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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.

2021 Cadillac Escalade Interior Review | Tech-forward fortress

Of all the interiors that are vital to Cadillac’s success, the new 2021 EscaladeÂ’s is arguably the most important. ItÂ’s supposed to be the best GM can muster, and the previous generation was a distant second to the classically elegant Lincoln Navigator. Cadillac didnÂ’t try to copy LincolnÂ’s success with its redesigned full-sizer, instead opting to follow a more generic theme of tech-forward luxury. When we say tech-forward, though, we mean it. The 38 inches of curved OLED screens we covered in our Escalade infotainment review absolutely dominate the dash in a brazen display of opulence. There isnÂ’t much room for anything else to take center stage, but whatÂ’s there is extremely nice. Large swaths of wood trim stretch across the dash and also adorn a substantial part of the center console. ItÂ’s harder to find something that doesnÂ’t feel like soft-touch leather, wood or metal trim than it is to find cost-cutting materials. There are certainly some areas with the usual black plastic for buttons, but every car company that isnÂ’t Rolls-Royce resorts to plastic at some level. The seating position and ergonomics of the Escalade are a big step up from past models. There was a feeling of claustrophobia in previous Escalades with the whole interior being built up around the driver in an unfriendly manner. This Escalade tones that down with lower and flatter surfaces, along with just being bigger in general. That feeling of expansiveness is great for decompressing and relaxing in the available heated, cooled and massaging seats. Riding in the back is almost as lovely. Switching to an independent rear suspension and making the vehicle longer means more passenger and cargo space (10.3 cu-ft more than before with the third row up). The majority of this is realized in the third row (10.4 inches more than before), where even large adults can sit comfortably with a laid-back seating position. Before, if your knees weren't in your face, it's probably because you gave up and hitched a ride with someone else. A BMW X7 or Mercedes-Benz GLS will still outclass it for materials and third-row features, but the Escalade wins on sheer bigness. Getting back there is a breeze with a huge walkway, though putting the seat back into place is borderline annoying, requiring much more physical effort than a powered second row would. As big as the third row is, sitting in the second row is even better thanks to the massive dual screens mounted to the front headrests.

Cadillac is bringing a new concept to Pebble Beach

Cadillac will debut a new concept Thursday in Monterey. The company also released teaser video, but it only shows us a few glimpses of interior parts and a concept drawing that seems to show a very minimalistic dashboard. The big draw appears to be the large screen filling in for instruments and infotainment. According to Cadillac, the screens are curved OLED panels co-developed with LG, and the technology behind them will appear in a future Cadillac. Bringing a new concept to the famous Monterey Car Week is a return to form for Cadillac. In past years the company brought beautiful concepts like the full-size, four-door Ciel convertible, and the taught, athletic Elmiraj coupe. The latter of these showcased designed cues that trickled into production Cadillacs. No word (or pictures) on the exterior yet. We'll be sure to have complete coverage of the concept later this week. Related Video: Image Credit: Cadillac Cadillac Concept Cars Videos Pebble Beach