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2014 Chevrolet Silverado and GMC Sierra debut all-new designs, three new engines

General Motors has finally dropped the curtain on the 2014 Chevrolet Silverado and 2014 GMC Sierra. Both trucks have undergone substantial revisions with updated versions of the company's 4.3-liter V6, 5.3-liter V8 and 6.2-liter V8 engines. In a shot across the bows of both Ford and Chrysler, GM says it won't use a V6 engine adapted from passenger car applications. Instead, it developed the 4.3-liter engine based on its proven truck-duty architecture.
All three mills will boast direct injection fuel systems as well as a new cylinder head design. Combined with a revised piston, the new engines feature a smaller combustion chamber with a compression ratio of 11:1 or higher depending on the application. Cylinder deactivation and continuously variable valve timing are all part of the recipe, and each engine is paired with a six-speed automatic transmission with auto grade breaking. So far, no fuel economy or horsepower figures have been released, though GM says the new engines will best their predecessors in both areas.
Outside, the trucks feature a number of enhancements to reduce drag and wind noise, and GM claims both the Silverado and Sierra will offer buyers some of the quietest cabins in the class. Extended cab models now feature front-hinged rear doors to allow easier access to the back passenger area, and Crew Cab buyers can now select between a five-foot, eight-inch bed or a six-foot, six-inch bed. Buyers with a mind toward going off road will also rejoice in the return of the Z71 package, complete with Rancho shocks, front tow hooks and additional under-body protection.

Corvette Z06 and Viper TA square off at the strip

There are many long-standing grudge matches among automobiles: 911 vs GT-R, Mustang vs Camaro, Ferrari vs Lamborghini... but as far as high-end American metal goes, it doesn't get much more legendary than Viper vs 'Vette. So after Chevy released the new Corvette Z06, we knew it was only a matter of time before it would have to square off against the Viper TA. And what better place to pit these two parallel pillars of American performance than on the drag strip? Fortunately that's just what we have here. In one corner, the 2014 Dodge Viper TA, with its 8.4-liter V10 pumping out 640 horsepower and 600 pound-feet of torque. In the other, the 2015 Chevrolet Corvette Z06, the supercharger on its 6.2-liter V8 more than making up for the discrepancy in displacement and cylinder count to produce 650 hp and just as much torque. But numbers don't tell the whole story, so watch the video clip to see which reaches the end of the quarter-mile first. News Source: To the Floor via YouTubeTip: James Chevrolet Dodge Videos drag race chevy corvette z06 quarter mile drag strip srt viper ta

Sunday Drive: Taking a gaze into the automotive crystal ball

Mankind has long been fascinated by the future. So it makes sense that this past week's top stories were all about cars, trucks, and SUVs that won't be hitting the market until the 2019 model year. And right at the top of the list is the Ram 1500. We've come to know Ram as the truck maker that styles its pickups with cues cribbed from big rigs, but that look has slowly evolved over time into something uniquely its own. The next Ram 1500 continues this trend, with a newly refined look that we can't wait to see in person. Up next is the 2019 Chevy Silverado. Pickup trucks have been, continue to be, and will remain the best-selling vehicles in America. And General Motors is a leader in the field, with two distinct offerings with which to entice buyers, one from the bread-and-butter Chevrolet brand and one wearing the slightly more upscale GMC badge. The Chevy looks to get LED lighting elements for 2019, which ought to keep the truck from looking dated when compared to the Ford F-150 and the previously mentioned Ram 1500. From there we move past pickup trucks and into SUVs and sedans. The 2019 Jeep Cherokee looks to get toned down a bit with its next refresh, and the '19 BMW 3 Series continues its slow evolutionary journey at the top of its aspirational sales pedestal. Finally, spy shots give way to official production reveals for the 2019 Audi A7 and Polestar 1. This pair of European luxury cars won't compete with one another – one is a rakish hatchback and the other a sports coupe – any further than for the eyeballs of our readers, but both proved popular enough to merit inclusion in our weekly roundup. As always, tune in to Autoblog next week for a front-row seat to all the happenings worth following in the automotive industry. 2019 Ram 1500 spotted without the classic crosshairs 2019 Chevy Silverado spied with new LED accents 2019 Jeep Cherokee reveals a much more normal face 2019 BMW 3 Series spy shots reveal production lights, new interior details 2019 Audi A7 revealed: More torque, refined styling Polestar 1 First Look | The 600 horsepower hybrid Scandinavian Green Audi BMW Chevrolet Jeep RAM Volvo Truck Hatchback SUV Future Vehicles Hybrid Luxury Performance Sedan sunday drive polestar 1