GMC Sierra 1500 vs GMC Sierra 2500HD Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2021 GMC Sierra 1500 AT4 Crew Cab 4WD
Photo of 2020 model year shown

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2021 GMC Sierra 2500HD AT4 Crew Cab 4WD
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New Car Pricing New listing price comparison and analysis.

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
MSRP
$53,800
Invoice
$50,626
Average Price Paid
$50,761
1,797 listings nationwide

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2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
MSRP
$58,400
Invoice
$54,662
Average Price Paid
$56,582
540 listings nationwide

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Pricing Analysis Price analysis based on recent sales data applied to current trim without options.

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
Fair Price
$52,546
Good Price
$49,867
Great Price
$48,335
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
Fair Price
$57,526
Good Price
$55,039
Great Price
$53,616

Specs

2021 GMC Sierra 1500
AT4 Crew Cab 4WD
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
Powertrain 6-Speed Automatic
Drivetrain
4X4
4X4
4X4
Fuel Economy, City
22 MPG
15 MPG
--
Fuel Economy, Highway
26 MPG
19 MPG
--
Fuel Tank Volume 24 gal 36 gal
Engine
Fuel Type
Diesel
Gasoline
Gasoline
Power
277 hp @ 3,750 RPM
--
401 hp @ 5,200 RPM
Torque
460 lb-ft @ 1,500 RPM
--
464 lb-ft @ 4,000 RPM
Cylinders
6 cylinders
8 cylinders
8 cylinders
Compression Ratio
15:1
11.5:1
10.8:1
Displacement
3,000 cc
6,200 cc
6,600 cc
Bore x Stroke
3.3 in x 3.54 in
4.06 in x 3.62 in
4.06 in x 3.86 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Overall 4 stars --
Front Crash Overall 4 stars --
Front Crash Driver 4 stars --
Front Crash Passenger 4 stars --
Side Crash Overall 5 stars --
Side Barrier Driver 5 stars --
Side Barrier Passenger 5 stars --
Side Pole Driver 5 stars --
Rollover 5 stars --
Comfort and Convenience
Air Conditioning Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 5 seats
Front Legroom 44.5 in 44.5 in
Back Legroom 43.4 in 43.4 in
Payload and Towing
Cargo Volume -- --
Maximum Payload 2,080 lbs 3,760 lbs
Standard Towing Capacity 9,200 lbs 14,500 lbs
Maximum Towing Capacity 9,200 lbs 18,500 lbs
Exterior
Length 231.7 in 250.1 in
Width 81.2 in 81.9 in
Height 78.4 in 79.8 in
Wheelbase 147.5 in 158.9 in
Bed Length 69.9 in 82.2 in

Available Options

2021 GMC Sierra 1500
AT4 Crew Cab 4WD

Exterior Colors

  • Cardinal Red
  • Cayenne Red Tintcoat
  • Dark Sky Metallic
  • Ebony Twilight Metallic
  • Onyx Black
  • Satin Steel Metallic
  • Summit White

Option Packages

  • Engine, 6.2L Ecotec3 V8
  • Engine, Duramax 3.0L Turbo-Diesel I6
  • AT4 CARBONPRO Edition
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • LPO, AT4 High Clearance Step
  • LPO, Auxiliary Trailer Camera, Wired, One Camera And Hardware
  • LPO, Bedside Storage, Right Hand And Left Hand Side
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Cat-Back Performance Exhaust
  • LPO, Front Brake Kit-Performance
  • LPO, Performance Air Intake System
  • LPO, Performance Upgrade Package
  • LPO, Sport Step, Black
  • LPO, Tri-Fold Hard Tonneau Cover
  • LPO, Tri-Fold Soft Tonneau Cover
  • MULTIPRO Audio System By Kicker
  • Off-Road Performance Package
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" X 9" (50.8 CM X 22.9 CM) 6-Spoke Carbon Grey Painted Aluminum
  • Wheels, 20" X 9" (50.8 CM X 22.9 CM) Machined Aluminum With Carbon Grey Metallic Accents
2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD

Exterior Colors

  • Brownstone Metallic
  • Cayenne Red Tintcoat
  • Ebony Twilight Metallic
  • Onyx Black
  • Pacific Blue Metallic
  • Summit White

Option Packages

  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible
  • AT4 Preferred Package
  • AT4 Premium Plus Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Gooseneck / 5TH Wheel Package
  • LPO, 20" (50.8 CM) High Gloss Black Aluminum Wheels With Machined Accents
  • LPO, 20" (50.8 CM) High Gloss Black Painted Wheels
  • LPO, AT4 High Clearance Step
  • LPO, Auxiliary Trailer Camera
  • LPO, Bedside Storage Boxes
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Sport Step, Black
  • LPO, Tri-Fold Hard Tonneau Cover
  • LPO, Tri-Fold Soft Tonneau Cover
  • MULTIPRO Audio System By Kicker
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" (50.8 CM) Machined Aluminum

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