Boasts 18 Highway MPG and 12 City MPG! This GMC Sierra 1500 delivers a Gas/Ethanol V8 6.2L/378 engine powering this Automatic transmission. WHEELS, 4 - 17 X 7.5 (43.2 CM X 19.1 CM) 6-LUG POLISHED CAST ALUMINUM, TRANSMISSION, 6-SPEED AUTOMATIC, TRAILERING PACKAGE, HEAVY-DUTY includes trailering hitch platform and 2-inch receiver, 7-wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector, wiring harness for after-market trailer brake controller (located in the instrument panel harness), and (KNP) external transmission oil cooler. This GMC Sierra 1500 Features the Following Options SUSPENSION PACKAGE, HANDLING/TRAILERING, HEAVY-DUTY includes 46 mm piston monotube shocks and 36mm front stabilizer bar (STD) (Includes 36mm front stabilizer bar when (NHT) Max Trailering Pack is ordered.), SLE PREFERRED PACKAGE includes (UK3) steering wheel controls, (CJ2) dual-zone automatic air conditioning, (AG1) 6-way power driver seat adjuster, (UPF) Bluetooth for phone, (UUI) AM/FM stereo with CD player and MP3 playback, (T96) fog lamps, (A60) locking tailgate and (PPA) EZ-Lift tailgate, MAX TRAILERING PACK includes (L9H) Vortec 6.2L V8 SFI engine, (G80) heavy-duty automatic locking rear differential, (Z85) Handling/Trailering Suspension Package, (AXN) 9.5 (24.1 cm) hybrid rear axle, (GT4) 3.73 rear axle ratio, (JD9) front and rear disc brakes, (Z82) Trailering package, (T96) fog lamps, (N88) 17 x 7.5 (43.2 cm x 19.1 cm) 6-lug polished cast aluminum wheels and (QJP) P265/70R17 on-/off-road, blackwall tires TK10543 and TK10753 Models also include (NQH) electronic Autotrac transfer case., TIRES, P265/70R17 ON-/OFF-ROAD, BLACKWALL includes an all-season blackwall spare, TAILGATE, LOCKING, TAILGATE, EZ-LIFT, STEERING WHEEL CONTROLS, MOUNTED AUDIO CONTROLS, STEALTH GRAY METALLIC, SLE PREFERRED EQUIPMENT GROUP Includes Standard Equi