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2016 Cadillac CT6 First Drive [w/video]

Cadillac moved to New York, renamed its cars and crossovers, and made cutting-edge technology one of its pillars. It's fighting hard to attract new customers and kill its outdated reputation as an old-man car brand in the United States. Change happens slowly, and then sometimes, all at once. Enter the 2016 Cadillac CT6. This is Cadillac's range-topping sedan. It's almost as long as the Mercedes S-Class and BMW 7 Series, yet in some configurations, it's lighter than their smaller siblings, the E-Class and 5 Series. The CT6 is a rolling showcase of General Motors' latest and best technologies, with potential breakthrough features like Super Cruise semi-autonomous driving waiting in the wings. It comes in a wide variety of flavors. The CT6 starts as low as $54,490 with a four-cylinder engine and rear-wheel drive, which is the car that Cadillac hopes will be cross-shopped with the mid-tier Germans. The top-end CT6 Platinum with all-wheel drive and the 404-horsepower V6 begins at $84,460, and it could make S-Class and 7 Series buyers rethink American luxury. Put simply, the CT6 means everything to Cadillac, but it will mean different things to its customers. It can be the executive chauffeur with all the backseat accouterments. Or it can be the massive yet somehow kinda sporty and nimble rear-wheel-drive sedan that weighs only 3,657 pounds. We tried both versions and came away impressed with both the strategy and the execution. It's a little strange to think that Cadillac doesn't offer a V8 in its biggest sedan. Taking the wheel on a sunny, cool day in rural San Diego County, we wonder if a 2.0-liter four-cylinder engine has what it takes to really move this giant. Our concerns quickly dissipate – this engine is also under the hood of the Chevy Camaro, and its 265 hp and 295 pound-feet of torque are more than up for the task. The big sedan handles curvy mountain roads adeptly. There's not a lot of roll for a car this size, even when we're aggressively whipping through tight turns. This poise comes from the CT6's rigid, lightweight aluminum and steel structure called Omega. We switch through the driving modes but settle on sport for the dash to the lunch spot. The steering is surprisingly tight and the brakes have strong response with little pedal travel. After a quick bite in an old mining town called Julian, we take off in the spotlight CT6, the Platinum trim, powered by the 3.0-liter twin-turbo V6. It's an enjoyable car to stretch out on the highway.

GM will likely build PHEV batteries in China soon

It's a big week for batteries. Friday, Tesla will hold a big event at its Gigafactory in Reno, NV. But even in Michigan, there are things happening on the electrified automotive front. This was proven when GM invited journalists to its Brownstown Battery Assembly Plant today, highlighting the six different battery packs it makes for nine vehicles around the world (plus a tenth, coming to Asia, that has not yet been announced). During our tour, we learned a few interesting tidbits that we thought readers would like to hear: The Cadillac CT6 plug-in hybrid launches in China this fall before coming to the US next year. GM builds the battery packs in Michigan and ships them to China for final assembly in the PHEV. For now, this is all fine for GM to qualify for China's incentives for building green cars in the country. But, as Bill Wallace, GM's director of global battery systems, told AutoblogGreen, this could change thanks to the country's 'Made in China 2025' plan. The situation is "evolving," he said, and it's a safe assumption that GM will need to build packs in China some day. For the CT6 PHEVs that will be sold in the US, the batteries will make a round trip, since GM will only build the plug-in version in China. As for the range of the CT6 PHEV, that hasn't been announced, but since China offers incentives for vehicles that get at least 50 kilometers (31 miles), that's a likely target (the US range (UPDATE: GM did announce an expected range for the CT6 PHEV in the US at the LA Auto Show last fall, saying it would "travel approximately 30 miles on a full electric charge"). The battery pack in the CT6 is also a clunky box-type thing, totally unlike the near-elegant T-shape used in the Volt. This despite the fact that the guts of the two packs are similar. Both have 192 li-ion cells and weigh almost the same, but GM tuned the CT6 pack for acceleration instead of range, the way it did with the Volt's pack. Still, the main reason the packs are different is because the CT6 is a rear-wheel drive vehicle, and the tunnel that the Volt's pack uses is occupied by the driveshaft. Despite the highly touted second-gen Chevy Volt going on sale last year, GM still has the capacity to build battery packs for the old, first-gen model. This is because the company is legally required to be able to provide replacement packs for warrantied vehicles (for up to 10 years), and the second-gen packs don't fit into the first-gen vehicles.

GM pauses 3.0-liter turbodiesel production due to a supplier shortage

General Motors confirmed it has temporarily stopped taking orders for trucks and SUVs equipped with the 3.0-liter Duramax turbodiesel six-cylinder engine. It blamed the last-minute pause on a supplier-related shortage. Website TFL Truck first reported the news, and a representative from General Motors quickly confirmed it. The spokesperson explained the issue is due to a "temporary part shortage" and added that production will resume "as soon as possible," meaning the Duramax engine (which is called LM2 internally) is not going away permanently. Additional details are not available, so we don't know if the issue is related to the ongoing chip shortage. Rather than delay deliveries and create a backlog, General Motors is reportedly asking its dealers to encourage buyers who want a turbodiesel engine to instead select either the 5.3-liter V8 or the 6.2-liter V8, depending on the model selected. Both are gasoline-powered units. There's no word yet on when Duramax production will resume. The shortage affects several models, including Chevrolet's Tahoe, Suburban, and Silverado 1500 and GMC's variants of these trucks. Cadillac's Escalade is temporarily diesel-less as well. Heavy Duty variants of the Silverado and the Sierra are not affected because they're powered by a different Duramax engine with eight cylinders. Motorists seeking a full-size SUV powered by an efficient turbodiesel engine are temporarily out of options because the Tahoe/Yukon and the Suburban/Yukon XL had the segment to themselves. The Duramax was surprisingly popular, too: in May 2021, GM Authority reported that the turbodiesel straight-six represented 8% of Suburban sales and 6% of Tahoe sales. Installed in a rear-wheel-drive Tahoe, the engine returns 21 mpg in the city, 28 mpg on the highway, and 24 mpg in a combined cycle, figures that make the body-on-frame behemoth more efficient than the unibody, front-wheel-drive Chevrolet Blazer that's 20 inches shorter and approximately 1,700 pounds lighter. Related video: 2021 Chevrolet Tahoe 3.0L Duramax engine