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Is Buick's surprise Detroit concept a Camaro-sized coupe?

Tomorrow night marks the unofficial start of the 2016 Detroit Auto Show. Keep your eyes peeled for a number of reveals, including a surprise debut from Buick. Yes, Buick. And we think it's going to be something really hot. According to a report from Bloomberg, the Tri-Shield's secret car could be a Camaro-sized sport coupe concept. As Bloomberg explains, it'd certainly gel with the impression the company is trying to put out – that it's no longer a brand for those with one foot in the grave. Introducing a sports coupe, even as a concept, could certainly reinforce that message. And if it happens to make production – which is not a certainty, Bloomberg's secret source says – it could certainly help Buick drive its average buyer age down from 59. Bloomberg doesn't offer any speculation on Buick's new coupe, but we have no problem making educated guesses. Our most reliable conjecture is this: it will ride on General Motors' Alpha platform, which underpins both the Camaro and the Cadillac ATS. And with a certain twin-turbocharged V6 in the GM stable, we've got an idea of what kind of engine could be shown. That speculation will have to suffice for now. But don't worry, we'll have official details, live images, and video tomorrow when Buick unveils its new concept in Detroit's Eastern Market.

GM will stop reporting monthly U.S. vehicle sales

DETROIT — General Motors said on Tuesday it will stop reporting monthly U.S. vehicle sales, saying the 30-day snapshot does not accurately reflect the market, and will instead issue quarterly sales. GM will also no longer report monthly sales in China, its largest market, and Brazil. GM will provide monthly data to the U.S. Federal Reserve, industry associations and government agencies across the globe, but that data is not made public. Analysts and investors rely on monthly U.S. vehicle sales not just to track the performance of individual automakers, but as a barometer of the health of the world's second-largest auto market and as an indicator of consumer confidence in the U.S. economy overall. GM and its Detroit rivals Ford and Fiat Chrysler have relied heavily on sales of high-margin pickup truck and SUV sales to boost profits. GM's total U.S. sales, its second-largest market, are down 3.2 percent for the first two months of 2018, reflecting a 6.8 percent drop in retail sales to individual customers, the company reported last month. GM executives have expressed frustration that comparisons of monthly U.S. sales results among rival automakers are distorted by short-term discount programs, and by differences in strategy for selling vehicles in bulk to rental car fleets. "Thirty days is not enough time to separate real sales trends from short-term fluctuations in a very dynamic, highly competitive market," Kurt McNeil, U.S. vice president for sales operations said in a statement. GM's actions could prompt other automakers to also switch to quarterly U.S. sales reports. Major automakers will report March U.S. new vehicle sales on Tuesday. Until the early 1990s, most U.S. automakers released sales results every 10 days. The former Chrysler Corp. stopped reporting sales on a 10-day basis in 1990, and rivals followed suit over the next three years. GM executives are betting that investors will quickly adapt to receiving U.S. sales data every three months, as investors in other retail sectors already have. Retailers such as Walmart report sales on a quarterly basis. Reporting by Joe WhiteRelated Video: Image Credit: Reuters Earnings/Financials Green Buick Cadillac Chevrolet GM GMC US

This is what a 2017 Chevy Camaro Z28 could look like

The latest Camaro Z28, the enthusiast darling of the somewhat frumpy fifth-generation pony car, only hit the scene in 2014. It housed the wonderful 7.0-liter, naturally-aspirated LS7 small block V8 and featured a ton of aero bits. The trickest pieces may have been the dynamic spool valve shocks, legitimately race tech for the road. So with the new Camaro out in the wild, we were wondering what a new Z28 might look like, and thus, commissioned these renders based on our best guesses as to what a future Z28 might be. Since Chevy didn't stray too far from the Zeta-chassis Camaro formula with its new Alpha-based car, our vision of a new 2017 Camaro Z28 likewise is a sequel rather than a reboot. The exterior styling and aero details are similar, but sleeker. The defining and protruding front splitter is back, but it's smoothed slightly and better integrated. It shares quad exhaust pipes with the lowlier SS, but they're of the beveled Z06 variety, and sized up to a howitzer caliber. Instead of a weak faux rear fender vent, our version gains a real brake cooling duct. Some iconic elements, like the hood extractor vent and the large decklid spoiler, remain. What we can't see, we have to speculate on. As the track-focused, hardcore pony car in the Camaro lineup, the Z28 will have to do battle with the Ford Shelby Mustang GT350R. There's simply no avoiding it. And whereas Ford distinguished that car with a 5.2-liter, 526-horsepower, flat-plane-crank V8, Chevy is likely to look to the parts bin to find motivation. This isn't a knock; the LS and LT-series small block V8s are both numerous and power-dense. And there's one engine that seems to do the trick: the LSA, last seen in the old CTS-V and still on sale in the Camaro ZL1 (and of course, still being produced as a crate engine). In ZL1 form, the LSA makes about 580 hp, which is a nice margin over the GT350R. It's also a high-zoot but not top-of-the-line mill, having been mostly superseded by the 650-hp LT4. That puts our probable Z28 far enough behind the new CTS-V and current Corvette Z06 in the pecking order to be a safe bet, without hobbling it with the LT1 shared with the Camaro SS and regular Corvette. Will those trick spool-valve shocks from Multimatic make it to the Z28 again? Ford is taking the GT350R very seriously, and if the expensive but supremely capable suspension system is required to manhandle the Shelby at the track, you can bet that Chevy will pony up for it.