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2021 Chevy Tahoe, GMC Yukon fuel economy and towing capacities go official

Most of the puzzle pieces have fallen into place with GM’s new full-size SUVs, but today we have fuel economy and towing to add to the picture. Numbers for the standard 5.3-liter V8 and upgrade 6.2-liter V8 are out, but GM has held back on the 3.0-liter turbodiesel inline-six for the time being. Those numbers are most likely not ready yet. Minor improvements and decreases are seen throughout the Tahoe/Suburban and Yukon/Yukon XL lineup. Because there are so many variants, weÂ’re going to just lay them out below for you. 5.3-liter V8 2021 Tahoe/Yukon 2WD: 16/20/18 2021 Tahoe/Yukon 4WD: 16/20/18 2021 Suburban/Yukon XL 2WD: 16/20/18 2021 Suburban/Yukon XL 4WD: 15/19/17 6.2-liter V8 2021 Tahoe/Yukon 2WD: 15/20/17 2021 Tahoe/Yukon 4WD: 14/19/16 2021 Suburban/Yukon XL 2WD: 15/20/17 2021 Suburban/Yukon XL 4WD: 14/19/16 As you can see, there isnÂ’t a whole lot of difference between two-wheel drive and four-wheel drive options. You can eke out an extra mpg here and there, but itÂ’s a penalty weÂ’d be happy to live with to have four-wheel traction. The biggest loser in all of this is highway mpg. Chevy has made the trucks bigger and added weight with the independent rear suspension, causing a decrease in fuel economy. For example, a 2020 Tahoe with the 6.2-liter V8 and four-wheel drive is rated at 14/22/17. The 2021 truck drops 3 mpg on the highway and 1 mpg in the combined rating. There are improvements to be found, though. A 2020 Suburban with the 5.3-liter V8 and four-wheel drive is rated 14/21/16. Fuel economy in the city goes up 1 mpg, but you lose 2 mpg on the highway and 1 mpg in the combined rating. ThereÂ’s a bit of give and take here, but at least a slight increase in city mpg has accompanied the greater loss in highway fuel economy. 2021-chevy-tahoe-chicago-01 View 12 Photos As for towing, the Tahoe/Yukon with the 5.3-liter V8 and two-wheel drive has a new 7,900-pound capacity, and the four-wheel drive model is rated at 7,700 pounds. Respectively, those are the best figures youÂ’ll get with the standard towing capacity. Opt for the maximum towing package, and the Tahoe/Yukon capacities go up to 8,400 pounds (two-wheel drive) and 8,200 pounds (four-wheel drive). The numbers all take slight cuts when you go for the 6.2-liter V8. Both the Suburban and Yukon XL offer similar or identical towing figures as their shorter counterparts do.

2022 GMC Sierra AT4X First Drive Review | Luxury off-roader

BORREGO SPRINGS, Calif. – What does the 2022 GMC Sierra AT4X have in common with the Aston Martin Vulcan, Mercedes-AMG GT, Camaro ZL1 and Ford GT? The answer: Multimatic DSSV spool-valve dampers. These dampers – or shock absorbers as theyÂ’re also called – are a lot like the adaptive dampers found in many sport and luxury vehicles. In a general sense, they allow drivers to select how soft or firm a ride they want, but the Multimatic dampers are quicker to respond and have additional benefits related to off-roading.  Off-roading is the main reason this new AT4X model has been added to the Sierra lineup this year, along with its elevated levels of luxury. ItÂ’s a big step up from the existing less-capable AT4 trim, which misses out on the DSSV dampers, electronically locking front and rear differentials, and 32-inch Goodyear Wrangler DuraTrac Mud-Terrain tires. The timing of this debut coincides with a significant overhaul for the entire 2022 Sierra lineup, including revised styling, a more muscular 2.7-liter turbo-four engine, and most notably, an interior overhaul that replaces this generationÂ’s dull and outdated dashboard with a fresh, modern and more competitive interpretation bolstered by a large 13.4-inch touchscreen powered by the Android Automotive OS. Upping the luxury further is a new, fully-loaded Denali Ultimate trim that includes the Super Cruise automated driving system, though our time in the revised 2022 Sierra was almost entirely in the AT4X. In addition to the off-road equipment and interior improvements listed above, the Sierra AT4X features the 420-horsepower 6.2-liter V8 as standard equipment, improved underbody skid plates, and a new Terrain drive mode. But thatÂ’s not all, because the AT4X is also differentiated by the X-less AT4 with a cabin thatÂ’s almost as extravagant as that luxurious Denali model, minus the availability of Super Cruise. Ventilated seats with massage functions, premium leather upholstery, wood trim and Bose audio are all standard. Altogether, this big truck could be the perfect way to get to your next glamping adventure. We had the opportunity to check out the AT4XÂ’s capabilities within the Anza-Borrego Desert State Park, a few hours east of San Diego. There, we encountered long stretches of dried riverbeds, narrow chokepoints as well as steep climbs and descents. After dropping pressures in the Goodyear mud-terrain tires to a flaccid 15 psi, we skimmed through the silted riverbeds with ease.

GM seeks national mandate for zero-emissions cars

DETROIT — General Motors says it will ask the federal government for one national gas mileage standard, including a requirement that a percentage of auto companies' sales be zero-emissions vehicles. Mark Reuss, GM's executive vice president of product development, said the company will propose that a certain percentage of nationwide sales be made up of vehicles that run on electricity or hydrogen fuel cells. GM says a nationwide program modeled on such a requirement in California could result in 7 million electric vehicles, or EVs, on U.S. roads by 2030. California wants 15.4 percent of vehicle sales by 2025 to be EVs or other zero emission vehicles. Nine other states, including Maryland, Massachusetts, New Jersey and New York, have adopted those requirements. In January, California Governor Jerry Brown set a target of 5 million zero-emission vehicles in California by 2030. The Trump administration criticizes California's ZEV mandate, saying it requires automakers to spend tens of billions of dollars developing vehicles that most consumers do not want, only to sell them at a loss. Reuss told reporters that governments and industries in Asia and Europe "are working together to enact policies now to hasten the shift to an all-electric future. It's very simple: America has the opportunity to lead in the technologies of the future." A national mandate also would create jobs and reduce fuel consumption, CO2 emissions and "make EVs more affordable," Reuss added. GM, the nation's largest automaker, will spell out the request Friday in written comments on a Trump administration proposal to roll back Obama-era fuel economy and emissions standards, freezing them at 2020 levels instead of gradually making them tougher. Under a regulation finalized by the Environmental Protection Agency at the end of the Obama administration, the fleet of new automobiles would have to get 36 miles per gallon by 2025, 10 mpg higher than the current requirement. But the Trump administration's preferred plan is to freeze the standards starting in 2021. Administration officials say waiving the tougher fuel efficiency requirements would make vehicles more affordable, which would get safer cars into consumer hands more quickly. GM on Thursday said it doesn't support the freeze, but wants flexibility to deal with consumers' shift from cars to less-efficient SUVs and trucks.