD Denali.