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Cadillac gives enthusiasts an early look at its next high-performance sedans

Cadillac will introduce a pair of sport sedans named CT4-V Blackwing and CT5-V Blackwing, respectively, at 7 p.m. Eastern today (February 1). While car companies routinely drum up excitement for new models by releasing tightly-cropped or blacked-out images, Cadillac surprised us with a photo, and a TV spot that aired during the Rolex 24 at Daytona, that shows both cars in their entirety. Somewhat confusingly, the CT4-V and the CT5-V are not direct replacements for the ATS-V and the CTS-V; they're mid-range models, and they're powered, equipped, and priced accordingly. It's these flagship Blackwing variants that will pick up where the last-generation Vs left off with a significant bump in power, numerous chassis tweaks, and a more aggressive-looking design. They'll arrive in showrooms in time for the 2022 model year. Blackwing drivers won't draw unnecessary attention to themselves, because the visual changes are relatively subtle. Riding on model-specific wheels, the CT4-V Blackwing gains bigger air intakes on the front end, vents punched into the fenders, and a low-key body kit that adds a front splitter, front winglets, and a trunk-mounted spoiler. Cadillac gave the CT5-V a similar treatment, and it mounted the rear wheels on surprisingly wide tires. Cadillac pointed out the Blackwing sedans benefit from the world's fastest-reacting suspension system. It's likely the fourth evolution of its magnetic ride control technology, which it detailed in October 2020.  While full specifications remain under wraps until the duo's unveiling, we know that both sedans will be available with a six-speed manual transmission. It's reasonable to assume that an automatic (likely the familiar 10-speed) will be offered as well. As for what's under the hood, our crystal ball tells us that the CT5-V will land with a V8 engine, though it won't be the short-lived twin-turbocharged Blackwing unit that gave both cars their name. Enginers might have selected an evolution of the CTS-V's 6.2-liter. As for the CT4-V, it will receive the ATS-V's 3.6-liter turbocharged V6. Both models will be exclusively available with rear-wheel-drive. Enthusiasts who want to secure an early built slot will have the chance to reserve a 2022 CT4-V Blackwing or a 2022 CT5-V Blackwing by visiting Cadillac's website shortly after the sedans are unveiled on February 1. As we previously reported, the first 250 units of each car will wear a numbered plaque on the steering wheel.

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging

Mystery shoppers love Infiniti, hate Tesla

Infiniti, followed by Lexus tied with Mercedes-Benz took the top two spots for best sales experience according to mystery shoppers from the latest Pied Piper Prospect Satisfaction Index, while EV manufacturer Tesla recorded the lowest overall score. Not surprisingly, premium brands dominated the top ranks. Including the three already mentioned, luxury brands occupied seven of the top ten spots and included Audi, BMW, Porsche, and the only American brand to crack the upper echelon, Cadillac. Toyota, Volkswagen, and Nissan rounded out the first ten positions. The news for domestic automakers isn't good. Aside from Caddy, the only other star-spangled automaker to score above the industry average is Chrysler. The rest of FCA, most of GM, and all of Ford fell below the line. But Pied Piper's mystery shoppers handed Tesla the biggest walloping – the company is ten full points below the next lowest brand, Volvo, and its score of 86 is 17 below the average of 103. It's baffling, considering the company's touted direct-sales model. "Tesla leaves me scratching my head," Fred O'Hagan, Pied Piper's president and CEO, told Wards Auto. "They own all of their stores, so you would think each one would be doing the same thing. But they're not. Tesla is consistent in its inconsistencies." O'Hagan added that there's a "huge variation" in Tesla's store-to-store effectiveness, and that in some cases, shoppers found showroom workers that acted more like "museum curators," Wards Auto reports. It might be popular to call Tesla the Apple of the car world, but based on Pied Piper's work, the brand has a long way to go to emulate the uniform shopping experience of an Apple Store. The news might be bad for Tesla, but even for the brands that scored below average, there's cause for celebration. Only Tesla and Mini lost points in this year's rankings, and only Mercedes and Lincoln held steady. Every other brand, including Infiniti, which topped the index for the first time, gained at least one point. The biggest improvements belong to Porsche, Land Rover, and Mitsubishi, which all jumped five points. Pied Piper's annual Prospect Satisfaction Index uses mystery shoppers – over 6,100 this year – from across the country to assess dealers and generate rankings from over 50 individual factors. News Source: Pied Piper via WardsAuto Green Audi BMW Cadillac Chrysler Infiniti Lexus Mercedes-Benz Nissan Tesla Toyota Car Buying Car Dealers study