Pickuptrucks.coms Mark Williams takes a first look at the 2014 GMC Sierra. Produced by: Matt Avery.\rbr\rbrPickuptrucks.coms Mark Williams takes a first look at the 2014 GMC Sierra.\rbr\rbrFor this Real Auto Reports Real First Impressions Video we take a quick look at the 2014 GMC Sierra SLT Crew Cab. The Sierra and the GMC brand have been .\rbr\rbrThe all-new 2014 GMC Sierra 1500 Denali makes a bold, refined first impression with detailed craftsmanship inside and out. Learn more about the features of .\rbr\rbrTest Drive Now road test review by Drive Time with Steve Hammes of the all-new 2014 GMC Sierra 1500 Crew Cab 4WD SLT. MSRP as tested: $51140. www.