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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.

Buick rolls out more potent Encore Sport Touring

Buick has announced a new Sport Touring version of the Encore. And more than a trim level or special edition, we're glad to report that the new model packs a more potent engine. Instead of the 1.4-liter turbo four that produces 138 horsepower and 148 pound-feet of torque in the standard Encore, the new Sport Touring model features a newer, more powerful engine that GM says shares little with the existing unit aside from its displacement. The new 1.4-liter turbocharged, direct-injection engine produces a more commanding 153 hp and 177 lb-ft of torque, which is up a good 11 percent and 20 percent, respectively, over the existing engine. It's still mated to a six-speed automatic transmission, and features a stop/start system to optimize fuel efficiency. Buick wasn't willing to estimate where the mile-per-gallon numbers might land, though that information will be available closer to sale. Along with the upgraded engine, Buick is also throwing in 18-inch wheels, a rear spoiler, and the features from the Convenience package as well. The new Encore model follows just a couple of months after we first caught wind of a trademark filed for the Sport Touring name. At the time, it looked like it was set to be applied to the Regal and LaCrosse sedan, which could still follow as well. Related Video: Buick Introduces 2016 Encore Sport Touring New 1.4L turbo engine adds performance, exclusive exterior cues add distinction 2015-07-20 DETROIT – Buick today introduced the 2016 Encore Sport Touring – a more spirited take on the brand's popular crossover. It is distinguished by unique exterior cues and driven by an exclusive, all-new 1.4L turbocharged engine featuring direct injection and stop/start technology. The exterior features include a winged rear spoiler, 18-inch aluminum premium-finish wheels and body-color door handles, while the technologically advanced 1.4L turbo is part of a new, global family of small, power-dense engines developed to balance performance and efficiency with exceptional refinement. Direct injection helps it generate an estimated 153 hp (112 kW) and 177 lb-ft of torque (240 Nm), for about 11 percent more horsepower and nearly 20 percent more torque than the Encore's standard engine – and a greater feeling of power on demand, particularly at low- and mid-range engine speeds. It's matched with a six-speed automatic transmission. Stop/start technology contributes to reduced fuel consumption in stop-and-go driving.

Watch 14 hot rides take over concept car lawn at Pebble Beach

The Pebble Beach Concours d'Elegance is an annual celebration of the beautiful, old cars that grace Monterey Car Week. But Monterey – and Pebble – features lots of newer metal, too, and that includes the concept lawn at Pebble Beach. Now, "concept lawn" isn't a totally accurate name anymore, and you'll see why in the list below. This year especially, plenty of production cars can be found in the area once reserved for the conceptual. Still, we're happy to see them. Here's what's featured this year: Alfa Romeo 4C Spider Audi R8 BAC Mono Bentley EXP 10 Speed 6 BMW 3.0 CSL Hommage R Buick Avenir Galpin-Fisker Rocket Speedster Hyundai HCD-16 Vision G Coupe Icona Volcano Infiniti Q60 Lamborghini Asterion LPI 910-4 Maserati Ghibli McLaren 570S Rolls-Royce Wraith By our count, that's seven concepts out of fourteen cars. But it still makes for one hot group of metal. Check 'em out in the gallery above. Related Video: Related Gallery 2015 Pebble Beach Concept Car Lawn View 38 Photos Image Credit: Copyright 2015 Drew Phillips / AOL Design/Style Alfa Romeo Audi Bentley Buick Infiniti Lamborghini Lincoln McLaren Porsche Concept Cars Videos Original Video Pebble Beach