2015 GMC Sierra 1500 SLT Specs

GMC Sierra 1500

2015 GMC Sierra 1500 2WD Double Cab 143.5" SLT powered by 5.3-liter V8 Gas Engine with 6-Speed Automatic transmission.

Back to 2015 GMC Sierra 1500
Select configuration:
Starting Price (MSRP)
5.3-liter V8 Gas
6-Speed Automatic
Rear-Wheel Drive
Body Type
Seating capacity
6 seater
Trunk Volume
Fuel Economy
City: 16 MPG
Hwy: 23 MPG

Performance Specs

Engine and Transmission

  • Engine
    5.3-liter V8 Gas
    6.2-liter V8 (+$2,495)
  • Horsepower
    355 hp @ 5600 rpm
  • Torque
    383 lb-ft @ 4100 rpm
  • Transmission
    6-Speed Automatic
    8-Speed Automatic (Optional)
  • Drivetrain
    Rear-Wheel Drive


  • Steering Type
    Electric Rack & Pinion
  • Turning Diameter
    46.9 ft


  • Wheels Type
    Aluminum Wheels
  • Front Wheel Size
    18" x 8.5"
  • Rear Wheel Size
    18" x 8.5"


  • Front Tire
  • Rear Tire
  • Spare Tire

Fuel and MPG

Fuel Economy

  • Combined
    19 MPG
  • City
    16 MPG
  • Highway
    23 MPG


  • CO2 Emissions @ 15K mi/year
    9.0 Tons/yr

Fuel Tank

  • Fuel Tank Capacity
    26 gallons
  • Cruising Range City
    416 miles
  • Cruising Range Highway
    598 miles

Dimensions and Measurement

Exterior Dimensions

  • Height
    73.87 in
  • Max Width
    80 in
  • Wheelbase
    143.5 in

Interior Space

  • Seating Capacity
    6 seater
  • Front Seat Leg Room
    45.27 in
  • Front Seat Headroom
    42.8 in
  • Front Seat Shoulder Room
    65.93 in
  • Front Seat Hip Room
    60.73 in
  • Rear Seat Leg Room
    34.63 in
  • Rear Seat Headroom
    38.67 in
  • Rear Seat Shoulder Room
    65.8 in
  • Rear Seat Hip Room
    60.23 in

Weight and Towing

  • Maximum Towing Capacity
    12,000 lbs

Colors and Materials

Standard Interior Materials

  • Cocoa/Dune, Leather-appointed front seat trim
  • Cocoa/Dune, Perforated leather-appointed front seat trim
  • Jet Black, Leather-appointed front seat trim
  • Jet Black, Perforated leather-appointed front seat trim
  • Jet Black/Dark Ash, Leather-appointed front seat trim
  • Jet Black/Dark Ash, Perforated leather-appointed front seat trim

Features and Options


  • HD Radio
    Not Available
  • Bluetooth Connection
  • Hard Disk Drive Media Storage
    Not Available
  • Premium Sound System
  • Satellite Radio
  • Smart Device Integration
    Not Available
  • WiFi Hotspot
  • Auxiliary Audio Input
    Not Available
  • Entertainment System
    Not Available
  • MP3 Player

Interior Trim

  • Bucket Seats
  • Cloth Seats
  • Leather Seats
  • Leather Steering Wheel
  • Premium Synthetic Seats
  • Vinyl Seats
  • Woodgrain Interior Trim
    Not Available
  • Sun/Moonroof
    Not Available


  • Head-Up Display
    Not Available
  • Navigation System
    Not Available
  • Steering Wheel Audio Controls
  • Power Liftgate
    Not Available
  • Power Mirror(s)
  • A/C
  • Adaptive Cruise Control
    Not Available
  • Automatic Parking
    Not Available
  • Climate Control
  • Cooled Front Seat(s)
  • Cooled Rear Seat(s)
    Not Available
  • Cruise Control
  • Hands-Free Liftgate
    Not Available
  • Heated Front Seat(s)
  • Heated Rear Seat(s)
    Not Available
  • Heated Steering Wheel
  • Keyless Entry
  • Multi-Zone A/C
  • Power Driver Seat
    Not Available
  • Power Passenger Seat
    Not Available
  • Remote Engine Start
  • Remote Trunk Release
    Not Available
  • Seat Memory
    Not Available
  • Universal Garage Door Opener
  • Seat-Massage
    Not Available
  • Rear A/C
    Not Available
  • Keyless Start
    Not Available
  • Navigation from Telematics
  • Telematics

Additional Packages

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 This package includes safety-alert technologies designed to help the driver prevent a collision: Lane Departure Warning – alerts the driver when the truck is moving out of its lane without activating a turn signal Forward Collision Alert – warns the driver when the truck is rapidly approaching another vehicle in front Safety Alert Seat – 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 Front and Rear Park Assist – help the driver when parking to gauge the distance to a stationary object Requires available manual tilt and telescoping steering column 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. Regular Cab requires available 40/20/40 split-bench seats, Jet Black Cloth interior trim, SLE Convenience Package and 5.3L EcoTec3 V8 engine.

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:Bed mat Tailgate liner Soft folding tonneau cover

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 Includes the following accessories: All weather floor mats Front console organizer Rear under seat storage SLE models require colored-keyed carpeting and front cloth bucket seats. SLT models require front full feature leather appointed bucket seats.

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.) Chrome Appearance Package Includes:4" round chromed tubular assist steps Polished exhaust tip Chrome recovery hooks

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:All-weather floor mats Rubber bed mat

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.1 It includes:Increased towing and GCWR rating Automatic locking rear differential Handling/Trailering Suspension Package Enhanced cooling radiator Revised shock tuning Heavier duty rear springs and increased RGAWR 9.76" rear axle Trailer brake controller Trailering Equipment Requires 5.3L EcoTec3 V8 engine or 6.2L EcoTec3 V8 engine and power camper mirrors. Not available with Z71® Off-Road Suspension Package. 1 Maximum trailer weight ratings are calculated assuming a properly equipped base vehicle plus driver.

SLT Preferred Equipment Group

Includes Standard Equipment

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 The SLE Preferred Package includes: 10-way power seat adjuster for driver (with front 40/20/40 reclining split-bench seat only) Manual tilt and telescopic steering column on Crew Cab models Remote vehicle starter system Front fog lamps Universal Home Remote on Crew Cab and Double Cab models Rear-window defogger 110-volt power outlet Dual-zone climate control on Crew Cab and Double Cab models The SLT Preferred Package includes: Front and Rear Park Assist, which helps the driver park by issuing warnings when the vehicle gets too close to an object Heated steering wheel

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:46mm high-pressure gas-charged shocks A 36mm front stabilizer bar Off-road jounce bumpers to absorb large suspension inputs Under body transfer case shield helps protect the transfer case from rocks and debris High-capacity air cleaner Z71 chrome side emblems Hill descent control Recovery hooks (2WD models) Included with available All-Terrain Package. Available with 20" or 22" wheels.


Safety Features

  • Back-Up Camera
  • Cross-Traffic Alert
    Not Available
  • Rear Parking Aid
  • Blind Spot Monitor
    Not Available
  • Lane Departure Warning
  • Lane Keeping Assist
    Not Available
  • ABS
  • Night Vision
    Not Available
  • Tire Pressure Monitor
  • Brake Assist
    Not Available
  • Stability Control
  • Traction Control

US NHTSA crash test result

  • Overall Rating
  • Frontal Barrier Crash Rating
  • Side Crash Rating
  • Rollover Rating


  • Driver Air Bag
  • Front Head Air Bag
  • Front Side Air Bag
  • Knee Air Bag
    Not Available
  • Passenger Air Bag
  • Rear Head Air Bag
  • Rear Side Air Bag
    Not Available
  • Seatbelt Air Bag
    Not Available


Warranty Summary

  • Basic
    3 Years / 36,000 Miles
  • Corrosion
    3 Years / 36,000 Miles
  • Drivetrain
    5 Years / 100,000 Miles
  • Maintenance
    2 Years / 24,000 Miles
  • Roadside Assistance
    5 Years / 100,000 Miles
  • Rust-Through
    6 Years / 100,000 Miles