2015 GMC Sierra 1500 4WD Double Cab 143.5" SLT Specs

Starting MSRP
16 / 22 mpg
Body Style
Horsepower @ RPM
355 @ 5600
Four wheel drive
Seating Capacity
Fuel Type
Fuel Economy
18 mpg
16 mpg
22 mpg
Engine Type
Gas V8
Horsepower @ RPM
355 @ 5600
Torque @ RPM
383 @ 4100
Fuel Efficiency
Fuel Economy
18 mpg
16 mpg
22 mpg
Fuel Tank Capacity
26 gallons
Cruising Range
416 miles
572 miles
Seating Capacity
Leg Room
1st row:
45 inches
2nd row:
34 inches
Head Room
1st row:
42 inches
2nd row:
38 inches
Shoulder Room
1st row:
65 inches
2nd row:
65 inches
Hip Room
1st row:
60 inches
2nd row:
60 inches
Suspensions And Tires
Tire Size
Front Tire:
Rear Tire:
Spare Tire:
Steering Type
Electric Rack & Pinion
Turining Diameter
Curb to Curb:
46 ft
143 inches
73 inches
80 inches
Ground Clearance
8 inches
8 inches
Weight And Trailering
Maximum Trailering Capacity
11,900 lbs
Safety Equipment
Daytime Running Lamps with automatic exterior lamp control
Air bags, dual-stage frontal airbags for driver and front passenger, seat-mounted side-impact airbags for driver and front outboard passenger, and head-curtain airbags for front and rear outboard seating positions; includes right-front airbag 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.)
Rear Vision Camera with dynamic guide lines
Tire Pressure Monitoring System (does not apply to spare tire)
Safety belt assurance system
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Interior Colors And Materials
Jet Black, Leather-appointed front seat trim
Jet Black/Dark Ash, Leather-appointed front seat trim
Cocoa/Dune, Leather-appointed front seat trim
Jet Black, Leather-appointed front seat trim
Jet Black, Perforated leather-appointed front seat trim
Jet Black/Dark Ash, Perforated leather-appointed front seat trim
Cocoa/Dune, Perforated leather-appointed front seat trim
SLT Preferred Equipment Group
Includes Standard Equipment
Max Trailering Package
includes 9.76" rear axle, (GT4) 3.73 rear axle ratio, with (MYC) 6-speed automatic transmission, (JL1) trailer brake controller, enhanced cooling radiator, revised shock tuning for increased control, heavier duty rear springs and increased RGAWR (Requires (RBX/RBW) 18" tires or may upgrade to (RD5) 20" polished aluminum wheels with either (RC7) or (QSS) 20" tires. With (L86) 6.2L engine, requires (RD5) 20" polished aluminum wheels with (QSS) 20" tires. Requires (DQS) power adjustable, power folding camper mirrors. Not available with (Z71) Off-Road Suspension Package.) Max Trailering Package Available on select SLE and SLT models, this package extends Sierra max trailer ratings.<sup>1</sup> <br /><br />It includes:<ul> <li>Increased towing and GCWR rating </li> <li>Automatic locking rear differential </li> <li>Handling/Trailering Suspension Package </li> <li>Enhanced cooling radiator </li> <li>Revised shock tuning </li> <li>Heavier duty rear springs and increased RGAWR </li> <li>9.76" rear axle&nbsp;&nbsp; </li> <li>Trailer brake controller </li> <li>Trailering&nbsp;Equipment </li></ul><p>Requires 5.3L EcoTec3 V8 engine or 6.2L EcoTec3&nbsp;V8 engine and power camper mirrors. Not available with Z71<sup>&reg;</sup> Off-Road Suspension Package.<br /><br /><sup>1</sup> Maximum trailer weight ratings are calculated assuming a properly equipped base vehicle plus driver.</p>
SLT Preferred Package
includes (UD5) Front and Rear Park Assist, (UVD) heated steering wheel and (A48) sliding rear window (Requires (N37) manual Tilt-Wheel and telescoping steering column.) Preferred Package <p>The SLE Preferred Package includes:</p><ul> <li>10-way power seat adjuster for driver (with front 40/20/40 reclining split-bench seat only)</li> <li>Manual tilt and telescopic steering column on Crew Cab models&nbsp;</li> <li>Remote vehicle starter system </li> <li>Front fog lamps </li> <li>Universal Home Remote on Crew Cab and Double Cab models </li> <li>Rear-window defogger </li> <li>110-volt power outlet </li> <li>Dual-zone climate control on Crew Cab and Double Cab models </li></ul><p>The SLT Preferred Package includes:</p><ul> <li>Front and Rear Park Assist, which&nbsp;helps the driver park by issuing warnings when the vehicle gets too close to an object </li> <li>Heated steering wheel </li></ul>
All-Terrain Package
includes (UHN) 18" x 8.5" (45.7 cm x 21.6 cm) bright machined aluminum wheels, (Z71) Off-Road Suspension Package with monotube Rancho shocks, (NZZ) underbody shield, (UD7) Rear Park Assist, (B58) carpeted floor mats, (VB5) front body-color bumper, (DD8) auto-dimming inside rearview mirror and (VT5) rear body-color bumper with corner steps. All-Terrain side emblem replaces Z71 side emblem. Requires one of the following exterior colors: (G1K) Stone Blue Metallic, ((GAZ) Summit White on Double Cab), (GBA) Onyx Black, (GCE) Sonoma Red Metallic, (GXG) Iridium Metallic, (GWX) Bronze Alloy Metallic or ((GBN) White Diamond Tricoat on Crew Cab only) (Requires 4WD models, (H2W) interior trim, (RBX) P265/65R18 all-terrain, blackwall tires or (RBW) P265/65R18 all-terrain, white outlined tires with (UHN) 18" x 8.5" (45.7 cm x 21.6 cm) bright machined aluminum wheels. Not available with (Y65) Driver Alert Package. Includes (AN3) front bucket seats and (UQA) Bose premium audio system. Upgradeable to (NZH) 20" wheels with (RC7) 20" tires or LPO 20" and 22" tires and wheels.) All-Terrain Package <p>Includes:</p><ul> <li>Z71 Off-Road Suspension Package </li> <li>Z82 Trailering&nbsp;equipment on&nbsp;SLE </li> <li>Under body shield </li> <li>White with Red letters Rancho<sup>&reg;</sup> Tenneco brand shocks </li> <li>Eaton<sup>&reg;</sup> automatic locking rear differential for off-road control </li> <li>Front and rear body-color bumpers with cornersteps&nbsp; </li> <li>All-Terrain emblem </li> <li>Rear park assist </li> <li>Inside rearview auto-dimming mirror </li> <li>Carpeted floor mats </li> <li>Outside heated power-adjustable power-folding chrome cap mirrors on SLE</li> <li>Fog lamps on SLE</li> <li>Chrome side moldings with chrome accent on SLE</li> <li>Chrome door handles on SLE</li> <li>Unique sill plates </li> <li>Front bucket seats with unique interior trim </li> <li>Bose<sup>&reg;</sup> premium speakers on SLT </li> <li>18" bright machined aluminum wheels </li> <li>Upgradeable to 20" or 22" wheels and tires </li></ul><p>Requires&nbsp;Double Cab or Crew Cab 4WD models. Not available with exterior colors Fire Red,&nbsp;Cobalt Blue&nbsp;Metallic, Bronze Alloy Metallic&nbsp;or (White Diamond Tricoat on Double Cab models).&nbsp;P265/65R18 all-terrain blackwall tires can be upgraded to P265/65R18 on-/off-road White-outlined letter tires.</p><p>On SLE models, require front bucket seats and Jet Black cloth trim.<br /><br />On SLT models,&nbsp;require front bucket seats and Jet Black&nbsp;Leather-appointed trim.</p>
All-Terrain Chrome Bumpers Package
includes (V46) front chrome bumper, (VJH) rear chrome bumper and (BWN) rear bumper corner steps (Requires (GAT) All-Terrain Package.) All-Terrain Chrome Bumpers Package Includes:<br /><ul> <li>Front chrome bumper </li> <li>Rear chrome bumper </li> <li>Rear bumper CornerSteps </li></ul>This feature requires the All-Terrain Package.
Driver Alert Package
includes Lane Departure Warning, Forward Collision Alert, Safety Alert Seat and (UD5) Front and Rear Park Assist (Requires (KB6) heated and cooled driver and front passenger seating, (AN3) front bucket seats and (H3A), (H3B) or (H3C) interior trim. Not available with (GAT) All-Terrain Package.) Driver Alert Package <p>This package includes safety-alert technologies designed to help the driver prevent a collision:</p><ul> <li>Lane Departure Warning &ndash; alerts the driver when the truck is moving out of its lane without activating a turn signal </li> <li>Forward Collision Alert &ndash; warns the driver when the truck is rapidly approaching another vehicle in front </li> <li>Safety Alert Seat &ndash; vibrates the driver's seat cushion to alert the driver when the truck is moving out of its lane without activating a turn signal or when the truck is rapidly approaching another vehicle in front </li> <li>&nbsp;Front and Rear Park Assist &ndash; help the driver when parking to gauge the distance to a stationary object </li> <li>Requires available manual tilt and telescoping steering column </li></ul><p>This package requires heated and cooled driver and front passenger seating, front bucket seats and perforated leather-appointed seat trim on Crew Cab and Double Cab models.<br />Regular Cab requires available 40/20/40 split-bench seats, Jet Black Cloth interior trim, SLE Convenience Package and 5.3L EcoTec3 V8 engine.<br /><br /></p>
LPO, Cargo Convenience Package
includes (VAV) All weather floor mats, LPO, (VKW) Front console organizer, LPO and (VBJ) Rear under seat storage, LPO, (dealer installed) (Requires (AN3) front full feature leather appointed bucket seats.) Cargo Convenience Package <p>Includes the following accessories:</p><ul> <li>All weather floor mats </li> <li>Front console organizer </li> <li>Rear under seat storage </li></ul><p>SLE models require colored-keyed carpeting and front cloth bucket seats.<br />SLT models require front full feature leather appointed bucket seats. </p>
LPO, Bed Protection Package
includes (VBR) Bed mat, LPO, (VUK) Tailgate liner, LPO and (5JY) Soft folding tonneau cover, LPO. (dealer installed) (Not available with (CGN) spray-on bed liner, (VBN) Bed rug, LPO, (VPB) Vinyl tonneau cover with integrated support bows, LPO, (VZX) Bed liner, LPO, (VQT) Hard tri-folding tonneau cover, LPO or (RW6) Metal bed storage box, LPO.) Bed Protection Package Includes:<ul> <li>Bed mat </li> <li>Tailgate liner&nbsp; </li> <li>Soft folding tonneau cover </li></ul>
LPO, Chrome Appearance Package
(dealer installed), includes (VXJ) 4" round chromed tubular assist steps, LPO, (VQZ) polished exhaust tip, LPO and (VLQ) chrome recovery hooks (Plant Installed) (Not available with (RVS) 4" round Black tubular assist steps, LPO, (RVQ) 6" rectangular Black tubular assist steps, LPO or (S6V) Cargo box retractable side assist step, LPO.) &nbsp;Chrome Appearance Package Includes:<ul> <li>4" round chromed tubular assist steps </li> <li>Polished exhaust tip </li> <li>Chrome recovery hooks </li></ul>
LPO, GMC Interior Protection Package
includes (VAV) all-weather floor mats, LPO and (VBR) rubber bed mat, LPO, (dealer-installed) (Not available with (PDM) Bed Protection Package, LPO, (PDL) Cargo Convenience Package, LPO, (VBN) bed rug, LPO, (CGN) spray-on bed liner or (VZX) bed liner, LPO.) GMC Interior Protection Package Includes the following options:<ul> <li>All-weather floor mats </li> <li>Rubber bed mat </li></ul>
Suspension Package, Off-Road
includes Z71 chrome side front fender emblems, monotube Rancho brand shocks and (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield on 4WD models and (V76) recovery hooks on 2WD model (Included with (GAT) All-Terrain Package. Not available with (QSS) P275/55R20 all-season, blackwall tires.) Off-Road Suspension Package This available option includes the following features:<ul> <li>46mm high-pressure gas-charged shocks </li> <li>A 36mm front stabilizer bar </li> <li>Off-road jounce bumpers to absorb large suspension inputs </li> <li>Under body transfer case shield helps protect the&nbsp;transfer case&nbsp;from rocks and debris </li> <li>High-capacity air cleaner </li> <li>Z71 chrome side emblems </li> <li>Hill descent control </li> <li>Recovery hooks (2WD models) </li></ul><p>Included with available All-Terrain Package.<br />Available with 20" or 22" wheels. </p>
Tons/yr of CO2 Emissions @ 15K mi/year
3 Years/36,000 Miles
5 Years/100,000 Miles
3 Years/36,000 Miles
6 Years/100,000 Miles
Roadside Assistance:
5 Years/100,000 Miles
2 Years/24,000 Miles