Used 2021 GMC Sierra 3500HD for Sale near Los Angeles, CA
62 results
CarGurus Analysis:
2021 GMC Sierra 3500HD
With 58 currently listed for sale near Los Angeles, CA and an average price of $64,498.00, 12.1% 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.
81.0% of 2021 Sierra 3500HD models on CarGurus are accident free.
CarGurus Analysis: 2021 GMC Sierra 3500HD
Summary
With 58 currently listed for sale near Los Angeles, CA and an average price of $64,498.00, 12.1% 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.
81.0% of 2021 Sierra 3500HD models on CarGurus are accident free.
Why it stands out
The 2021 GMC Sierra 3500HD is notable for its heavy-duty capabilities, combining impressive hauling and towing power with a level of refinement that appeals to a broad spectrum of consumers. It retains many traditional work truck attributes, paired with technological advancements and luxury features, particularly evident in higher trim levels like the Denali. While still marketed as a "commercial grade" workhorse, the Sierra 3500HD has transitioned into a more sophisticated vehicle, showcasing strong mid-tier and premium trims that offer smart tech features and a comfortable ride. It competes favorably against rivals such as the Ford F-350 and Ram 3500, particularly in reliability and resale value, making it an appealing choice for those in the market for heavy-duty trucks.
Other model years to consider
- Average price: $67,478.00
- Good/great deal percentage: 15.0%
- User rating: 5 / 5
- Total listings: 160
- Average price: $58,484.00
- Good/great deal percentage: 14.0%
- Total listings: 143
- Average price: $67,951.00
- Good/great deal percentage: 15.1%
- User rating: 5 / 5
- Total listings: 139
This analysis is based on CarGurus' proprietary market data from May 5, 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 DRW 4WD | $68,100 |
| 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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