GM Rolls Out 2014 Chevy Silverado

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Engine choices include a V-6 and two V-8s, all with direct fuel injection, cylinder deactivation and continuously available valve timing. All three switch seamlessly to four-cylinder operation to improve efficiency during light load driving, GM said.

New interiors feature controls that are "easy to operate with work gloves on," while rear doors are larger and hinged at the front for easier access. The cab is stronger, with nearly two-thirds made from high-strength steel. A corner-step bumper makes the pickup box easier to access.

GM said the new trucks will undergo more than 6 million miles of durability testing and will accumulate real-world mileage in excess of 7 million miles during final testing, bringing total test miles to more than 13 million. Pricing has not yet been announced.

-- Written by Ted Reed in Charlotte, N.C.

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