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

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2021 GMC Sierra 2500HD AT4 Crew Cab 4WD
Photo of 2020 model year shown

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2021 RAM 2500 Big Horn Crew Cab 4WD
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New Car Pricing New listing price comparison and analysis.

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
MSRP
$58,600
Invoice
$54,850
Average Price Paid
$57,218
373 listings nationwide

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2021 RAM 2500
Big Horn Crew Cab 4WD
MSRP
$46,125
Invoice
$43,258
Average Price Paid
$43,544
1,746 listings nationwide

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

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
Fair Price
$58,079
Good Price
$55,485
Great Price
$54,001
2021 RAM 2500
Big Horn Crew Cab 4WD
Fair Price
$45,010
Good Price
$42,815
Great Price
$41,561

Used Car Pricing Used listing price comparison and analysis.

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
CarGurus Instant Market Value
$76,985
23 listings nationwide

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2021 RAM 2500
Big Horn Crew Cab 4WD
CarGurus Instant Market Value
$63,291
12 listings nationwide

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User Reviews Reviews from CarGurus users who have driven or owned the car.

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
20
Guru9WQRQZ writes:
Better ride than the ford. All else was better on the ford.
Family Car Ranked 2016 Ford F-250 Super Duty worse.
"Ride"
Value Ranked 2016 Ford F-250 Super Duty better.
"Better Interior all around, exterior paint & colors."
2021 RAM 2500
Big Horn Crew Cab 4WD
No User Reviews

Specs

2021 GMC Sierra 2500HD
AT4 Crew Cab 4WD
2021 RAM 2500
Big Horn Crew Cab 4WD
Powertrain
Drivetrain
4X4
4X4
4X4
4X4
Fuel Economy, City -- --
Fuel Economy, Highway -- --
Fuel Tank Volume 36 gal 32 gal
Engine
Fuel Type
Biodiesel
Gasoline
Diesel
Gasoline
Power
--
401 hp @ 5,200 RPM
370 hp @ 2,800 RPM
410 hp @ 5,600 RPM
Torque
--
464 lb-ft @ 4,000 RPM
850 lb-ft @ 1,700 RPM
429 lb-ft @ 4,000 RPM
Cylinders
8 cylinders
8 cylinders
6 cylinders
8 cylinders
Compression Ratio
16:1
10.8:1
19:1
10:1
Displacement
6,600 cc
6,600 cc
6,700 cc
6,400 cc
Bore x Stroke
4.06 in x 3.9 in
4.06 in x 3.86 in
4.21 in x 4.88 in
4.09 in x 3.72 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 --
Passenger Power Seats Standard --
Interior
Maximum Seating 5 seats 6 seats
Front Legroom 44.5 in 40.9 in
Back Legroom 43.4 in 40.2 in
Payload and Towing
Cargo Volume -- --
Maximum Payload 3,760 lbs 3,360 lbs
Standard Towing Capacity 14,500 lbs 14,390 lbs
Maximum Towing Capacity 18,500 lbs 20,000 lbs
Exterior
Length 250.1 in 238.8 in
Width 81.9 in 83.5 in
Height 79.8 in 80.2 in
Wheelbase 158.9 in 149 in
Bed Length 82.2 in 76.3 in

Available Options

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
  • Assist Steps, Power-Retractable, Black
  • 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, Hard-Folding Tonneau Cover
  • LPO, Sport Step, Black
  • LPO, Tri-Fold Soft Tonneau Cover
  • MULTIPRO Audio System By Kicker
  • Sunroof, Power
  • Technology Package
  • Wheels, 20" (50.8 CM) Machined Aluminum
2021 RAM 2500
Big Horn Crew Cab 4WD

Exterior Colors

  • Billet Silver Metallic Clearcoat
  • Black Clearcoat
  • Bright White Clearcoat
  • Case IH Red
  • Construction Yellow
  • Delmonico Red Pearlcoat
  • Detonator Yellow Clearcoat
  • Diamond Black Crystal Pearlcoat
  • Flame Red Clearcoat
  • Granite Crystal Metallic Clearcoat
  • Hydro Blue Pearlcoat
  • Light Green
  • Maximum Steel Metallic Clearcoat
  • Midnight Blue Pearlcoat
  • National Safety Yellow
  • New Holland Blue
  • Olive Green Pearlcoat
  • Omaha Orange
  • Patriot Blue Pearlcoat
  • RV Match Walnut Brown Metallic Clearcoat
  • School Bus Yellow
  • Timberline Green Pearlcoat
  • Utility Orange
  • Yellow

Option Packages

  • 9 Alpine Speakers W/Subwoofer
  • Radio: Uconnect 12.0 W/Navigation
  • Radio: Uconnect 4 W/8.4" Display
  • Radio: Uconnect 4C Nav W/8.4" Display
  • Tri-Fold Tonneau Cover
  • Engine: 6.7L I6 Cummins Turbo Diesel
  • Chrome Flat Wheel-To-Wheel Side Steps
  • Painted Flat Cab-Length Side Steps
  • Painted Flat Wheel-To-Wheel Side Steps
  • Auto Level Rear Air Suspension
  • Bed Utility Group
  • Blind Spot & Cross Path Detection
  • Chrome Flat Cab-Length Side Steps
  • Level 1 Equipment Group
  • Level 2 Equipment Group
  • Level B Equipment Group
  • Mopar Spray In Bedliner
  • Mopar Trailer Camera Wiring W/No Camera
  • Night Edition
  • Power Sunroof
  • Premium Lighting Group
  • RAMBOX Cargo Management System
  • Ram Telematics
  • Ram Telematics 3-Year Subscription
  • Ram Telematics 5-Year Subscription
  • Safety Group
  • Safety Group B
  • Snow Chief Group
  • Sport Appearance Package
  • Tech Package
  • Towing Technology Group
  • Towing Technology Group B
  • Black, Premium Cloth 40/20/40 Bench Seat
  • Diesel Gray/Black, Premium Cloth 40/20/40 Bench Seat
  • LT Frost Beige/Black, Premium Cloth 40/20/40 Bench Seat
  • Light Mountain Brown/BLK, Premium Cloth 40/20/40 Bench Seat
  • Power Sunroof
  • 5th Wheel/Gooseneck Towing Prep Group
  • Mopar 20K Direct Mount 5th Wheel Hitch
  • Wheels: 18" X 8.0" Polished Aluminum
  • Wheels: 20" X 8.0" Polished Aluminum

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