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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.

2016 Buick Cascada convertible isn't afraid of Detroit's snow

It's the great irony of introducing a convertible in Detroit – while the assembled media might look at the car and imagine warm weather and clear skies, the atmosphere outside is anything but. Such was the case Sunday as Buick rolled out the 2016 Cascada in Detroit's Eastern Market. Snow didn't dampen the atmosphere, though, as we clapped eyes on the sleek, Astra-based convertible for the first time. While this is far from the first product Buick has borrowed from General Motors' European operations, unlike previous vehicles, changes for the Cascada were kept to a minimum. There is no waterfall grille or four-way portholes, which Buick was sure to install when converting the Insignia and Mokka to the Regal and Encore. Then again, neither of these styling treatments were really necessary, as the Cascada remains a handsome and stylish offering. Its cabin is typical of other Buicks, and features a few too many buttons on the center stack. Still, a thick-rimmed, flat-bottomed steering wheel, similar to what's found in the Verano, is both attractive and functional, while the perforated leather seats looks quite comfortable, as well. Take a look at our gallery of live images, which includes shots of the Cascada with the top up and down, and then head back to our original post on the new convertible for all the mechanical details.

Buick Envision aces IIHS crash tests

If you had any qualms about the safety of a Chinese-built car, set them aside. At least when it comes to the Buick Envision. The Insurance Institute for Highway Safety (IIHS) has tested the new GM crossover and it passed with flying colors. The Envision is the first Chinese-built Buick sold in the States, and it's also the first Chinese-built car the organization has ever tested. In what is an impressive feat for any new automobile, it earned the IIHS TOP SAFETY PICK+ rating. This means the crossover comes equipped with a forward collision warning system and earned "Good" marks in all types of collisions, including the difficult small overlap crash test. In addition to the forward collision warning system, an automatic emergency braking system is available on the Envision. Eleven other vehicles earned the TOP SAFETY PICK+ rating, including models from Volvo, Lincoln, Acura, Audi, Mercedes-Benz, Lexus and Infiniti. That's good company, and combined with a pleasant, if not world-beating, driving experience, should make the Envision a car worth consideration. Related Video: