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GM removes start/stop from full-size trucks and SUVs with V8 engines

GM is removing start/stop technology from a number of its popular full-size SUVs due to the ongoing chip shortage. This follows the removal of cylinder deactivation technology from some of its trucks, which was also due to the chip shortage. GM Authority first reported the news, but we’ve just confirmed everything with a GM spokesperson.  The following 2021 model year vehicles will be affected: Chevy Tahoe, Chevy Suburban, GMC Yukon, Cadillac Escalade, Chevrolet Silverado 1500 and GMC Sierra 1500. Only versions of those vehicles built with the 5.3-liter V8 or 6.2-liter V8 and mated to the 10-speed automatic will have the tech removed from them. Only vehicles manufactured on or after June 7 will be affected. “By taking this measure, it will enable us to continue production of our high-demand full-size SUV and pickups as the industry continues to rebound and strengthen,” GM said in a statement. Those who ultimately buy one of these vehicles without start/stop technology will receive a $50 discount off MSRP for their troubles. Losing this fuel-saving tech could be a big negative for some, but we know many folks turn it off anyway. Not having to press the button to deactivate start/stop every time could actually be a positive if youÂ’re part of the camp who does that already. 2021 Cadillac Escalade Sport Platinum View 27 Photos On the downside, GM says “most of the affected vehicles will experience a minor reduction in fuel economy.” We donÂ’t have revised window stickers in hand to know how each model will be affected, but any 1 mpg reduction will be rather impactful for vehicles rated as low as these trucks already are. Any reduction will be seen in the city mpg rating, so take the kind of driving youÂ’re going to be doing into account before purchasing. When it comes to greenhouse gas compliance rules, GM says it doesnÂ’t foresee this impacting the companyÂ’s average fleet score. It also intends to begin adding start/stop back to these models as soon as possible, but there will be no retrofit effort made to fit the tech to vehicles already built without it. “Our supply chain organization continues to make strides working with our supply base to mitigate the near-term impacts of the semiconductor situation,” GMÂ’s statement reads. “GM continues to leverage every available semiconductor to build and ship our most popular and in-demand products, including our highly profitable full-size trucks and SUVs for our customers.

Cadillac CT6 V-Sport wants to take prisoners with 550-hp 4.2L TT V8

With the refresh of the Cadillac CT6 for 2019, Cadillac welcomes the first CT6 V-Sport as well as a new trim strategy. The changes at the front for the CT6 lineup don't appear substantial viewed head-on, one needs a side view to appreciate the greater three-dimensionality. Thinner headlights and a thinner bumper above a slightly larger lower front intake emphasize the mesh grille, and the vertical LED DRLs make more dramatic statements thanks to those narrower headlights. By angling the main units back toward the rear of the sedan, the CT6 now has a certified, sculpted snout. The rework appears to add substantial overhang, but overall length only increases by a tenth of an inch, to 204.1 inches. What's under the V-Sport's probing hood is just as interesting as the redesign and the sporting thrust: A clean-sheet design of a 4.2-liter DOHC twin-turbo V8. In the V-Sport, the engine produces 550 horsepower and a Bentley-esque 627 pound-feet of torque. As an optional engine elsewhere in the CT6 range, the same engine produces 500 hp and 553 lb-ft. The displacement, specs, plus the fact that "each engine will be hand-built at the Performance Build Center in Bowling Green, Kentucky" indicate this was one of the rumored powerplants for the mid-engine Corvette. The coming sports car was tipped to get a 4.2-liter and 5.5-liter DOHC twin-turbo V8. Based on the position of the turbos in this engine vs. their positions in the previous CAD drawings, we assume the drawings represented the 5.5-liter. (Note: Cadillac said Corvette will not get the new 4.2-liter twin-turbo engine.) The 4.2-liter item features an aluminum block, heads, and pistons, direct injection with a 9.8:1 compression ratio, cylinder deactivation, cylinder oil jets, and a variable-pressure oil system. The twin-scroll turbochargers capable of 20 pounds of boost sit in the 90-degree vee, working alongside twin water-to-air intercoolers, twin throttle bodies, and twin electric wastegates. Cadillac says 90 percent of torque arrives at 2,000 rpm and loiters through 5,200 rpm. Power gets sent through GM's 10L90 ten-speed automatic transmission and on to the standard all-wheel-drive system. Cadillac didn't list 0-to-60-mph times in its press release, but engineers have track-worthy alacrity in mind for the CT6 V-Sport.

2020 Cadillac XT4 Sport Drivers' Notes | Worth a look, or two

The 2020 Cadillac XT4 is Cadillac’s smallest crossover in its burgeoning lineup of SUVs. Most of the attention is on the new Escalade these days, but the XT4 is where someone with a lighter budget might enter the Cadillac brand. Our tester happens to be the Sport model, giving it a distinctive appearance, separate from the Luxury and Premium Luxury trims. This one has a gloss black mesh grille, black trim throughout the exterior and Sport-specific wheels — the others rely much more heavily on chrome. Cadillac stepped it up in the design studio for the XT4, as one of its best qualities is the exterior design. It compares well to other small crossovers and doesn't look like your typical cookie-cutter crossover on the road. ThereÂ’s only one engine available, and itÂ’s a 2.0-liter turbocharged four-cylinder that makes 237 horsepower and 258 pound-feet of torque. When the XT4 came out for the 2019 model year, this engine was brand new. Today, Cadillac is passing it around the lineup to vehicles like the CT5 and CT4. A nine-speed automatic transmission is the only transmission option, as well. Our tester has all-wheel drive, but front-wheel drive is standard on lesser XT4s. There isnÂ’t a whole lot changed for the 2020 model year, but Cadillac did add an “Off Road” mode and made a bunch of safety equipment standard. With our test car being a Sport trim with all-wheel drive equipped, the base price is $42,295, a fair bit greater than the $36,690 standard car. After options, our XT4 totaled $48,310. The most expensive extra is a $1,500 Bose Centerpoint audio system, combined with navigation. An $1,100 Driver Assistance package brought adaptive cruise control, enhanced automatic emergency braking and reverse automatic emergency braking. A Cold Weather package added heated seats all around and a heated steering wheel for $850. Finally, the $470 Driver Awareness package brought automatic high beams and lane-keep assist. Senior Editor, Green John Beltz Snyder: This one grew on me the more I drove it. I was unconvinced for the first part of my drive, but then things started to feel more well-though-out as I used them. For instance, the line of buttons across the center stack looks daunting, until you turn the car on and their labels are illuminated. Then everything is easy to find thanks to the lighting, symmetry and the fact that you only have to look down a single line of buttons rather than hunt around a grid pattern.