Trim: Base This Onyx Black 2018 GMC Sierra 1500 Base might be just the regular cab for you. It comes with a 4.3 liter 6 Cylinder engine. This one's a deal at $27 765. This one scored a crash test rating of 5 out of 5 stars. Flaunting a gorgeous black exterior and a dark ash/jet black interior this car is a sight to see from the inside out. Don't wait until it is too late! Call today to schedule an appointment. Customer and VIN# must qualify for GM rebates and discounts. Take delivery by the end of this month to take advantage of the GM rebates and discounts. Some rebates require a trade-in vehicle. If deal has no trade you give up the trade assistance rebate. Some rebates require you to finance with a particular bank. Price includes NG-2 Resist-All $790 value with an option to opt out at signing. https://harryrobinson.com/NG2. Contact Information: Harry Robinson Buick GMC 6000 S. 36th Street Fort Smith AR 72908 Phone: (479) 646-8600 E-mail: firstname.lastname@example.org.