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Supercharged 2015 GMC Yukon Denali sounds evil, runs 0-60 in 4.5 seconds

Speeding along in a sports car is undoubtedly a ton of fun, but some owners need the ability to carry a lot of people and their stuff and don't want to sacrifice the ability to put the power down. The tuners over at Hennessey have that demographic covered with their growling, supercharged power kits for the GMC Yukon Denali. The upgrades come in three forms for the SUV's 6.2-liter V8: HPE550 with 557 horsepower, HPE600 with 605 hp and HPE650 with 665 hp. This video showcases the full-bore version, and this Denali can definitely hustle in a straight line. The power bump comes courtesy of a 2.9-liter supercharger, intercooler and high-flow cylinder heads to add over 200 horsepower compared to stock, and the final result is a bellowing SUV that rears up off he line to throw the driver back into the seat. The sprint to 60 miles per hour lasts just 4.5 seconds. Check out this hasty hauler in action in the video above.

Best and Worst GM Cars

Oh yes, because we just love receiving angry letters from devoted Pontiac Grand Am enthusiasts, we have decided to go there. Based on a heated group Slack conversation, the topic came up about the best and worst GM cars. First of all time, and then those currently on sale, and then just mostly a rambling discussion of Oldsmobiles our parents and grandparents owned (or engineered). Eventually, three of us made the video above. Like it? Maybe we can make more. Many awesome GM cars are definitely going unmentioned here, so please let us know your bests and worsts in the comments below. Mostly, it's important to note that this post largely exists as a vehicle for delivering the above video that dives far deeper into GM's greatest hits and biggest flops, specifically those from the 1980s and 1990s. What you'll find below is a collection of our editors identifying a best current and best-of-all-time choice, plus a worst current and worst-of-all-time choice. Comprehensive it is not, but again, comments. -Senior Editor James Riswick Best Current GM Vehicle Chevrolet Corvette We were flying by the seats of our pants a bit in this first outing and my notes were similarly extemporaneous. When it came time to tie it all together on camera, I failed spectacularly. Thank the maker for text, because this gives me the opportunity to perhaps slightly better explain my convoluted reasoning. I chose the C8 Corvette because it's simply overwhelmingly good, and it's merely the baseline from which this generation of Corvette will be expanded.  While the Cadillac CT5-V Blackwing (more on that in a minute) is an amazing snapshot of GM's current performance standing and its little sibling so enraptured me that I went out and bought one, their existence is fleeting. Corvette will live on; forced-induction Cadillac sport sedans, not so much. So while all three are amazing machines when viewed in a vacuum, the Corvette stands above them as both a reflection of GM's current performance credentials and a signpost of what is to come. So, given the choice between the C8 and the 5V-Blackwing right now, I'd choose the C8. In 10 years, when the Blackwing is no longer in production and Corvette is in its 9th generation? Well, that might be a different story. Now, just pretend I said something even remotely that coherent when we get to the part of the video where I try to make an argument for the 5-V Blackwing as best GM car I've ever driven. Or just laugh at me while I ramble incoherently.

2022 GMC Hummer EV shows off accessories ahead of SEMA

As is the case with nearly every new off-roader on the market, the 2022 GMC Hummer EV will have a bunch of accessories available for personalizing the big electric pickup truck. In fact, GMC says that the total number of add-ons is close to 200. But for the SEMA show, it's sharing just a few of what it says are the more interesting accessories. Quite a few of these parts will take you a long way to turning the Hummer EV into an overlander. The most obvious is the roof-top tent that utilizes mounts on the roof and the bed. It looks quite large and roomy. Naturally, auxiliary lighting is available, too, including a 50-inch roof light bar and two smaller spot lights that mount ahead of the A pillars. For storage, there's a nifty swing-out toolbox, shown in the gallery as more of a tackle box, plus a battery-powered cooler and a bed-mount for a full-size spare tire. There's also a more traditional bed extender and simple bed rail-mounted rack. And just for fun, you can get a Kicker audio sound system built into the MultiPro tailgate to listen to your music. Not all the accessories are about utility, though. There are some visual enhancements such as the red decals shown in the gallery. They match other decals and badges available, and they're offered in bronze, too. There are some branded puddle lights on offer as well. These should be available around when the Hummer EV pickup goes on sale next year. Pricing for each part will surely vary, though exact numbers haven't been announced. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.