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Cadillac upgrades ATS sedan to match new coupe

The big news when it comes to the Cadillac ATS for 2015 is surely the addition of the new coupe model, but that doesn't mean that Cadillac has forgotten about the sedan as well. In fact GM's luxury brand has rolled out a few choice enhancements for the four-door to bring it more in line with the new coupe.
Among those changes that we spotted a couple of weeks ago is a new front fascia that incorporates the brand's new wreath-less emblem, and a sleeker front bumper. The interior has been upgraded as well with new trim options as well as some new tech including Siri Eyes Free functionality, dictated text messaging and optional inductive smartphone charging.
Though the ATS Coupe does away with the base engine, sedan buyers can still opt for the 2.0-liter four with 202 horsepower and 191 pound-feet of torque. The 3.6-liter V6 carries over unchanged at 321 hp and 275 lb-ft, but the 2.0-liter turbo four gets the upgraded torque rating of 295 lb-ft (the highest in the range) to go with its 272 hp. Some new color choices are also among the upgrades you can read more about in the press release below.

Genesis wins J.D. Power Tech Experience Study for third straight time

The results are out for the J.D. Power 2023 U.S. Tech Experience Index (TXI) Study, which "focuses on the user experience with advanced vehicle technology as it first comes to market and is an early measure of problems encountered by vehicle owners." Its measurement metric is problems per 100 vehicles (PP100), same as with the J.D. Power Initial Quality Study (IQS). The takeaway this year isn't that owners aren't using advanced technologies, as was the case with the 2022 study, or that they're having more problems with them overall. It's that owners of battery-electric vehicles are having more problems with advanced tech than owners of ICE-powered vehicles. According to the study, 17 of 21 features that can be had on both propulsion types — such as remote parking assistance and gesture controls — get lower satisfaction ratings by owners of BEVs, in some cases nearly 20 PP100.  The survey organization says this tracks with what its found in the IQS, where total vehicle problems were "46% higher among BEVs (excluding Tesla) than ICE vehicles and satisfaction is lower among owners of BEVs across nine of 10 APEAL categories than among owners of ICE vehicles." Findings regarding biometric measurements are among those that go against the overall study findings. Whether a fingerprint reader or an eye tracker, car owners in general said "they do not consider them to be useful." In terms of ease-of-use and satisfaction, plug-and-charge capability on EVs gets good marks. This allows EV owners to plug into a public charger and have payment taken care of automatically; the vehicle communicates with any charging station compatible with an automaker's plug-and-play system, so the vehicle can automatically submit a bill for the charging session to a central owner account with no further action needed at the station. Survey respondents noted a mere 6 PP100 and an 88.9% satisfaction.    Among manufacturers, repeat winners took the top prizes. Genesis earned the highest rank for innovation overall and among premium brands for the third straight year. Hyundai not only won the tech innovation banner for mass market brands for the fourth straight year, ahead of Kia, GMC, Ram and Subaru, Hyundai finished in second in the overall standings. On that overall chart, the top five are Genesis, Hyundai, Cadillac, Lexus and BMW. On the premium chart, Genesis is followed by Cadillac, Lexus, BMW and Mercedes-Benz in the top five. It wasn't close from the first to the rest, though.

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