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Cadillac CT6 beefs up with 400-hp twin-turbo V6

Cadillac's engine lineup is set to get a makeover led by the potent powerplants under the hood of the CT6. Our man Steven Ewing is onsite at an event in Detroit reporting all the details. Here's what we know so far: The CT6's top engine will be a 3.0-liter twin-turbo V6. It's the first twin-turbo with cylinder deactivation, which essentially makes the V6 able to convert to a V4 unit. Power will be 400 horsepower at 5,500 rpm and 400 pound-feet of torque at just 2,500 rpm. No word on what a potential CT6-V would get. The CT6 will also have a naturally aspirated V6 that Cadillac is claiming to be all-new. It's rated at 335 hp at 6,800 rpm and 284 lb-ft at 5,300 rpm. That's an improvement of 14 hp and nine lb-ft compared with today's 3.6-liter V6, and fuel economy increases nine percent. Cadillac says it's the highest output for a naturally aspirated V6 that's SAE-certified and runs on regular fuel. Both of these V6s will have stop/start technology and will be paired to with eight-speed automatic transmissions. The 3.6-liter V6 will also be used in the 2016 CTS and the 2016 ATS. Meanwhile, Ewing reports that Cadillac says the ATS-V is actually more powerful than initially announced, though there are no numbers to flesh that claim out as yet. The brand also plans to offer four- and six-cylinder diesel engines in various vehicles and new V8 options. The CT6 bows at the New York Auto Show. It will use an aluminum-intensive body that reduces weight by 198 pounds compared with a steel setup and continues Cadillac's creased design language used on the CTS and ATS models. The CT6 goes into production late this year in Detroit. Related Video: Cadillac Next-Gen V-6 Engines Led by 3.0L Twin Turbo Segment-leading power, efficiency in world's most advanced six-cylinder DETROIT – Cadillac today announced a new generation of V-6 engines, led by an exclusive Twin Turbo V-6 that will be one of the industry's most advanced six-cylinder gasoline engines. It leverages the latest technology to balance efficiency, performance and refinement in the upcoming, top-of-the-range CT6 luxury performance sedan. The all-new Cadillac 3.0L Twin Turbo is designed to achieve new thresholds of refinement and specific output for the brand's new prestige luxury sedan, which makes its world premiere March 31, at the New York International Auto Show. Production begins late this year at General Motors' Detroit-Hamtramck Assembly Plant.

Is Lincoln MKC cutting into Cadillac SRX sales?

The two big American luxury brands of Cadillac and Lincoln are on surprisingly similar paths at the moment with both divisions hoping to redefine themselves and grow popularity. They're still early in the process with no clear winner yet, but things might actually be looking up for Lincoln's latest model, according to a monthly sales analysis from The Motley Fool. It seems, at least early on, that the new MKC crossover might be taking a bite out of the Cadillac SRX's growth.
The MKC launched just a few months ago and has been getting a big marketing push from a series of oft-mocked ads starring the smooth-talking Matthew McConaughey. The luxury CUV has been the popular, new kid on the block with growing sales since its introduction. While smaller than the SRX, the Lincoln starts at a lower price and offers better fuel economy.
Through June, the SRX performed well with sales up over 20 percent on average through June, according to The Motley Fool. However, July and August saw things plummet with year-over-year drops of 7 percent and 37 percent, respectively. It still far outsold the MKC in terms of actual units in a given month, but the Caddy's continued growth has appeared to stagnate.

The new presidential limo is almost ready and way bigger than a Suburban

If you're familiar with the current presidential limo, which is nicknamed The Beast, you know it's based on a medium-duty truck platform. This new one, shown in aerial spy photos, appears to be just as huge. The vehicles flanking it in these shots are Chevrolet Suburbans, basically the largest passenger vehicle you can buy. And while the limo looks car-shaped, it's very tall and much longer than the three-row SUV. You might say it's yuge. Like its predecessor, The Beast 2.0 is being developed in secret because all of its various systems and defenses are matters of national security. We are fairly confident that it has lots of armor protection, glass that's about five inches thick, and special systems to clean the air in the event of a biological warfare attack. The current Beast is also said to carry a pint or two of the President's blood type just in case something does happen. When the President is being transported in a motorcade, he is at his most vulnerable, so Cadillac One and the vehicles that surround it have to be prepared for almost anything. In fact, two identical presidential limos travel together to make it harder for would-be attackers to do bad stuff. The Suburban escort it's getting here at the GM proving grounds is appropriate, since most of the vehicles used by the Secret Service to accompany the President's motorcade are big GM SUVs. By the looks of this camouflaged prototype, GM is nearing completion of testing the new Presidential car. The styling is a mix of CT6 sedan and Escalade, with a little XTS thrown in, and it looks a lot more sleek by comparison than the current blocky Beast. When it's ready, President Donald Trump will be the first to ride in it on official business and the current beasts will probably be retired and end up in a museum. Related Video: Featured Gallery Cadillac One Presidential Limo Spy Photos View 13 Photos Image Credit: Chris Doane Automotive Government/Legal Spy Photos Cadillac Luxury Sedan the beast cadillac one