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11 vehicles from Barrett-Jackson Las Vegas worth watching

This weekend will see the world's collector car crowds descend on Las Vegas, NV for one of the biggest shows on Barrett-Jackson's popular auction circuit. There are hundreds of vehicles up for bidding, ranging from a brand-new Lamborghini Aventador to a spattering of Art Deco classics and a huge swath of classic muscle cars.
While it's virtually impossible to assemble an inarguable list of the best cars coming during the three-day, 700-plus vehicle auction, we've sifted through the listings for this year's show - it was a tough assignment, we promise - and assembled a list of what we think will be some of the most interesting lots. We'll admit, it's a bit heavy on American iron, but if you browse BJ's listings, you'll come to a similar conclusion. Still, scroll down for our list of what we think will be the most interesting vehicles at the upcoming auction.

Dodge Challenger spied exercising supercharged Hellcat Hemi V8

One of the prime complaints against the Dodge Challenger is that, even in SRT8 guise, its 470 horsepower is responsible for hauling over 4,200 pounds of vehicle. For comparison, the 420 hp in the Ford Mustang GT only has to deal with 3,618 lbs. Things only get worse from there, as the higher-performance variants of both the Mustang and the Chevrolet Camaro are far more powerful than an SRT8 without adding on much heft.
So what is Chrysler to do? The correct answer is add a whole lot more grunt to its hefty two-door and even the odds. That's where the all-new Hellcat engine comes into play. We reported on this engine in May, and suggested that the Hellcat, a supercharged powerplant based on a 6.4-liter V8, would easily generate 500 to 570 hp and could likely arrive boasting more than 600 ponies.
Chrysler's ace in its sleeve has now been spied testing, with a number of Hellcat-equipped Challengers running the potent new engine both in more urbanized areas and under the sun of Death Valley. The hoods on these testers have been raised to accommodate the engine, and that camouflage over the fascias of these prototypes is there to hide a larger air intake. We also note what appears to be a new split grille under wraps. As for power output, our spies are now suggesting a Viper-equalling 640 hp from the Hellcat-equipped cars.

Dodge pulls New Girl and The Office stars for new Dart spots

Dodge is hoping that a heavy dash of humor helps it move some more units of the Dart with a hilarious ad campaign called Don't Touch My Dart. The spots star actors Craig Robinson, best known for his role as Darryl on The Office, and Jake Johnson from New Girl as neighbors and friends playing a game of one-upmanship over Robinson's new car. Johnson is envious of the ride and just wants to touch it.
The ads are pretty funny if you're a fan of somewhat absurdist humor, and Robinson has just the right amount of over-the-top seriousness to really make the commercials work. They have kind of a Roadrunner and Wile E. Coyote vibe with Johnson constantly in inept pursuit of what he wants, but he clearly isn't getting it.
The first four spots in the campaign are already online, but according to Dodge this is just the beginning. The company says that it's planning about 24 different versions of these ads in various lengths to play on TV and online. You can check out the ads titled First Scratch, Birdhouse Police Garage Door and Voice Touching below, along with the brand's release about the new ads. There's also a pretty good gag on its YouTube page with Robinson protecting his Dart.