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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.

Cadillac CT4 Luggage Test | How much fits in the trunk?

If you go by exterior specs, the Cadillac CT4 is more similar to a BMW 3 Series or Mercedes C-Class. However, if you go by interior space (or price), it's more like a Mercedes A-Class or BMW 2 Series Gran Coupe. That's definitely true of the trunk, which measures a rinky-dink 10.9 cubic feet, according to GM's specs. That number is what you'd expect in a small luxury coupe rather than a sedan. Indeed, the old ATS Coupe had 10.4 cubic feet.  Nevertheless, the CT4 is somehow not the smallest in the segment. That would be the A-Class and its 8.9-cubic-foot trunk. Good grief. Now, Mercedes has been known to shortchange its cargo capacity numbers so we'll have to luggage test that at some point to know for sure. Today, let's see if the CT4 is in keeping with that 10.9 number. Also, how much worse is it than the also rinky-dink CT5 trunk or the overly optimistic 2 Series Gran Coupe? Yep, that looks pretty small. Also, note the weird rail-like things that hampered the CT5 (below right) are also present here in the CT4 (below left). There's also a similar lip to clear for the folding back seat, but the CT4's opening seems bigger.  As in every luggage test I do, I use two midsize roller suitcases that would need to be checked in at the airport (26 inches long, 16 wide, 11 deep), two roll-aboard suitcases that just barely fit in the overhead (24L x 15W x 10D), and one smaller roll-aboard that fits easily (23L x 15W x 10D). I also include my wife's fancy overnight bag just to spruce things up a bit (21L x 12W x 12D). All but the biggest bag fit, which is exactly the same number that could fit in the CT5. As the below photo shows, the bigger car has just a bit more space left over. Maybe for a pair of grocery bags. That would be consistent with the difference in cubic feet: 11.9 cubic feet versus 10.9. What about the BMW 2 Series Gran Coupe? BMW says it has 15.1 cubic feet of space, but it doesn't. At least not using the same measurement criteria that the vast majority of other manufacturers use. It can carry the biggest bag, but it would still need to leave the fancy bag behind. That's also while utilizing the 2 GC's ample under-floor storage compartment.  As such, the CT4 does indeed have a small trunk, but it's at least in keeping with its competitors. The CT5 cannot say that, regardless of which segment you compare it to.  Unfortunately for the CT4, though, the story does not stop here.

2015 Cadillac Escalade blings its way into LA

The new Cadillac Escalade sauntered out onto the Los Angeles Auto Show stage, showing off its new familial face and redesigned interior. That exterior, with its slim, wrap-over headlights and tall, vertical taillights (both made up of LEDs) is a subtle but significant departure from the past styling of General Motors' flagship SUV.
And while there's no shortage of stuff to discuss about the Caddy's exterior, its cabin is where the big changes happen. Aside from the column-mounted shifter, the cabin receives a heavy going-over, receiving Cadillac's new CUE infotainment system and a significant upgrade to the materials. Comparing it to furniture, Eric Clough, Cadillac's director of design for interiors, said, "An exceptional level of craftsmanship has gone into the redesign of the 2015 Cadillac Escalade, and it all centers on the premium materials and extensive use of cut-and-sew live stitching."
Under hood sits a 420-horsepower, 460-pound-foot, 6.2-liter V8. Fitted with direct injection and active fuel management, fuel economy for the big Escalade should get a much-needed boost beyond the current model's 14-city and 18-highway miles per gallon, although official numbers haven't been published quite yet. A six-speed automatic is the sole gearbox choice. Cadillac has also fitted the new Escalade with GM's magnetic ride control system, which should deliver a more refined ride than its predecessor.