Today GM is talking about the amount of time that it spent with the all-new 2014 GMC Sierra pickup in a wind tunnel to benefit both its fuel efficiency and interior quietness.
Today GM is talking about the amount of time that it spent with the all-new 2014 GMC Sierra pickup in a wind tunnel to benefit both its fuel efficiency and interior quietness. The photos also give us our first look at the 2014 GMC Sierra standard cab, which up until now had not been unveiled.
Stay tuned for all the details soon.
