08 Denali Crew Cab Truck 6.2l V8 Leather Nav Dvd on 2040-cars

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2018 GMC Acadia with 'Christmas Aero' modification gets in the wind tunnel

Tis the season of "Big" - big cheer, big parties, big bowls of eggnog, big decorations, and when it comes to your family hauler, big drag. Festive drivers who festoon their crossovers, minivans, and SUVs with wreaths, Rudolph noses, fuzzy antlers, and rooftop Christmas trees undo the years of work that car engineers devote to fractional gains in fuel economy. To put numbers to such fuel-guzzling madness, GMC started with a 2018 Acadia, optioned it with the Xmas Aero Package - both Standard and Plus versions - put it in Lockheed-Martin's wind tunnel. The resulting dip in fuel economy results probably won't surprise anyone who's used a roof rack - or, for that matter, their car's air conditioning. However, it might surprise you to find out which seemingly substantial decoration had no effect, and which seemingly innocuous decoration was about twice as bad as running the A/C on its Mr. Freeze setting. Check out the brief video above for the results. And consider placement of that bow carefully.

2019 GMC Sierra AT4 First Drive Review | Off-road overkill

The road ahead is dirt with a rut here and a rock there. Brush keeps a respectable distance on the right side, the edge on the left gradually falls away into the valley below. The grade is nothing your treadmill couldn't duplicate and traction is pretty good. Honestly, a couple in their Subaru Crosstrek could pop up here for a picnic. The 2019 GMC Sierra AT4 we're driving is therefore complete overkill. But at least it looks the part as it trudges up this uncharacteristically verdant mountain with San Diego in the distance to the north and Mexico to the south. Its special, dechromed AT4 grille has a purposeful appearance, but tastefully lacks the show-off machismo of Ford and Ram's off-roading models. The red tow hooks are a nice touch and the dark-accented 20-inch wheels wrapped in all-terrain rubber are just the right size beneath a suspension that is raised an extra 2 inches from every other Sierra. That would be one of the key elements that differentiates the AT4 as the Sierra's off-roading model – GMC's answer to the Chevy Silverado's Trail Boss trims. In fact, their mechanical enhancements are identical. Besides the 2-inch lift, the suspension features off-road-tuned Rancho monotube shocks. There's also a locking rear differential, a two-speed transfer case, skid plates and those tow hooks. The 5.3-liter V8 with Dynamic Fuel Management is similarly standard, but unlike the Silverado Trail Boss, the Sierra AT4 offers the 6.2-liter V8 good for 420 horsepower and 460 pound-feet of torque as a roughly $2,500 option. That's the engine we have and it delivers the expected punch, complete with a satisfyingly snarling exhaust note. However, as observed in back-to-back drives with these two available engines during the Silverado launch, the 6.2 certainly isn't necessary. The 5.3-liter is seriously capable and the bigger engine is largely for those who want to have the biggest number possible emblazoned on the fender. It's overkill, which in this particular environment, is fitting. Besides the available engine upgrade, the AT4 also goes beyond its Trail Boss counterpart by dipping into the Sierra Denali's tool box. Its MultiPro tailgate is standard equipment, allowing for six different configurations, the most notable of which include a means of more easily reaching into the bed and a drop-down step that eases entry into the bed. GMC's considerable touting of that last element is rife with hypocrisy given GM advertisements that mocked Ford's similar feature.

Second part of Forza Horizon 3 car list revealed early

We previously brought you the first portion of Forza Horizon 3's list of 350 cars last week, and today we're bringing you part two. Apparently Fairfax Media in Australia had the list and images early and published them on The Sydney Morning Herald's website . We say early because the publication's story reveals that Playground Games, the developer of the game, plans to make the official announcement on the Forza website this Wednesday. This set of virtual machinery brings us closer to the full list, which will continue to be revealed over the coming weeks. While this part is smaller than the first one, it still features a number of notable automobiles, including the Bugatti EB110 Super Sport, GMC Syclone and Ferrari Dino 246 GT. This list also adds more vintage Aussie machines, including the very cool 1974 Holden "Sandman" HQ panel truck. Fans of the Mad Max movies may remember Max's Sandman truck from the original film. Check out the list of new cars from The Sydney Morning Herald below and take at look their article for new images and insight on what the developers' goals were for the game. 2007 Alfa Romeo 8C Competizione 1970 AMC Rebel "The Machine" 1998 Aston Martin V8 Vantage V600 2011 Audi RS 5 Coupe 2011 BMW X5 M 1981 BMW M1 1992 Bugatti EB110 Super Sport 1970 Chevrolet Corvette ZR-1 1966 Chevrolet Nova Super Sport 2008 Dodge Viper SRT10 ACR 1969 Ferrari Dino 246 GT 1968 Ferrari 365 GTB/4 2011 Ferrari FF 1978 Ford Mustang II King Cobra 1956 Ford F-100 1991 GMC Syclone 2016 Holden Special Vehicles GTS Maloo 1951 Holden 50-2106 FX Ute 1974 Holden Sandman HQ panel van 2012 Infiniti IPL G Coupe 2015 Jaguar XFR-S 1997 Lamborghini Diablo SV 2014 Lamborghini Urus 2014 Land Rover Range Rover Supercharged 2005 Lotus Elise 111S 2013 Mazda MX-5 1990 Mercedes-Benz 190E 2.5-16 Evolution II 2013 Mercedes-Benz E 63 AMG 1999 Mitsubishi Lancer Evolution VI GSR 2008 Mitsubishi Lancer Evolution X GSR 2000 Nissan Silvia Spec-R 1977 Pontiac Firebird Trans Am 2010 Renault Megane RS 250 2008 Subaru Impreza WRX STi Related Video: News Source: The Sydney Morning HeraldImage Credit: Playground Games/Microsoft Auto News Bugatti Ford GMC Holden Technology video games forza motorsport forza horizon 3