City mpg:
16
Highway mpg:
21

Actual rating will vary with options, driving conditions, habits and vehicle condition.

2021 GMC Sierra 1500 Truck Overview

The standard features of the GMC Sierra 1500 Base include EcoTec3 4.3L V-6 285hp engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 17" steel wheels, ABS and driveline traction control, StabiliTrak w/Proactive Roll Avoidance electronic stability, AM/FM stereo with 2 speakers.

2021 GMC
Sierra 1500 Truck

Starting at: $29,700

  • Manufacturer Offer

    Purchase Allowance

    * Read full offer details
    Applies to this new 2021 GMC Sierra 1500

    * Disclaimer(s)

    • Not available with special financing, lease and some other offers. Must take new retail delivery by 05/03/2021.

      See Trims

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Inventory

  • 2021 GMC Sierra 1500 AT4 Truck

    • MSRP:$65,560
    • Offers:$5,000
    • Sale Price:$60,560
    MPG Range:
    16/21,
    Engine:
    6.2L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Summit White,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe,
    Stock #:
    MG293681
    More
    View Details
  • 2021 GMC Sierra 1500 AT4 Truck

    • MSRP:$65,560
    • Offers:$5,000
    • Sale Price:$60,560
    MPG Range:
    16/21,
    Engine:
    6.2L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Summit White,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe,
    Stock #:
    MG298412
    More
    View Details
  • 2021 GMC Sierra 1500 AT4 Truck

    • MSRP:$58,710
    • Offers:$5,000
    • Sale Price:$53,710
    MPG Range:
    16/21,
    Engine:
    5.3L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Satin Steel Metallic,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe,
    Stock #:
    MG266741
    More
    View Details
  • 2021 GMC Sierra 1500 AT4 Truck

    • MSRP:$63,260
    • Offers:$5,000
    • Sale Price:$58,260
    MPG Range:
    16/21,
    Engine:
    3.0L Duramax Turbo-Diesel I6 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Summit White,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe
    More
    • Certified
    View Details
  • 2021 GMC Sierra 1500 AT4 Truck

    • MSRP:$66,055
    • Offers:$5,000
    • Sale Price:$61,055
    MPG Range:
    16/21,
    Engine:
    6.2L EcoTec3 V8 engine,
    Transmission:
    Automatic,
    Drive Line:
    4WD,
    Exterior Color:
    Satin Steel Metallic,
    Interior Color:
    Jet Black with Kalahari accents, Perforated leathe
    More
    • Certified
    View Details
View More Inventory

Specifications

  • Cargo - tailgate
  • Bumpers - chrome
  • Rear step bumper
  • Trailer sway control
  • Engine liters - 4.3
  • Compressor - Not Available
  • Cylinder configuration - V-6
  • Horsepower - 285hp @ 5,300RPM
  • Torque - 305 lb.-ft. @ 3,900RPM
  • Number of valves - 12
  • Variable valve control
  • Cylinder deactivation
  • Engine location - front
  • Recommended fuel - Regular Unleaded
  • Transmission - 6 speed automatic
  • Mode select transmission
  • Manual-shift auto
  • Drive type - rear-wheel
  • Fuel economy combined - 17mpg
  • Fuel tank capacity - 28.0gal.
  • Fuel economy city - 16mpg
  • Fuel economy highway - 21mpg
  • Basic warranty - 36 months/36,000miles
  • Powertrain warranty - 60 months/60,000miles
  • Corrosion perforation warranty - 72 months/100,000miles
  • Roadside assistance coverage - 60 months/60,000miles
  • Maintenance warranty - 12 months/ unlimited distance
  • Front wheel independent suspension
  • Front anti-roll bar
  • Power steering
  • Speed-sensing steering
  • Front tires - 255/70SR17.0
  • Rear tires - 255/70SR17.0
  • Wheel size - 17"
  • Engine displacement - 4.3 L
  • Engine horsepower - 285hp @ 5,300RPM
  • Engine torque - 305 lb.-ft. @ 3,900RPM
  • Engine bore x stroke - 99.6mm x 92.0mm (3.92" x 3.62")
  • Compression ratio - 11.00 to 1
  • Payload - 1,021kg (2,250lbs)
  • Curb weight - 2,050kg (4,520lbs)
  • GVWR - 3,084kg (6,800lbs)
  • Towing capacity - 3,583kg (7,900lbs)
  • Exterior length - 5,832mm (229.6")
  • Exterior body width - 2,061mm (81.2")
  • Exterior height - 1,920mm (75.6")
  • Wheelbase - 3,546mm (139.6")
  • Turning radius - 6.8m (22.3')
  • Front legroom - 1,131mm (44.5")
  • Front headroom - 1,095mm (43.1")
  • Front hiproom - 1,547mm (60.9")
  • Front shoulder room - 1,678mm (66.1")
  • AM/FM radio
  • Premium audio system - GMC Infotainment System
  • Radio data system
  • Speakers - 2
  • Wireless phone connectivity - Bluetooth
  • 1st row LCD monitors - 1
  • Primary LCD size - 7.0"
  • Smart device integration - Apple CarPlay/Android Auto
  • Fully automatic headlights
  • Delay-off headlights
  • Variably intermittent wipers
  • Front reading lights
  • Rear reading lights
  • Appearance - analog
  • Tachometer
  • Voltmeter
  • Oil pressure gauge
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear - Rear Vision Camera yes
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Ignition disable
  • Electronic stability
  • Traction control
  • Max seating capacity - 3
  • Front seats - bench
  • Front center armrest - w/storage
  • Ground clearance (min) - 206mm (8.1")
  • Air conditioning
  • Tilt steering wheel
  • Passenger vanity mirror
  • Front beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin

Trims

  MSRP Engine Transmission City/Hwy mpg
Base 2021 GMC Sierra 1500 Truck Base Search New $29,700   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
Base 2021 GMC Sierra 1500 Truck Base Search New $33,900   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
Base 2021 GMC Sierra 1500 Truck Base Search New $34,600   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
Base 2021 GMC Sierra 1500 Truck Base Search New $36,000   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
Base 2021 GMC Sierra 1500 Truck Base Search New $36,900   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
Base 2021 GMC Sierra 1500 Truck Base Search New $39,600   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
Base 2021 GMC Sierra 1500 Truck Base Search New $39,900   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
SLE 2021 GMC Sierra 1500 Truck SLE Search New $41,300   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
Elevation 2021 GMC Sierra 1500 Truck Elevation Search New $42,100   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
SLE 2021 GMC Sierra 1500 Truck SLE Search New $43,700   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
SLE 2021 GMC Sierra 1500 Truck SLE Search New $44,600   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Elevation 2021 GMC Sierra 1500 Truck Elevation Search New $44,700   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
Elevation w/3SB 2021 GMC Sierra 1500 Truck Elevation w/3SB Search New $46,200   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
SLE 2021 GMC Sierra 1500 Truck SLE Search New $47,000   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
SLE 2021 GMC Sierra 1500 Truck SLE Search New $47,300   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
SLT 2021 GMC Sierra 1500 Truck SLT Search New $47,300   355-hp 5.3L 8-cyl  8-spd auto  No Data  
Elevation 2021 GMC Sierra 1500 Truck Elevation Search New $48,000   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
Elevation w/3SB 2021 GMC Sierra 1500 Truck Elevation w/3SB Search New $49,100   310-hp 2.7L 4-cyl  8-spd auto  18 / 21  
SLT 2021 GMC Sierra 1500 Truck SLT Search New $50,600   355-hp 5.3L 8-cyl  8-spd auto  No Data  
SLT 2021 GMC Sierra 1500 Truck SLT Search New $50,800   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
AT4 2021 GMC Sierra 1500 Truck AT4 Search New $53,800   355-hp 5.3L 8-cyl  10-spd auto  16 / 21  
Denali 2021 GMC Sierra 1500 Truck Denali Search New $55,200   355-hp 5.3L 8-cyl  8-spd auto  17 / 23  
AT4 2021 GMC Sierra 1500 Truck AT4 Search New $55,500   277-hp 3.0L 6-cyl  10-spd auto  22 / 26  
Denali 2021 GMC Sierra 1500 Truck Denali Search New $59,100   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
Denali 2021 GMC Sierra 1500 Truck Denali Search New $59,400   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  

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