CARFAX One-Owner.4WD.GMC Dealership Serving Boulder, CO Drivers – Mike Maroone GMC GMC Sales, Service, and Parts in Boulder, CO If you have been longing to get into a new GMC close to Boulder, CO, then right now is an ideal opportunity to find your next auto at a low cost, here at Mike Maroone GMC. Enjoy Free Delivery anywhere in Colorado. Our GMC Truck line is headed by the Sierra 1500, 2500 and 3500, each new GMC model can be found here at our Boulder, CO dealership. Discover your new GMC in Boulder now for a test spin of your dream car. Odometer is 12185 miles below market average!Awards: * 2017 KBB.com Brand Image AwardsReviews: * Seating for up to nine passengers; standard V8 engine delivers ample passing power and a stout tow rating; clean cabin design is one of the best in the class; available two-speed transfer case gives the Yukon the ability to tackle difficult off-road terrain. Source: Edmunds