
At Woody Folsom Automotive, we want to help you make the best buying decision. Browse our inventory online here if you're ready and give us a call to get started financing your new pickup.
Sierra 2500 HD vs 3500 HD: Powertrain
Both models are available with the standard 6.0-liter V8 gasoline engine that churns out over 360 hp and 380 lb.-ft. of torque when paired with a heavy-duty 6-speed transmission. Two-wheel drive (2WD) or four-wheel drive (4WD) is available for both models.ÂThe available Duramax 6.6-liter
turbocharged diesel V8 engine generates 445 hp and 910 lb.-ft. The
diesel-equipped models are easily identified by a prominent and functional hood
scoop that cools the airflow into the powerful Duramax Diesel to maximize
horsepower.
Sierra 2500 HD
A Sierra All-Terrain HD premium off-road package is offered on SLT crew cab models with AWD. It features:- 18-inch aluminum wheels,Â
- All-terrain tires, andÂ
- Body-color grille with black and chrome accents
An All-Terrain X HD package is available on the SLT trim that includes:
- 18-inch black aluminum wheelsÂ
- Goodyear Wrangler DuraTrac tires
Sierra 3500HD
A Sierra All-Terrain HD premium off-road package is offered on SLT 4WD models. It features:- 18-inch chrome aluminum wheels,Â
- All-terrain tires, andÂ
- Off-road suspension
SLT and SLE models without the All-Terrain package or dual rear wheels can also get the off-road suspension.
Sierra 2500 HD vs 3500 HD: Towing
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Sierra 2500HD
- Maximum conventional towing capacity: 14,500 lbs.
- Maximum fifth-wheel tow rating: 15,400 lbs.
- Maximum payload capacity: 3,276 lbs.
Sierra 3500HD
- Maximum conventional towing capacity: 20,000 lbs.
- Maximum fifth-wheel tow rating: 23,100 lbs.
- Maximum payload capacity: 6,112 lbs.
Echomaster® Trailering Camera System is also available.
Sierra 2500 HD vs 3500 HD: Cab and Bed Options
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Sierra 2500HD
With the Sierra 2500HD's crew cab, you have plenty of space. In the front row, you and your co-pilot have 45.27 inches of legroom available. The second row of seats also has 40.93 inches of legroom. The cargo box of the Sierra 2500HD comes in two options. The standard box offers a 78.86-inch length and the long box has a 97.76-inch length.Sierra 3500HD
Sierra's 3500HD has three configuration choices for the cab and box. All three choices have a crew cab with either a standard box of almost 79 inches long or a long box that is nearly 98 inches long. The third choice is a crew cab with a long box that includes a dual rear wheel setup for better strength and durability under the bed.Sierra 2500 HD vs 3500 HD: Safety
Both 2019 GMC Sierra 2500HD and 3500HD feature:- Standard airbags, including front, thorax side-impact, and head-curtain airbags
- Optional features such as forward-collision alert, lane-departure warning, front and rear park assist, and safety-alert seat
Sierra 2500 HD vs 3500 HD: Infotainment

Sierra 2500 HD vs 3500 HD: Comfort
Both GMC Sierra 2500HD and 3500HD include:
- A Snowplow Prep PackageÂ
- Remote vehicle start, wireless device charging, remote locking tailgate, and a heated leather-wrapped steering wheelÂ
- StabiliTrak® to help get you and your cargo get to the job site securely
- A CornerStep rear bumperÂ
- Teen Driver featureÂ
- Capless fuel-fill system available with 3500HD gas models with cargo box