Used 2021 GMC Sierra 3500HD for Sale Nationwide
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CarGurus Analysis:
2021 GMC Sierra 3500HD
With 695 currently listed for sale and an average price of $52,696.00, 31.2% of 2021 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 3500HD 5 / 5 stars.
80.3% of 2021 Sierra 3500HD models on CarGurus are accident-free.
CarGurus Analysis: 2021 GMC Sierra 3500HD
Summary
With 695 currently listed for sale and an average price of $52,696.00, 31.2% of 2021 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 3500HD 5 / 5 stars.
80.3% of 2021 Sierra 3500HD models on CarGurus are accident-free.
Why it stands out
The 2021 GMC Sierra 3500HD is renowned for its impressive towing and hauling capabilities, making it an ideal choice for those who need a heavy-duty pickup. This model marks a continuation of GMC's tradition of quality and performance, positioning itself as a refined and luxurious alternative in the heavy-duty truck market. With available engine options that deliver significant horsepower and torque, including a powerful diesel variant, the Sierra 3500HD can handle heavy loads with ease. Additionally, it features a range of technology and luxury enhancements, particularly in higher trim levels like the Denali, which offers a suite of advanced safety features and upscale interiors. The Sierra 3500HD merges utility with comfort, giving buyers a truck that can serve both work and leisure purposes effectively.
Other model years to consider
- Average price: $69,693.00
- Good/great deal percentage: 32.7%
- User rating: 5 / 5
- Total listings: 1,368
- Average price: $57,520.00
- Good/great deal percentage: 32.3%
- User rating: 5 / 5
- Total listings: 1,311
- Average price: $77,605.00
- Good/great deal percentage: 32.0%
- User rating: 5 / 5
- Total listings: 1,242
This analysis is based on CarGurus' proprietary market data from June 1, 2026, CarGurus experts' opinions, and generative AI.
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5.0 Overall rating
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John P
Reviewed a 2021 GMC Sierra 3500HD on Nov 3, 2023
This truck is incredible and very comfortable for even daily use.
Anonymous
Reviewed a 2021 GMC Sierra 3500HD on Jun 5, 2021
This truck was what was needed to pull our 42’ 5th wheel safely. It has the comfort of a nice ride and the power to pull and the and the strength to haul what I need.
Joe H
Reviewed a 2021 GMC Sierra 3500HD on Feb 8, 2021
The Black Diamond Edition is one of the most popular trucks out there. There has been only 2 in our area and both sold before they arrived at the lot.
2021 GMC Sierra 3500HD Trims
| Trim type | MSRP |
|---|---|
| Denali Crew Cab LB 4WD | $66,900 |
| Crew Cab LB 4WD | $44,800 |
| Double Cab LB 4WD | $40,200 |
| Crew Cab 4WD | $44,600 |
| SLE Crew Cab 4WD | $49,400 |
| AT4 Crew Cab 4WD | $60,300 |
| SLT Crew Cab 4WD | $57,400 |
| Denali Crew Cab 4WD | $66,700 |
2021 GMC Sierra 3500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Sierra 3500HD prices has changed over time.
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