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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 Cascada will start at $33,990

The Buick Cascada goes on sale early next year, bringing open-air motoring to the brand in the US for the first time in 25 years, and you'll need $33,990 to buy the standard model. Notice there's no asterisk after that price in the headline, because $33,990 includes the destination charge. Buick compares this convertible with the $37,525 Audi A3 droptop, noting that the 200-horsepower Cascada has 30 more hp, navigation and heated front seats as standard, eight-way power seats instead of four-way, 20-inch wheels instead of 17-inchers, and a heated steering wheel. The Cascada in Premium trim will run $36,990 and add forward collision alert and lane departure warning, auto headlights, park assist front and back, rain-sensing wipers, and two air deflectors. Quite a few of you have commented that it would be great if Buick could price the Cascada where the defunct Chrysler 200 Convertible used to live, and it's in the neighborhood. The 2014 200 S convertible was the top of the line in the model's last year, came with a 283-hp, 3.6-liter V6, and started at $33,445 before destination. It lacked the features, refinement, and looks of the Cascada, and that thirsty V6 got you gas mileage of 14 highway, 21 city. The soon-to-depart Volkswagen Eos, which also comes up frequently in Comments, starts at $32,860 after destination. If Buick kept the suspension tuning engaging, this could be really good. There's a press release below with more info. Your browser does not support iframes. Buick Cascada Priced at $33,990 Well-equipped convertible offers high levels of standard content, technology DETROIT, 2015-09-23 – The top-down driving experience of the 2016 Cascada – Buick's first convertible offered in the United States in 25 years – is priced at $33,990. When it goes on sale early next year, the Cascada will offer more standard content, a more powerful standard engine and a lower starting price than the Audi A3 Cabriolet. "Cascada expands Buick's lineup with a uniquely fun and personal driving experience," said Duncan Aldred, vice president of Buick. "With a lower price than key competitors, it also promises to shake up the segment – and look good doing it." The 2016 Cascada – designed from the ground up as a convertible – comes well-equipped in a 2+2 configuration, with room for four adults.

Junkyard Gem: 1986 Buick Riviera

The Buick Riviera personal luxury coupe attained monstrous proportions by the middle 1970s, scaling in at well over 4,500 pounds by 1976. After spending 1977 and 1978 as sibling to the Chevy Caprice, the Riviera then moved to the front-wheel-drive platform used by the Cadillac Eldorado and Oldsmobile Toronado, staying there through the 1985 model year. The Riviera world became a lot more interesting for the 1986 model year, when a smaller and more sophisticated generation hit showrooms with curvier lines and electronic gadgetry straight out of science fiction. Today's Junkyard Gem is one of those cars, found in a self-service boneyard in Phoenix, Arizona. What makes this car such a fascinating bit of automotive history is this dash-mounted touchscreen interface, known as the Graphic Control Center. The 1986 Riviera was the first GM vehicle to get the GCC, which means it was the first production car in history with a factory-installed touchscreen display. This system became available in the Buick Reatta and the Oldsmobile Toronado a few years later.  The GCC used a cathode-ray tube screen sourced from an ATM manufacturer, which ran on 120VAC power and required an inverter and dangerous high-voltage wiring inside the dash. It was used to operate the HVAC, the radio and the trip computer, as well as to display operating and diagnostic information. The system used numerous bulky components in addition to the dash screen; I've extracted a couple of complete sets of GCC components over the years and plan to build them into a junkyard-parts boombox. As it turned out, the senior-citizen-heavy demographic of Buick shoppers didn't feel great enthusiasm for the GCC and there wasn't a huge sales payoff for this revolutionary technology. That didn't stop GM from introducing the first mass-produced cars with head-up displays a couple of years later. The running gear wasn't quite as sophisticated as the GCC. The 1986-1993 Rivieras got old-fashioned 3.8-liter Buick V6s under their hoods; the one in this car was rated at 140 horsepower and 200 pound-feet. If you wanted a manual transmission in your '86 Rivvie, you were out of luck. A four-speed automatic was mandatory equipment. Note the unusual face-loading cassette deck in front of the shifter; the AM/FM radio was a remote-controlled unit living inside the center console. The MSRP for this car was $19,831, or about $55,691 in 2023 dollars.