1979 Buick Regal T-type T153938 on 2040-cars

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NFL QB Cam Newton and supermodel Miranda Kerr star in Buick's Super Bowl ad

Buick's Super Bowl LI ad is another demonstration that its cars aren't frumpy anymore. The ad opens with parents watching their children play football, with one of the dads, we'll call him "Dad No. 1," shouting encouraging words to his son. In the background, a bright red Buick Cascada pulls up, and another dad, "Dad No. 2," points it out. Dad 1 doesn't believe him, and says, "If that's a Buick, then my kid's Cam Newton." All of sudden, his son transmogrifies into Carolina Panthers quarterback Cam Newton. As expected, he quickly dominates the game, with some amusing results. At the end, when a Buick Encore shows up, the referee inadvertently turns himself into supermodel Miranda Kerr, based on apparent disbelief over what constitutes a Buick. You can see all of the shenanigans in the video above. Plus, if you'd like to see what goes into making a Super Bowl commercial, Buick produced a short video with Newton and Kerr showing what happens behind the scenes. You can check it out below. Related Video:

2018 Buick Regal GS First Drive Review | More power, style and doors

During our test-drive of the 2018 Regal GS, Buick took us to Atlanta Motorsports Park and hired stunt drivers to teach us mild-mannered journalists how to do a J-turn. It's an emergency maneuver, also known as a Rockford, in which the car reverses at full speed, spins 180 degrees and takes off in the exact opposite direction from where it was headed. It symbolized perfectly Buick's hopes for the Regal GS, its most ambitious attempt yet at a bona fide American sports sedan. Buick is trying to shake off decades of stigma as a maker of grandpa-spec wafters. Since 2008, it has been rebadging the Opel Insignia, developed by GM's German subsidiary and built in Russelsheim, as the Regal. In 2012, Buick revived the Regal GS badge, providing power from a 2.0-liter turbo four, initially at 270 horsepower but then detuned to 259 hp in 2014 as AWD was introduced. Buick had high hopes of challenging the luxury greats, and while the previous Regal GS received good reviews as a genuine sports sedan, it never really caught on in the marketplace. Buick took a risk by redefining the brand, but ultimately, it wasn't quite successful enough to be uttered in the same breath as BMW, Mercedes-Benz and Lexus. The 2018 Regal GS doubles down on that lofty goal with a better-fleshed-out version of the outgoing car. It returns with improved styling and even more power, courtesy of a naturally aspirated 3.6-liter V6 generating 310 horsepower and 282 lb-ft of torque. In other words, the new GS is up 40 horses, but down 13 lb-ft with an engine that comes straight from the GM parts bin. Within GM, it is known as the "High Feature" engine, used in everything from Cadillacs to V6 Camaros to the GMC Acadia. Autoblog has knocked this engine on refinement but generally praised its power, so it's a mixed bag. On the Regal GS, though, the drivetrain exhibited a marked improvement on the refinement front. Buick spokesperson Stuart Fowle attributed this to the new nine-speed automatic it's mated to, a quick and smooth-shifting transmission well-programmed to keep the engine at optimal revs. The result deviates quite a bit from the Opel Insignia, which maxes out with a turbocharged 2.0-liter inline-four good for 197 horses and 300 lb-ft. With turbo 2.0-liter fours now the de facto entry-level engine for most luxury carmakers, having the 3.6-liter V6 makes the 2018 Regal GS more distinctive, a bit more American and less of a European copy-paste job than its predecessor.

Buick Cascada dies the death everyone expected

Four months ago, the Grim Reaper came for the Opel Cascada. Groupe PSA, which bought Opel from General Motors in 2017, announced the two-door convertible would be phased out. On sale here since 2016 as the Buick Cascada, GM told us it had nothing to say about PSA's announcement. On Friday, the U.S. automaker spoke up, telling Automotive News the droptop "has reached the end of its originally-planned lifecycle and 2019 will be the last model year offered. Dealers have been notified and many will have stock through the rest of this year." Buick paid big money to advertise its first convertible since the 1991 Reatta. Buick threw money at Super Bowls ads and a gaggle of celebrities two years in a row. And when sales began in 2016, Buick enlisted The Unbreakable Kimmy Schmidt star Ellie Kemper for a series of television and online spots. U.S. dealers have been instructed to file final orders this month, and production will continue at the factory in Poland until this summer. Yet the fact we're in February and dealers are predicted to have stock for the next ten months says everything necessary about the state of play. The brand sold roughly 17,000 units in three years, and both 2017 and 2018 saw sales declines of more than 25 percent. Buick didn't expect huge sales from the import, though, and the Cascada earned conquest buyers. A spokesman said, "The Cascada has played its role in the portfolio perfectly, outselling many other premium convertibles while bringing in [6 of every 10] buyers from outside GM." Last we heard, the LaCrosse ceases production next month. Unless the situation changes before the end of the year, Buick will have only the Regal on its passenger car books come 2020. GM will only have two convertibles in its portfolio worldwide, the Chevrolet Camaro and Corvette. Related Video: