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How GM's grueling 24-hour test gets the kinks out of its performance cars

One of the biggest challenges automakers face when designing a high-performance car is making sure that it is both fast and reliable. For General Motors, any car that might be taken to the track by its owner - like the Corvette, Camaro Z/28 (shown above) and the Cadillac CTS-V, for example - undergoes a rigorous and strenuous 24-hour test by engineers at the Milford Proving Grounds, as pointed out by Car and Driver.
We've posted on this topic in the past - on a video showing the Camaro ZL1 being brutalized, for instance - but this article gives a more in-depth look at what actually happens behind the scenes... including what that poor ZL1 went through. Though the test isn't for 24 hours straight, the cars are pushed as hard as possible by some of GM's best drivers with only the brakes and tires replaced frequently.
We don't want to ruin the fun for you, but it is an interesting article that tells just some of what GM does to develop its sports cars. Check out the full article over at Car and Driver for the rest of the story.

The syrupy sweet tale of the Pink Cadillac Margarita

In our last installment of the irregular and irreverent series on drinks loosely connected to – or named after – automobiles, we sipped a Taxi cocktail, which in its original form tasted a bit like a margarita infused with Blackjack chewing gum , except worse. This time, we explore mythos behind a drink so pink it usually doesn't make you stop and think. But that's what we're going to do. And, as always, enjoy cocktails (and reading about them) while you're not behind the wheel. Our brother lives in Detroit, where old American cars go to not die. On the streets of the Motor City, you will see all manner of holey-mufflered, salt-rotted, spring-sagging Big Three iron plowing along shoddily. Our brother's next-door neighbor is a connoisseur of such vehicles, and thus populates his driveway with a cache of Malaise Era Cadillacs. (His dog lives in one.) His latest addition, which our brother texted us a photo of recently while we were eating fish tacos in Los Angeles, is a Desert Rose 1977 Coupe DeVille (seen below). Since we're always thinking about cars or drinking (or both), and we were eating Mexican, this put us in mind of a cocktail our cousin's trashy bridesmaid made us try at her wedding in Charleston: the Pink Cadillac Margarita. Suddenly, we were thirsty. The Pink Cadillac Margarita is, quite obviously, a pink drink – a somewhat cloying, if deliciously chuggable concoction colored with a spritz of Ocean Spray, or Chambord liqueur if you're classy. Pink drinks get a bum rap. Blame it on the Cosmopolitan, and everyday misogyny, but many people find pink drinks frivolous. As expert drinkers, and drink experts, we would counter that the consumption of alcohol is, at its essence, about being frivolous. Never mind that the chemical is a depressive; Consuming it is about putting on your rose (or rose) colored glasses, and getting ready to make some mistakes. The Pink Cadillac is apparently so named not just because of its signature color and the irresistible musical connection between Cadillacs and pinkness (see: Aretha, Springstein, Natalie Cole). The moniker also derives from the quality of the ingredients – drawing on the historical expression "The Cadillac of..." to signify something top-shelf. "It's difficult to know quite how that name was derived," says Melody Lee, Cadillac's director of brand strategy.

Cadillac ATS sedan is in its last year

Cadillac has just confirmed that the ATS Sedan dies at the end of the 2018 model year. In an e-mail to CarBuzz, spokesman Donny Nordlicht wrote, "Production of the ATS Sedan is ending due to extensive plant upgrades, expansion and re-tooling to prepare for the next generation of Cadillac sedans." The admission confirms several months of deduction based on a document trail put together by The Truth About Cars. Last December, TTAC reported that General Motors didn't list a 2019 Cadillac ATS sedan on VIN documents submitted to the National Highway Traffic Safety Administration. Only the coupe remained, the presumption being that 2018 would be the last year for the sedan. That presumption was bolstered by industry sleuth Bozi Tatarevic's discovery this week that GM hasn't included the ATS sedan in the carmaker's fleet order guide. The death of the four-door ATS won't surprise anyone paying attention to statements from Cadillac or ATS sales figures. Brand then-president Johan de Nysschen strongly hinted last summer that three sedans would bite the dust come 2019, and one would be refreshed. We've seen the gussied-up CT6, so that put the XTS, CTS, and ATS in the funeral home. The XTS would die an unavenged death, while the CTS downsized into the properly midsized CT5 and targeted buyers in the $35,000 to $45,000 range, overlapping with $34,595 ATS sedan pricing by doing so. The ATS would go on hiatus, eventually resurrected as a compact luxury offering possibly called CT3 in coupe form and CT4 as a sedan sometime around 2020. As for the market situation, ATS sales are up 7.3 percent in the U.S. through the end of April this year compared to 2017. However, the ATS sold only 13,100 units in the U.S. in 2017, compared to 21,505 units in 2016 and a high of 38,319 in 2013, its first full year on sale. Assuming new Cadillac president Steve Carlisle stays the predicted course, GM might keep the ATS Coupe as a lure to sporty buyers in the segment until a possible CT5 coupe arrives. Otherwise, Nordlicht's e-mail said "Cadillac's future sedan portfolio will consist of three sedans, positioned in different segments and clearly differentiated by size and price." The 2019 ATS Coupe will stick with its three current engines, the 2.0-liter turbo with 272 horsepower and 295 pound-feet of torque, the 3.6-liter V6 with 335 hp and 285 lb-ft, and the 3.6-liter twin-turbo V6 in the ATS-V with 464 hp and 445 lb-ft of torque.