Boasts 21 Highway MPG and 18 City MPG! This GMC Sierra 1500 boasts a Turbocharged Gas I4 2.7L/ engine powering this Automatic transmission. WHEELS, 20 X 9 (50.8 CM X 22.9 CM) 6-SPOKE HIGH GLOSS BLACK PAINTED ALUMINUM, TRANSMISSION, 8-SPEED AUTOMATIC, (COLUMN SHIFTER) ELECTRONICALLY CONTROLLED, TRAILERING PACKAGE.*This GMC Sierra 1500 Comes Equipped with These Options *SUSPENSION PACKAGE, HIGH CAPACITY, PRO VALUE PACKAGE, CONVENIENCE PACKAGE , TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL, THEFT-DETERRENT SYSTEM, UNAUTHORIZED ENTRY, TAILGATE, GMC MULTIPRO TAILGATE, TAILGATE, GATE FUNCTION MANUAL WITH EZ LIFT, STERLING METALLIC, SIRIUSXM TRIAL SUBSCRIPTION, SEATS, FRONT 40/20/40 SPLIT-BENCH.