The base engine in the 2017 Silverado HD remains the 6.0L Vortec L96 V-8. The gasoline drinker is still E85-compatible, meaning that it’s capable of running on unleaded or up to 85 percent ethanol.
CARS.COM — Compact SUV sales are hot right now. Cars.com decided to take seven contenders and evaluate them all against each other over three days with three expert judges. Let’s see how they did.
GMC isn’t finished with the new 2017 Sierra HD, quite the contrary. To back up the 445 hp and 910 lb-ft of torque from the new 6.6-liter L5P Duramax turbo-diesel V8 engine, GMC felt the Sierra HD ...
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