<img title="GMC Could Be GM's Special-Vehicle Lab" src="http://blogs.cars.com/.a/6a00d83451b3c669e201b8d0d1f0aa970c-800wi" border="0" alt="GMC Could Be GM's Special-Vehicle Lab" class="excerptimg"/>The one thing's for sure regarding GMC--they have an opportunity here. Here's what we have in mind.
