City mpg:
16
Highway mpg:
21

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

2020 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.

2020 GMC
Sierra 1500 Truck

Starting at: $29,600

  • Manufacturer Offer

    Purchase Allowance

    * Read full offer details
    Applies to this new 2020 GMC Sierra 1500

    * Disclaimer(s)

    • Not available with special financing, lease and some other offers. Must take retail delivery by 08/31/2020.

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Specifications

  • Rear cargo - tailgate
  • Bumpers - chrome
  • Rear step bumper
  • Trailer sway control
  • Engine liters - 4.3
  • 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 - 1,016kg (2,240lbs)
  • 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
  • Display - analog
  • Tachometer
  • Voltmeter
  • Oil pressure gauge
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear
  • 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
  • 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
  • Rear door bins

Trims

  MSRP Engine Transmission City/Hwy mpg
2020 GMC Sierra 1500 Truck Search New $29,600   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
2020 GMC Sierra 1500 Truck Search New $33,500   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
2020 GMC Sierra 1500 Truck Search New $34,200   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
2020 GMC Sierra 1500 Truck Search New $35,900   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
2020 GMC Sierra 1500 Truck Search New $36,200   285-hp 4.3L 6-cyl  6-spd auto  16 / 21  
2020 GMC Sierra 1500 Truck Search New $36,800   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $37,800   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
2020 GMC Sierra 1500 Truck Search New $39,200   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
2020 GMC Sierra 1500 Truck Search New $39,500   285-hp 4.3L 6-cyl  6-spd auto  15 / 20  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $40,200   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $40,300   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $40,500   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $41,100   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $42,700   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $43,000   310-hp 2.7L 4-cyl  8-spd auto  20 / 23  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $43,500   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $43,600   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
SLE 2020 GMC Sierra 1500 Truck SLE Search New $43,800   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $44,300   355-hp 5.3L 8-cyl  8-spd auto  17 / 24  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $46,000   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
Elevation 2020 GMC Sierra 1500 Truck Elevation Search New $46,300   310-hp 2.7L 4-cyl  8-spd auto  19 / 22  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $46,700   355-hp 5.3L 8-cyl  8-spd auto  17 / 24  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $47,000   355-hp 5.3L 8-cyl  8-spd auto  17 / 24  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $47,800   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $50,200   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
SLT 2020 GMC Sierra 1500 Truck SLT Search New $50,500   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
AT4 2020 GMC Sierra 1500 Truck AT4 Search New $51,000   355-hp 5.3L 8-cyl  10-spd auto  16 / 21  
AT4 2020 GMC Sierra 1500 Truck AT4 Search New $53,400   355-hp 5.3L 8-cyl  10-spd auto  16 / 21  
AT4 2020 GMC Sierra 1500 Truck AT4 Search New $53,700   355-hp 5.3L 8-cyl  10-spd auto  16 / 21  
Denali 2020 GMC Sierra 1500 Truck Denali Search New $54,700   355-hp 5.3L 8-cyl  8-spd auto  17 / 24  
Denali 2020 GMC Sierra 1500 Truck Denali Search New $55,000   355-hp 5.3L 8-cyl  8-spd auto  17 / 24  
Denali 2020 GMC Sierra 1500 Truck Denali Search New $58,200   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  
Denali 2020 GMC Sierra 1500 Truck Denali Search New $58,500   355-hp 5.3L 8-cyl  10-spd auto  16 / 22  

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