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New V6 engines are only the start at Cadillac

Cadillac debuted its new family of V6 engines Friday, but that's not all General Motors' luxury brand has in store for the coming years. The six-cylinder powerplants will certainly help Cadillac in the near term, but they're just two of the many parts of the company's future strategy. GM has invested $12 billion in Cadillac to help the brand grow over the next five years, and the company will launch eight new products between now and 2020. That all starts with the launch of the CT6 flagship later this year – a fullsize luxury sedan we'll see for the first time in New York on March 31. The CT6 will introduce several new features and technologies to the Cadillac range, and with its launch also begins the slow restructuring of Cadillac's model-naming system. The new nomenclature means CT and XT badges for cars and utilities, respectively. Cadillac says that of the eight new vehicles it plans to launch by 2020, five of them will be first-time offerings in market segments where the brand currently does not play. But it's not just about new products – new powertrains are an important part of the Cadillac story, too. After the new V6 engines – a naturally aspirated 3.6-liter and a twin-turbocharged 3.0-liter engine – launch later this year in the 2016 ATS, CTS and CT6, the company says it has a strategy for V8 power – possibly a twin-turbo application – as well as future electrification. Cadillac also says it's working on adding four- and six-cylinder diesel powertrains, though it's unclear which vehicles will make use of those engines. This new six-cylinder engine family is indeed important, with Cadillac's chief engineer, David Leone, calling it the "most advanced V6 in the industry." With 335 horsepower, the 3.6-liter engine is the highest output, naturally aspirated V6 powerplant Cadillac has done – and that's SAE-certified, and on regular fuel. Beyond that, the 3.0-liter mill (pictured at right) marks the first application of GM's active fuel management system on a twin-turbocharged engine. This means that when full power isn't necessary, the TTV6 can run as a 2.0-liter V4 in order to save fuel. New transmissions are also part of the V6 engine story. GM's all-new eight-speed Hydra-Matic 8L45 gearbox will be paired to the 3.6-liter V6, and the 3.0-liter TTV6 will use the company's existing 8L90 transmission that is already found in the Chevrolet Silverado and GMC Sierra pickups (with the 6.2-liter engine).

Book by Cadillac subscription service returns next year

Cadillac rolled out its subscription service Book by Cadillac at the beginning of 2017. On December 1, 2018, the automaker put the service on hiatus after having made a few revisions and learned a lot of lessons. Just a month later, brand president Steve Carlisle told GM Authority at this year's Detroit Auto Show that Book was definitely returning. A week after that, GM chief financial officer Deborah Wahl said Book 2.0 could be ready as soon as Q2 this year. It's taken a touch longer than expected to sort out the kinks, but Automotive News reports Wahl told an audience at the J.D. Power/NADA AutoConference L.A. that the real return happens in the first quarter of 2020.  When Book went on hiatus last year, the service charged $1,800 per month for insurance, maintenance, unlimited miles, the ability to swap into any Cadillac at will, and concierge-like vehicle delivery to your location with amenities like bottled water, umbrellas, and detailing. Good things came of it for the brand, such as the 70% of subscribers who'd never owned a Cadillac. Yet the drawbacks were too much. At one point, the carmaker said Book's halt was due to technical issues like "snags with the back-end technology used to support the service" that hampered customer service and increased costs. Cadillac managed the Book's fleet, as opposed to the dealers, and consumer choice — or a lack of it — played a role in the hiatus. In Carlisle's comments to GMA, he said that subscribers didn't swap out vehicles nearly as much as expected. Even though everything up to the full-fat V-Series models was in the catalogue, Carlisle said of the customers, "They wanted an XT5." The devotion to that one product changed the economics. "Are [subscribers] going to stay in that service if thatÂ’s what they realize they want?" he asked. "It is inherent in that model that we maintain more than one car per customer. And you got to think through the economic implications of that. Particularly if utilization is a lot lower than we thought because people are switching less than we thought." Wahl didn't offer any specifics on how Book 2.0 will differ from Book 1.0, only saying that there will be more "convenience, flexibility and value for potential subscribers." There will be less focus on swapping cars, and Cadillac will "base it off the dealer network." Since the brand's 900 U.S. dealers have the inventory, anyway, that should help both parties.

GM reworking mandatory OnStar plans for some 2024 models

For the 2023 model year, GM added its OnStar and Connected Services plan as standard equipment to a large number of Buick, GMC, and Chevrolet vehicles. Folding the $1,500 retail price into the MSRPs of models like the GMC Acadia and Buick Encore plumped up prices beyond the usual year-on-year bumps. Looks like there's a reversal in play for 2024, GM Authority reporting that many of the models fitted with OnStar and Connected Services — now called OnStar Premium — will step down to three years of OnStar Remote Access standard.   OnStar Remote Access comes with these features: Remote key fob, vehicle locate, and remote personalization through mobile and in-vehicle apps. Three additional features can be added to the plan: OnStar Guardian, in-vehicle hotspot, and Super Cruise. Owners can also upgrade to OnStar Premium if they choose.  Higher trims like Buick's Avenir and GMC's Denali, plus the GMC Hummer and the Cadillac Escalade will retain OnStar Premium as standard equipment. That suite starts with Remote Access and adds: Automatic crash response, stolen vehicle assistance and recovery, OnStar Guardian, in-vehicle app access, unlimited streaming, three years of Super Cruise on vehicles with the hardware, and six months of SiriusXM radio. The Escalade puts a cherry on top with three years Sirius XM instead of six months. The Remote Access plan normally charges $14.99 per month. We're not sure yet if GM will subtract the cost of OnStar Premium from the MSRP and add the $540 for OnStar Remote Access, or if the trial period comes free of charge. Even if that's what happens, the change could take nearly $1,000 off the MSRP of a car like the GMC Acadia before any 2024 increases. We'll know more as the 2024MY models roll out and prices are announced. Related Video 2022 Buick Enclave Avenir revealed