GMC Sierra 2500HD vs GMC Sierra 3500HD Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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New Car Pricing New listing price comparison and analysis.

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
MSRP
$57,700
Invoice
$53,892
Average Price Paid
$54,688
548 listings nationwide

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2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
MSRP
$58,900
Invoice
$55,013
Average Price Paid
$55,026
71 listings nationwide

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

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
Fair Price
$55,867
Good Price
$53,287
Great Price
$51,812
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Fair Price
$55,704
Good Price
$53,006
Great Price
$51,462

Expert Reviews Reviews from CarGurus experts.

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
George Kennedy Preview:

At the crossroads of luxury and workhorse trucks sits the 2020 GMC Sierra 2500 Heavy Duty. It receives several updates for 2020. The GMC Sierra 2500HD competes with other heavy-duty of...

2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
George Kennedy Preview:

The Sierra 3500 has been redesigned for 2020, following the 2019 redesign of the light-duty, half-ton GMC Sierra 1500. This includes a massive new grille flanked by large high-tech hea...

Specs

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD
Powertrain
Drivetrain
4X4
4X4
4X4
4X4
Fuel Economy, City -- --
Fuel Economy, Highway -- --
Fuel Tank Volume 36 gal 36 gal
Engine
Fuel Type
Biodiesel
Gasoline
Biodiesel
Gasoline
Power
--
401 hp @ 5,200 RPM
--
401 hp @ 5,200 RPM
Torque
--
464 lb-ft @ 4,000 RPM
--
464 lb-ft @ 4,000 RPM
Cylinders
8 cylinders
8 cylinders
8 cylinders
8 cylinders
Compression Ratio
16:1
10.8:1
16:1
10.8:1
Displacement
6,600 cc
6,600 cc
6,600 cc
6,600 cc
Bore x Stroke
4.06 in x 3.9 in
4.06 in x 3.86 in
4.06 in x 3.9 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
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 3,703 lbs 4,365 lbs
Standard Towing Capacity 14,500 lbs 14,500 lbs
Maximum Towing Capacity 18,500 lbs 21,300 lbs
Exterior
Length 250 in 250 in
Width 81.9 in 81.9 in
Height 79.8 in 80.9 in
Wheelbase 158.9 in 158.9 in
Bed Length 82.3 in 82.3 in

Available Options

2020 GMC Sierra 2500HD
AT4 Crew Cab 4WD

Exterior Colors

  • Brownstone Metallic
  • Carbon Black Metallic
  • Dark Sky Metallic
  • Onyx Black
  • Pacific Blue Metallic
  • Red Quartz Tintcoat
  • Summit White

Option Packages

  • Tri-Fold Soft Tonneau Cover LPO
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Gooseneck / 5TH Wheel Package
  • LPO, 20" (50.8 CM) High Gloss Black Painted Wheels
  • LPO, Auxiliary Trailer Camera
  • LPO, Black Tubular Assist Steps, 6" Rectangular
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Off-Road Assist Steps, 3" Round Tubular, Black
  • LPO, Rear Seat Infotainment System
  • LPO, Tri-Fold Hard Tonneau Cover
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" (50.8 CM) 6-Spoke Bright Machined Aluminum
2020 GMC Sierra 3500HD
AT4 Crew Cab 4WD

Exterior Colors

  • Brownstone Metallic
  • Carbon Black Metallic
  • Dark Sky Metallic
  • Onyx Black
  • Pacific Blue Metallic
  • Red Quartz Tintcoat
  • Summit White

Option Packages

  • Tri-Fold Soft Tonneau Cover LPO
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible
  • AT4 Preferred Package
  • AT4 Premium Package
  • Driver Alert Package I
  • Driver Alert Package II
  • Gooseneck / 5TH Wheel Package
  • LPO, 20" (50.8 CM) High Gloss Black Painted Wheels
  • LPO, Auxiliary Trailer Camera, Wired
  • LPO, Black Tubular Assist Steps, 6" Rectangular
  • LPO, Body Color Wheel Arch Moldings
  • LPO, Cargo Convenience Package
  • LPO, Off-Road Assist Steps, 3" Round Tubular, Black
  • LPO, Rear Seat Infotainment System
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" (50.8 CM) 6-Spoke Bright Machined Aluminum

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