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Cadillac CT6 PHEV battery shape a big departure for GM's plug-in hybrid tech

Anyone with any familiarity with the electric powertrain details for the two General Motors plug-in hybrids will have noticed that the information we have about the newly announced Cadillac CT6 plug-in hybrid has a lot of numbers in common with the Chevy Volt and the Cadillac ELR, like the 18.4-kWh lithium-ion battery pack and an expected all-electric range of 37 miles. We also noticed that the announcement calls the plug-in CT6 hybrid an actual plug-in hybrid and not an "extended range electric vehicle (EREV)," which is what GM calls the Volt and the ELR. This, of course, means we needed to ask GM some questions. Donny Nordlicht from Cadillac communications told AutoblogGreen that while the Volt and CT6 batteries are both 18.4-kWh, the shape is completely different. In the Volt/ELR, the battery is T-shaped (see it here). The CT6 has four seats, with a tunnel running between the two in the rear, as you can see here, but the battery in the CT6 PHEV is "a cube-shaped pack, which is between rear seats and the trunk," Nordlicht said. "There is no pass through." GM has not yet released any technical schematics about this pack, but Nordlicht said that, "The CT6's advanced mixed-material platform was designed to accommodate the PHEV system by design so that it minimally intrudes on the cabin space." It also means that the CT6 can be ordered as an optional PHEV, while the Volt and ELR were purpose-built plug-ins. GM is also distinguishing between the EREV and PHEV powertrains in its vehicles from this point forward. "We are not discarding the EREV language," Nordlicht said. "The CT6 utilizes a two-motor system mated to a 2.0T 4-cylinder engine, which is an all-new system to Cadillac." We assume that the PHEV packs will use li-ion cells from LG Chem, just like the EREVs do, but Nordlicht did not answer our question on that point. As for other details about the CT6 PHEV – like production, full dimension, and pricing – we will just have to wait until closer to when the vehicle launches for those. Related Video:

Our interview with Jeremy Clarkson and James May, plus SEMA! | Autoblog Podcast #491

This week, David Gluckman and Mike Austin talk SEMA madness, mis-aligned steering wheels, wireless charging, McLarens (they're sports cars!), and decals. We also have an excerpt from a recent interview with James May and Jeremy Clarkson of The Grand Tour and Top Gear fame. As always, we talk about a variety of cars we've been driving and then respond to some questions from listeners. And as a bonus, there's a trivia question mixed in. The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want questionable buying advice of your very own, send a message or a voice memo to podcast at autoblog dot com. Oh, and please send trivia questions! You'll get the honor of stumping your fellow listeners, and we'll thank you too. Autoblog Podcast #491 The video meant to be presented here is no longer available. Sorry for the inconvenience. Topics and stories we mention Stars Selling Cars The Ford Flex is dying SEMA! Dodge Durango Shaker concept New Mercedes inline-six engines Our interview with Jeremy Clarkson and James May Mercedes-Benz E-Class McLaren 570S Ad of the Week: Volvo ABCs of Death Spend My Money on used cars Rundown Intro - 00:00 The news - 02:15 Clarkson/May interview excerpt - 17:12 What we've been driving - 21:12 Ad of the Week - 39:02 Spend My Money/listener questions - 44:13 Total Duration: 57:05 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show in iTunes Celebrities Podcasts SEMA Show Cadillac Dodge Ford McLaren Mercedes-Benz Volvo ford flex the grand tour mclaren 570s SEMA 2016

Why GM will import the Cadillac CT6 PHEV from China

There's a clear-cut reason that General Motors is going to build its upcoming plug-in hybrid CT6 sedan in China. Sure, the car will be sold in China and the US, but the real reason for the "Made In China" stamp is environmental. If an automaker wants to build a new model in China, adding a green powertrain is an easy way to do that. The CT6 will have both a PHEV option as well as standard gas engine versions. David Leone, Cadillac's executive chief engineer, told AutoblogGreen recently that, "[China is] far more receptive to approving localized production of vehicle programs that have new energy vehicle powertrain applications." To put it succinctly, since the CT6 has a PHEV option, it is easier for GM to build all CT6 models in China. Some of them will then be imported to the US. "Most new global Cadillacs will also be produced in China as well. It's our second-largest market in the world." "To bring any new car into China, to produce it, you need government approval," Leone said. "The government isn't interested in bringing many new cars to market that don't have new energy credits. [The CT6] also provides new energy credits that enables it to be an attractive, well-received product in China." Leone said that there are two main markets for the various CT6 models: China and the US. The car will arrive in the 2017 model year, so some time after the end of June 2016. There are other practical reasons to build the PHEV in China, like the cells in the battery pack. Those are provided by LG Chem, which makes some cells in Michigan but more in South Korea. And GM already builds cars in China through its joint venture with SAIC, Shanghai General Motors, or SGM. "In February 2013 we started making the XTS, in summer of 2014 we started making the ATS-L," Leone said. "We will be producing [the CT6] within a number of months. Most new global Cadillacs will also be produced in China as well. It's our second-largest market in the world." The Chinese and US versions of the CT6 will be identical, Leone said. While some Cadillacs sold in China are slightly different than the US versions – the Chinese ATS is 77 millimeters longer, for example – the CTS6 PHEV will be exactly the same in both places, other than slight tweaks to the trim levels. Still, "more of our cars going forward will be the exact same car," he said. That doesn't mean that sales will be the same everywhere.