Used 2018 GMC Sierra 2500HD for Sale near Denver, CO
80 results
CarGurus Analysis:
2018 GMC Sierra 2500HD
With 80 currently listed for sale near Denver, CO and an average price of $38,740.00, 18.8% of 2018 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 2500HD 3.8 / 5 stars.
66.3% of 2018 Sierra 2500HD models on CarGurus are accident free.
The 2018 GMC Sierra 2500HD offers powerful performance, a comfortable interior, and a smooth ride, making it a popular choice for heavy-duty tasks.
CarGurus Analysis: 2018 GMC Sierra 2500HD
Summary
With 80 currently listed for sale near Denver, CO and an average price of $38,740.00, 18.8% of 2018 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 2500HD 3.8 / 5 stars.
66.3% of 2018 Sierra 2500HD models on CarGurus are accident free.
The 2018 GMC Sierra 2500HD offers powerful performance, a comfortable interior, and a smooth ride, making it a popular choice for heavy-duty tasks.
Why it stands out
The 2018 GMC Sierra 2500HD is notable for its outstanding performance and upscale features, aligning with its branding of "Professional Grade." This heavy-duty pickup truck not only shares its underpinnings with Chevrolet’s Silverado lineup but also provides a more refined build quality and comfort, appealing to buyers looking for a robust and capable work truck. The comfortable seating and spacious legroom are frequently praised by owners, along with its advanced technology and connectivity features which set it apart from some competitors. However, attention may be drawn to some common concerns such as high prices and rust issues reported by users, suggesting potential buyers should have a thorough check on the vehicle's condition, especially when using it for demanding tasks.
Other model years to consider
- Average price: $79,966.00
- Good/great deal percentage: 19.0%
- User rating: 5 / 5
- Total listings: 347
- Average price: $44,745.00
- Good/great deal percentage: 22.0%
- User rating: 5 / 5
- Total listings: 173
- Average price: $49,774.00
- Good/great deal percentage: 19.9%
- User rating: 4.86 / 5
- Total listings: 141
This analysis is based on CarGurus' proprietary market data from June 2, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles
2026 GMC Sierra 2500HD Pricing, Specs, and Release Date
Aside from a freshened color palette and broader availability of the trick MultiPro Tailgate, the 2026 GMC Sierra 2500HD full-size pickup truck soldiers on as a premium workhorse capable of towing up to 20,000 pounds in luxurious style.
2025 GMC Sierra 2500HD Pricing, Specs, and Release Date
Slotted between the light-duty 1500 and the ultra-tough 3500HD, the 2025 GMC Sierra 2500HD balances immense capability with the comfort and latest amenities expected from today's truck buyers. Upgrades for 2025 include a newly standard trailer brake controller.
Who Makes GMC Cars?
GMC is an American automaker that builds premium trucks and SUVs with capability and comfort as selling points. GMC is a division of General Motors and all of its vehicles share platforms with other GM products. Certain products, like its trucks, are very closely related to Chevrolet products.
3.8 Overall rating
Filter by rating
Thurman S
Reviewed a 2018 GMC Sierra 2500HD on Mar 27, 2025
Entire undercarriage is covered in rust. All control arms and linkages are in extremely poor condition from rust to the point I wouldn’t feel safe driving it. Let alone using it for its intended purpose for heavy duty towing.
Bill S
Reviewed a 2018 GMC Sierra 2500HD on Jan 4, 2023
Powerful, dependable, quiet interior and looks great! The duramax with the Alison transmission is the best diesel on market!
Anonymous
Reviewed a 2018 GMC Sierra 2500HD on Oct 26, 2020
So far great truck, lots of options and pulls really good for a gas engine, comfortable seats and plenty of leg room front and back
Joe H
Reviewed a 2018 GMC Sierra 2500HD on Feb 15, 2023
Very comfortable nice riding truck. Seems to get fairly decent fuel mileage.
2018 GMC Sierra 2500HD Trims
| Trim type | MSRP |
|---|---|
| Base LB | $35,000 |
| SLT Double Cab SB 4WD | $50,900 |
| SLE Double Cab SB 4WD | $46,300 |
| Base Double Cab SB 4WD | $40,100 |
| Base Crew Cab SB 4WD | $41,700 |
| SLE Crew Cab SB 4WD | $48,400 |
| SLT Crew Cab SB 4WD | $53,400 |
| Denali Crew Cab SB 4WD | $59,600 |
2018 GMC Sierra 2500HD Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 GMC Sierra 2500HD prices has changed over time.
See more price trends2018 GMC Sierra 2500HD Pricing Analysis: Denver, CO Market Report
Pricing by Nearby Locations
Market Area: Denver, CO
Key Insights
- Lowest Prices in Colorado Springs: The market shows the most competitive pricing in Colorado Springs ($35,449), likely due to a combination of inventory levels and local demand.
- Highest Pricing in Pueblo: With an average price of $42,197, Pueblo commands the highest rate, suggesting greater demand or fewer available units.
- Similar Inventory Levels: All cities show a comparable number of listings, indicating a consistent supply across the region.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Pueblo, CO | 75 | $42,197 |
| Longmont, CO | 87 | $37,624 |
| Fort Collins, CO | 80 | $38,492 |
| Castle Rock, CO | 85 | $38,571 |
| Colorado Springs, CO | 76 | $35,449 |
Pricing Analysis by Model Year
Key Insights
- Significant Premium on New Models: The 2026 GMC Sierra 2500HD commands an average price of $89,386, which is approximately 89.9% above its MSRP, indicating strong demand for the newest model.
- Depreciation Among Older Models: The 2019 model shows a notable decline at -6.4% compared to MSRP, illustrating a typical depreciation curve in the used truck market.
- 2022 Model Offers Competitive Value: Priced at $52,002, the 2022 GMC Sierra reflects a healthy balance between price and features, being slightly above the 2021 model, which shows a significant drop.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 2500HD | $47,000 | $89,386 | +89.9% |
| 2025 GMC Sierra 2500HD | $46,300 | $80,062 | +72.8% |
| 2024 GMC Sierra 2500HD | $45,400 | $67,767 | +48.9% |
| 2023 GMC Sierra 2500HD | $42,200 | $58,669 | +38.9% |
| 2022 GMC Sierra 2500HD | $36,200 | $52,002 | +43.6% |
| 2021 GMC Sierra 2500HD | $36,200 | $42,725 | +17.4% |
| 2020 GMC Sierra 2500HD | $35,800 | $51,612 | +44.0% |
| 2019 GMC Sierra 2500HD | $38,200 | $35,647 | -6.4% |
| 2017 GMC Sierra 2500HD | $34,190 | $39,512 | +15.6% |
| 2016 GMC Sierra 2500HD | $33,535 | $33,994 | +1.4% |
| 2015 GMC Sierra 2500HD | $33,195 | $29,446 | -11.2% |
| 2014 GMC Sierra 2500HD | $31,310 | $27,249 | -13.0% |
These recommendations are based on CarGurus' proprietary market data from May 28, 2026, CarGurus experts' opinions, and generative AI.
