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GM Design shows what could have been and what might be

We periodically like to check in with GM Design's Instagram account to see what they're cooking up. Even better is when we catch a glimpse of an alternate history of what legendary designers from The General's past were thinking, though those ideas may not have made it into production. This week, for example, the account posted some illustrations from George Camp, whose career at GM spanned nearly four decades, from 1963 to 2001. One of the renderings is of what appears to be a 1971-72 Pontiac GTO Judge, but with two headlights instead of the production unit's quad beams. The rear departs from the canonical version most dramatically, with a massive integrated wing. Other bits that didn't make the production cut include large side vents, a gill-like side marker and rectangular intakes below the headlights that wouldn't be out of place on a modern design today. Amazingly, from what we can make out of the date, it appears that the drawing was done sometime in 1965, which makes it quite prescient.           View this post on Instagram                       A post shared by GM Design (@generalmotorsdesign) There's also a very aerodynamic interpretation of a Corvette ZR-1. To our eyes it splits the difference between the 1986 Corvette Indy concept and a fourth-generation F-body Pontiac Firebird, so perhaps parts of Camp's work on this sketch did make it into physical form. There's also a radical sports car concept from May 1970 that resembles the Mazda RX-500 concept from the same year, a Syd Mead-looking Cadillac coupe, and an Oldsmobile with a cool take on the company's trademark waterfall grille and elements of the Colonnade Cutlass at the rear. Other recent posts include a FJ Cruiser-like off-road EV, a sleek coupe with the Chevy corporate grille, and a rendering of a Silverado-esque pickup that looks far better than the current production version.           View this post on Instagram                       A post shared by GM Design (@generalmotorsdesign) It's pretty easy to lose hours in the account, but it's always fascinating to see GM's visions of what could have been and what might be. Related Video:

Fiero-based Zimmer Quicksilver was objectively terrible, but we'd totally drive it

Now here's something you don't see everyday. It's listed in our classified ads as a 1986 Pontiac Fiero, but as you can see, that description is a bit misleading. In fact, it's a Zimmer Quicksilver, which was indeed built atop the guts of a mid-engine Fiero coupe but was heavily modified by the Zimmer Motorcars Corporation at a facility in Pompano Beach, Florida. And the one you see here actually seems to be a pretty decent deal for a highly unusual car. We're not sure what was a more popular starting point for kit and custom cars in the 1980s and 1990s, but it would have to be either the Fiero or the vintage air-cooled Volkswagen Beetle. Fiero-based machines usually mimicked the design direction of any number of highly desirable Italian stallions, most commonly, we'd guess, the Lamborghini Countach. The Quicksilver is an altogether different animal, with over a foot of extra wheelbase added in front of the A-pillar to make for a dramatic, long and low silhouette that somehow still only has barely enough room for two passengers in its leather- and wood-lined interior. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. A stock 2.8-liter V6 engine from General Motors is mated to a three-speed automatic transmission that sends 140 horsepower and 170 pound-feet of torque to the rear wheels. Period road tests found the 0-60 run took a little over 10 seconds, which is terrible today but wasn't all that bad for the mid '80s. Best we can tell, only around 170 Quicksilvers were made between 1984 and 1988, which are, not coincidentally, the same years that Pontiac produced the Fiero. The 1986 Zimmer Quicksilver you see here is priced at $18,495 and shows well under 30,000 miles on the odometer. There aren't a lot of Zimmer Quicksilvers currently for sale for us to compare, but the ones we did find that had sold within the last few years suggest a little under $20,000 is a reasonable asking price. It could be a fun and offbeat addition to the garage, and if nothing else, you're not likely to see another one at your local car show. Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

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.