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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.

C7 Corvette turbo with 1,000 horsepower promised from Hennessey

If you can't wait for the next-generation Chevrolet Corvette ZR1, Hennessey says they will have you covered. The Texas-based company has announced it will offer a spate of upgrades for the 2014 Corvette ranging from a range of bolt-on options all the way up to a 1,000-horsepower, twin-turbo system. Buyers can start with a cold air intake, cat-back exhaust or stainless steel long-tube headers, but Hennessey says it will also offer up three stages of forced induction mayhem should those bits and baubles not provide enough thrust.
Those choices start with a supercharger system good for up to 700 hp, though Hennessey will gladly ditch the blower in favor of two turbos. Doing so will spin the crank to the tune of 800 horsepower all the way up to a certifiably ludicrous 1,000 ponies. There's no word on how much these tricks will cost you - or when they will be available, as we're guessing they haven't gotten their hands on the car yet - but you can head over to the Hennessey site to drop them a line if you're curious.

GM adds 1,200 jobs at Detroit-Hamtramck plant

General Motors is making a big move at its Hamtramck, MI, factory, announcing it will add a second shift and hire over 1,200 workers within the next several months. It's expected that by early 2016, the factory will employ over 2,800 workers to build the Chevrolet Volt, Impala, Malibu, Cadillac ELR, and by early next year, the new CT6. According to GM Hamtramck spokesperson Courtney Zemke, 40 of the 1,200 positions are for salaried employees, while the remainder will be hourly positions. As for where these employees will go, positions are being made available across the factory, so GM isn't focusing on any particular area for its new hires. It's a similar story behind the hiring surge itself. GM said in its press release that the "second shift is necessary to meet forecasted market demand," a position Zemke reiterated. It's a matter of demand across the plant's portfolio, rather than any one particular product seriously outstripping supply. Naturally, the United Auto Workers is happy with the move. "The workforce at Detroit-Hamtramck is second to none," UAW Local 22 Shop Chairman Don LaForest said in the attached release. "We appreciate the opportunity to expand our UAW-GM family." Hiring is going on now, with the second shift slated to get underway in early 2016. GM's Detroit-Hamtramck Assembly to Add Second Shift and More Than 1,200 Jobs Plant will nearly double its workforce by early 2016 2015-10-22 DETROIT – General Motors is nearly doubling its workforce at Detroit-Hamtramck Assembly by adding a second shift and more than 1,200 hourly and salaried jobs. The addition of a second shift will increase the plant's workforce to approximately 2,800 people when hiring is completed. The second shift is necessary to meet forecasted market demand for the five cars produced at Detroit-Hamtramck. "This is the result of the award-winning vehicles Detroit-Hamtramck produces and the confidence GM has in our team to build world-class quality for our customers," said Plant Manager Gary West. Second shift hiring is underway, and the shift is scheduled to begin operations in early 2016. "The workforce at Detroit-Hamtramck is second to none," said UAW Local 22 Shop Chairman Don LaForest. "We appreciate the opportunity to expand our UAW-GM family." The 4.1 million-square-foot Detroit-Hamtramck Assembly opened in 1985. GM has invested $1 billion in the plant over the last six years, making it one of the company's most-agile manufacturing facilities in North America.