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2018 Buick Enclave: How engineers made it larger, lighter, more sophisticated

Buick used the unveiling of the 2018 Enclave at the New York Auto Show to introduce its new range-topping Avenir sub-brand to the world. With fancier interior finishes and exterior details, it's Buick's latest effort to make itself a proper luxury brand (or perhaps re-establish itself as such). However, lost in the Avenir song and dance is the fact that the 2018 Buick Enclave is a (very) long-awaited all-new model regardless of the trim level one selects. Like the Chevrolet Traverse upon which it is based, the new Enclave is bigger than the vehicle it replaces but considerably lighter, by about 400 pounds. "We told every engineer, 'get your job done, but then take the weight out,'" said engineer Rick Spina as we hovered next to his larger yet lighter creation. His team therefore set about taking a little bit of weight out from just about everywhere, from using additional aluminum in the suspension to varying the thickness of the frame (thicker in places that needed to be stronger, thinner and therefore lighter in places that didn't). Only about 100 pounds came out of the body with the rest coming from elsewhere. Not only will the reduced weight improve fuel economy (Buick-estimated at 19 mpg combined with FWD versus 18 for the 2017 model) and presumably the old Enclave's rather ponderous handling, but it should only make things easier for the new powertrain: General Motors' now-familiar 3.6-liter V6 and its latest nine-speed automatic. With 302 horsepower and 260 pound-feet of torque, Buick says the new engine will need 7.2 seconds to reach 60 mph with FWD or 7.5 seconds with AWD. That's a second quicker than before. Besides acceleration, towing is also bumped up by 500 pounds to 5,000. For those models with all-wheel drive, the Enclave has the same basic system featured on range-topping versions of the Buick LaCrosse. Besides power being sent front and rear, it can also differ from right to left in the back, although Spina is quick to point out that capability is for traction-enhancing purposes rather than sporty, handling-enhancing torque-vectoring ones. Buick owners already appreciated the Enclave for its quietness so the engineers decided to take it that much further. This included altering the exhaust, improving body sealing (there are triple door seals), including active sound deadening and utilizing advanced materials that absorb sound as opposed to simply being thick, dense and heavy enough to keep it out.

GM recalls 500K Chevy Camaros for ignition-switch defect

General Motors issued a recall for more than a half million Chevrolet Camaros on Friday morning because of an ignition-switch safety hazard that mirrors the one at the center of the company's current crisis.
The problem affects Camaro models from the 2010 to 2014 model years. Approximately 464,712 cars are impacted in the United States, and 511,528 overall in North America. GM will alter the Camaro key to a more standard design, and will notify car owners with a recall notice in the mail.
In an announcement, the company said the ignition switches on the Camaros are fundamentally different parts than the older ignition switches found on defective cars that are responsible for killing at least 13 people and causing 54 crashes.

Restyled 2014 Buick Regal adds AWD, Regal GS loses power

Although the current Buick Regal hasn't even been on the market for very long, General Motors is using the New York Auto Show to unveil an updated version of the sedan in a similar fashion to what we saw yesterday with the 2014 LaCrosse. Like the LaCrosse, all 2014 Regal models will be getting a new look both for the exterior and interior design, but the big news takes place under the sedan's skin.
Except for the base Regal eAssist, the Regal Turbo and Regal GS will both be adding the benefit of all-wheel drive, but there is no word as to how much weight this system will add to each car's curb weight. The Regal Turbo's 2.0-liter turbocharged four-cylinder has received a decent bump in output from 220 horsepower and 260 pound-feet of torque to 259 hp and 295 lb-ft; unfortunately, these same figures are carried over to the Regal GS, which means that car drops from 270 hp. Both turbocharged models (Regal Turbo and Regal GS) will now be offered with all-wheel drive and the ability of sending more than 90 percent of the engine's torque to the rear wheels.
In terms of styling, the 2014 Regal gets similar styling changes found on the updated Enclave and LaCrosse, including reworked fascias, scalloped headlights and a full-width chrome strip spanning between the new LED taillights. Inside, key changes were made to the Regal's cabin technology, such as the instrument gauge cluster and infotainment system. On the Regal and Regal Turbo, a new 4.2-inch color display is available for drivers to see information for the vehicle, navigation and audio systems, but the Regal GS' cabin is slightly different with an eight-inch configurable gauge display. One of the best changes may be the overall reduction in buttons on the center stack, creating a cleaner-looking and easier-to-use cabin.