Used 2021 GMC Sierra 3500HD for Sale near Dallas, TX
88 results
CarGurus Analysis:
2021 GMC Sierra 3500HD
With 90 currently listed for sale near Dallas, TX and an average price of $49,687.00, 22.2% 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.
83.3% of 2021 Sierra 3500HD models on CarGurus are accident free.
The 2021 GMC Sierra 3500HD continues to deliver its renowned heavy-duty capabilities while incorporating advanced technology and luxurious features, making it a standout for both work and everyday use.
CarGurus Analysis: 2021 GMC Sierra 3500HD
Summary
With 90 currently listed for sale near Dallas, TX and an average price of $49,687.00, 22.2% 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.
83.3% of 2021 Sierra 3500HD models on CarGurus are accident free.
The 2021 GMC Sierra 3500HD continues to deliver its renowned heavy-duty capabilities while incorporating advanced technology and luxurious features, making it a standout for both work and everyday use.
Why it stands out
The 2021 GMC Sierra 3500HD is designed for heavy-duty performance, making it an excellent choice for those needing a robust workhorse that can handle demanding tasks. This model benefits from a lineage that emphasizes strength and durability, ensuring that it retains superior towing and hauling capabilities compared to lighter trucks. Notably, the Sierra 3500HD is offered in numerous configurations, including various cab styles and bed lengths, allowing buyers to tailor their trucks to specific needs. Higher trim levels, especially the luxurious Denali variant, add upscale elements and smart technology features that enhance both driving and passenger comfort. This blend of utility, advanced towing tech, and refined interiors makes the Sierra 3500HD appealing to a wide range of buyers, from tradespeople to families seeking a capable vehicle for both work and leisure.
Other model years to consider
- Average price: $74,889.00
- Good/great deal percentage: 18.2%
- User rating: 5 / 5
- Total listings: 214
- Average price: $57,167.00
- Good/great deal percentage: 16.8%
- Total listings: 191
- Average price: $85,971.00
- Good/great deal percentage: 18.3%
- User rating: 5 / 5
- Total listings: 197
This analysis is based on CarGurus' proprietary market data from April 21, 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 |
| Double Cab LB 4WD | $40,200 |
| Crew Cab LB 4WD | $44,800 |
| SLE Crew Cab 4WD | $49,400 |
| Crew Cab 4WD | $44,600 |
| 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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