<img title="2015 Chevrolet Silverado 2500/3500 HD: First Drive" src="http://blogs.cars.com/.a/6a00d83451b3c669e201a5115f1f57970c-800wi" border="0" alt="2015 Chevrolet Silverado 2500/3500 HD: First Drive" class="excerptimg"/>We had our first chance to drive the 2015 Chevy HDs and we're impressed. We share the details.