With a wide range of trim levels, performance options, and standard features, the 2013 GMC Sierra 1500 Extended Cab has something for every driver and more room for each passenger to boot.
Take on the road with a list of strong performance options under the hood that include a 4.3 liter V6, a 4.8 liter V8, and a 5.3 liter FlexFuel V8 engine. Whether you are towing, carrying cargo, or simply transporting the whole family, the 2013 Sierra 1500 Extended Cab provides the smooth ride of an independent front coil over shock suspension and a rear two-stage multi-leaf spring suspension. In addition to a fully boxed frame with a hydroformed front section, the new Sierra 1500 protects its passengers with frontal, side impact, and side curtain airbags. Keep in touch with your vehicles performance using a conveniently located driver information center that includes an odometer and a message center for numerous systems.
Come to Bob Howard Buick GMC and experience the strength and versatility of the new 2013 GMC Sierra 1500 Extended Cab today!
Handle every heavy duty project with ease using the new 2013 GMC Sierra Extended Cab Long Box SLE 4-Door RWD Pickup Automatic | Base Price: $33,370 |
 The SLE offers the performance of a 5.3 liter V8 engine and a smooth six speed automatic transmission. Navigation, emergency assistance, and hands free calling all come as part of the SLE trim's OnStar Directions and Connections plan.
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Take a spin in the adventurous new 2013 GMC Sierra 1500 Extended Cab Long Box SLE 4-Door 4WD Pickup Automatic | Base Price: $36,840 |
 The SLE trim is equipped with 315 horsepower, 5.3 liter engine V8 with FlexFuel technology. With six months of an OnStar Directions and Connections plan, the SLE enjoys turn by turn navigation, automatic crash response, and stolen vehicle assistance.
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Presenting the rugged new 2013 GMC Sierra 1500 Extended Cab Long Box SLT 4-Door RWD Pickup Automatic | Base Price: $37,625 |
 This trim has increased towing capabilities due to its rear wheel drive, heavy duty cooling package, and powerful 5.3 liter V8 engine. Enjoy the premium comfort of this trim's leather appointed front seats and leather wrapped steering wheel.
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Meet the versatile new 2013 GMC Sierra 1500 Extended Cab Long Box SLT 4-Door 4WD Pickup Automatic | Base Price: $40,875 |
 The SLT is well equipped to handle your towing needs with a trailering package that includes a trailering hitch platform, two inch receiver, and a seven wire harness. This trim has the enhanced sound quality of a Bose premium speaker system and a subwoofer that is located in the center console.
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Explore the great outdoors with the new 2013 GMC Sierra 1500 Extended Cab Long Box WT 4-Door 4WD Pickup Automatic | Base Price: $32,705 |
 The WT can perform both on and off the road with a 5.3 liter V8 engine and an all wheel drive system. A sleek look and capable performance is provided by this trim's 17x7.5 inch, 6-lug painted, steel wheels with all season tires.
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Presenting the new 2013 Sierra 1500 Extended Cab Long Box WT 4-Door RWD Pickup Automatic | Base Price: $29,655 |
 The WT trim owes its performance to the combination of a 5.3 liter V8 engine and a six speed automatic transmission. Cruise down the road like never before with a solid smooth ride suspension package.
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Start an adventure in the new 2013 GMC Sierra 1500 Extended Cab Standard Box SL 4-Door 4WD Pickup Automatic | Base Price: $35,370 |
 Accelerate down the road with a fluid four speed, electronically controlled, automatic transmission with overdrive. Enjoy music with an AM/FM stereo or Sirius satellite radio for the duration of any drive.
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Go for a spin inside the new 2013 Sierra 1500 Extended Cab tandard Box SL 4-Door RWD Pickup Automatic | Base Price: $32,020 |
 This SL trim confronts any heavy duty situation with ease with its 4.8 liter V8 engine and four speed automatic transmission that has a tow/haul mode. Be prepared for whatever situation arises on the road with OnStar's Directions and Connections plan that includes emergency services, navigation, and stolen vehicle assistance.
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Introducing the adventurous new 2013 Sierra 1500 Extended Cab Standard Box SLE 4-Door 4WD Pickup Automatic | Base Price: $35,730 |
 Make use of the performance offered by a 302 horsepower, 4.8 liter V8 engine. Conveniently unlock and start the SLE trim with a remote vehicle starter prep package.
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Presenting the new 2013 GMC Sierra 1500 Extended Cab Standard Box SLE 4-Door RWD Pickup Automatic | Base Price: $32,320 |
 Have the strength to take on the road with a 302 horsepower, 4.8 liter V8 engine with variable valve timing. With six months of OnStar's Directions and Connections plan, you are equipped with everything you need to take on the road, including emergency assistance and navigation.
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Meet the capable new 2013 GMC Sierra 1500 Extended Cab Standard Box SLT 4-Door RWD Pickup Automatic | Base Price: $37,325 |
 Stay safely connected to everyone as you drive with the SLT's Bluetooth hands free phone technology. Kick back and relax on 10 way power, front bucket seats that have sleek leather trim.
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Introducing the all new 2013 GMC Sierra 1500 Extended Cab Standard Box SLT 4-Door 4WD Pickup Automatic | Base Price: $40,575 |
 Easily connect your mobile phone in the new SLT trim with Bluetooth phone technology. Appreciate the towing capacity provided by a 5.3 liter V8 engine and a trailering package that includes a trailering hitch platform and seven wire harness.
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Hit the wilderness with the rugged new 2013 GMC Sierra Extended Cab Standard Box WT 4-Door 4WD Pickup Automatic | Base Price: $31,595 |
 This four wheel drive trim is propelled down the road by a 302 horsepower, 4.8 liter V8 engine and a four speed, electronically controlled, automatic transmission. Embrace every type of terrain with 17x7.5 inch 6-lug painted, steel wheels and all season, blackwall tires.
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Take a ride in the versatile new 2013 GMC Sierra Extended Cab Standard Box WT 4-Door RWD Pickup Automatic | Base Price: $27,615 |
 Take on the road regardless of conditions with 17x7.5 inch 6-lug painted steel painted wheels and all season tires. With a powerful six speaker audio system, people will hear you coming down the road before they see you.
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| Base Standard Equipment |
| Interior Standard Equipment |
| Assist handle, front passenger - Also includes rear assist handles in the headliner |
| Coat hooks, rear driver and passenger side |
| Cruise control, electronic - With set and resume speed, located on steering wheel |
| Cup holders, front and rear |
| Driver Information Center - With odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal "on", transmission temperature and oil change notification) (Driver Information Center controls are operated through the trip button unless (UK3) steering wheel mounted audio controls is ordered.) (On SLE and SLT models, includes 8-point compass and outside temperature) |
| Headliner, Opal Gray-colored cloth - With matching retainer moldings |
| Lighting, Interior - With dome and reading lights, illuminated entry feature and backlit instrument panel switches |
| Power outlets, 2 auxiliary instrument panel-mounted - With covers, 12-volt |
| Steering column, Tilt-Wheel, adjustable - With brake/transmission shift interlock |
| Tire Pressure Monitor System - Does not apply to spare tire |
| Tools, mechanical jack and wheel wrench - Located in back of cab |
| Warning tones - Headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on |
| Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection - (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) |
| Air bags, head curtain side-impact, front and rear outboard seating positions - With rollover sensor (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) |
| Air bags, frontal, driver and right-front passenger - With Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) |
| Exterior Standard Equipment |
| Air dam, Black |
| Bumper, rear chrome, step-style with pad |
| Daytime Running Lamps - With automatic exterior lamp control |
| Headlamps, dual halogen composite - With automatic exterior lamp control and flash-to-pass feature |
| Lamps, dual cargo area lamps |
| Pickup box, Wideside |
| Spare tire lock - Keyed cylinder lock that utilizes same key as ignition and door |
| Tailgate protection - Top of tailgate protection cap |
| Tire carrier, outside spare - Winch-type mounted under frame at rear |
| Wheel, 17" steel spare - Spare wheel will not cosmetically match the other 4 wheels |
| Wipers, front intermittent wet-arm with pulse washers |
| Mechanical Standard Equipment |
| Alternator, 145 amps |
| Battery, heavy-duty 600 cold-cranking amps, maintenance-free - With rundown protection and retained accessory power |
| Brakes, 4-wheel antilock, front disc/rear drum |
| Exhaust, aluminized stainless-steel muffler and tailpipe |
| Frame, fully-boxed, hydroformed front section |
| StabiliTrak, stability control system - With Proactive Roll Avoidance and traction control |
| Steering, power, rack-and-pinion |
| Suspension, front independent, coil over shock |
| Suspension, rear 2-stage multi-leaf springs, semi-elliptic |
| Warranty Standard Features |
| Bumper-to-Bumper Limited Warranty - 3 years/36,000 miles |
| Powertrain Limited Warranty - 5 years/100,000 miles |
| Roadside Assistance - 5 years/100,000 miles |
| Rust-through Corrosion Perforation - 6 years/100,000 miles |
