Used GMC Sierra 1500 for Sale nearLongmont, CO
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Downpour Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black, Forge Perforated Leather Seat Trim
- Transmission:
- Automatic
- Mileage:
- 19,783
- Stock #:
- ARZ170065
- VIN:
- 1GTUUGE81RZ170065
Sponsored by Alpine Buick GMC
2024 GMC Sierra 1500
Denali Crew Cab 4WD
19,783 mi
$59,270
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 101,537
- Stock #:
- 342013
- VIN:
- 3GTU2NEC3HG342013
Sponsored Listing
2017 GMC Sierra 1500
SLT Crew Cab 4WD
101,537 mi
$27,694
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Summit White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 58,199
- Stock #:
- L221653A
- VIN:
- 1GTUUEE85RZ221653
Sponsored Listing
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
58,199 mi
$49,998
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 93,939
- Stock #:
- 14655B
- VIN:
- 3GTU2NEJ0HG243809
2017 GMC Sierra 1500
SLT Crew Cab 4WD
93,939 mi
$29,812
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Cloth Seat Trim
- Transmission:
- Automatic
- Mileage:
- 19,237
- Stock #:
- ARZ249906
- VIN:
- 1GTPUAEK3RZ249906
2024 GMC Sierra 1500
Pro Crew Cab 4WD
19,237 mi
$37,278
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Vinyl Seat Trim
- Transmission:
- Automatic
- Mileage:
- 23,502
- Stock #:
- ARZ218236
- VIN:
- 1GTPUAEK5RZ218236
2024 GMC Sierra 1500
Pro Crew Cab 4WD
23,502 mi
$37,728
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Cardinal Red
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 117,538
- Stock #:
- LZ126230C
- VIN:
- 1GTU9CED3LZ126230
2020 GMC Sierra 1500
Elevation Crew Cab 4WD
117,538 mi
$26,797
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 21,184
- Stock #:
- KM279410
- VIN:
- 1GTPUAEK3RZ279410
2024 GMC Sierra 1500
Pro Crew Cab 4WD
21,184 mi
$37,666
- Year:
- 2013
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 315 hp 5.3L V8 Flex Fuel Vehicle
- Exterior color:
- Blue
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 110,162
- Stock #:
- 2026097
- VIN:
- 3GTP2WE79DG147730
2013 GMC Sierra 1500
SLT Crew Cab 4WD
110,162 mi
$13,750
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Leather-Appointed Front Seat Trim
- Transmission:
- Automatic
- Mileage:
- 21,345
- Stock #:
- TSG192225
- VIN:
- 3GTUUCED3SG192225
2025 GMC Sierra 1500
Elevation Crew Cab 4WD
21,345 mi
$50,562
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 277 hp 3L I6 Diesel
- Exterior color:
- Gray
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 67,584
- Stock #:
- YMZ378975
- VIN:
- 1GTU9EET2MZ378975
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
67,584 mi
$37,997
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Thunderstorm Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 22,616
- Stock #:
- RG296618
- VIN:
- 3GTUUCE89RG296618
2024 GMC Sierra 1500
Elevation Crew Cab 4WD
22,616 mi
$45,694
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Volcanic Red Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents, Perforated Leathe
- Transmission:
- Automatic
- Mileage:
- 24,913
- Stock #:
- ARZ138555
- VIN:
- 1GTUUEEL0RZ138555
2024 GMC Sierra 1500
AT4 Crew Cab 4WD
24,913 mi
$57,264
Recommended model year:
2025 GMC Sierra 1500
Shop 2025 GMC Sierra 1500 »With 9,660 currently listed for sale and an average price of $52,676.00, 37.8% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2025 GMC Sierra 1500 5 / 5 stars.
95.3% of 2025 Sierra models on CarGurus are accident free.
The 2025 GMC Sierra 1500 features a luxurious interior, advanced technology, and a powerful engine lineup, including a 6.2-liter V8 that delivers exceptional towing capabilities.
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 31,464
- Stock #:
- 28897482
- VIN:
- 3GTPUCEKXPG257171
2023 GMC Sierra 1500
Elevation Crew Cab 4WD
31,464 mi
$39,647
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Titanium Rush Metallic
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 70,250
- Stock #:
- 26346A
- VIN:
- 1GTUUGED8PZ232717
-$1,033
2023 GMC Sierra 1500
Denali Crew Cab 4WD
70,250 mi
$47,754
$46,721
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 36,743
- Stock #:
- MP7412
- VIN:
- 3GTU9DED1LG212903
2020 GMC Sierra 1500
SLT Crew Cab 4WD
36,743 mi
$37,789
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 19,259
- Stock #:
- 28957247
- VIN:
- 3GTPUJEK8RG383262
2024 GMC Sierra 1500
Elevation Standard Crew Cab 4WD
19,259 mi
$42,997
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 5,115
- Stock #:
- P17824
- VIN:
- 3GTUUGE85SG392940
2025 GMC Sierra 1500
Denali Crew Cab 4WD
5,115 mi
$56,749
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 168,930
- Stock #:
- 1818D
- VIN:
- 3GTU2PEJ3HG472464
2017 GMC Sierra 1500
Denali Crew Cab 4WD
168,930 mi
$20,051
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 18,834
- Stock #:
- 6N0381B
- VIN:
- 3GTUUDED7SG233154
2025 GMC Sierra 1500
SLT Crew Cab 4WD
18,834 mi
$45,961
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 46,773
- Stock #:
- PG160770
- VIN:
- 3GTUUGEL3PG160770
2023 GMC Sierra 1500
Denali Crew Cab 4WD
46,773 mi
$48,205
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Kalahari Accents
- Transmission:
- Automatic
- Mileage:
- 111,661
- Stock #:
- MG369823
- VIN:
- 3GTP9EEL4MG369823
-$1,051
2021 GMC Sierra 1500
AT4 Crew Cab 4WD
111,661 mi
$35,273
$34,222
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 75,473
- Stock #:
- B51969
- VIN:
- 3GTPUBEK6PG272017
Sponsored Listing
2023 GMC Sierra 1500
SLE Crew Cab 4WD
75,473 mi
$32,487
FAQs
How much does the GMC Sierra 1500 cost in Longmont, CO?
Is the GMC Sierra 1500 a good car?
How many GMC Sierra 1500 vehicles in Longmont, CO have no reported accidents or damage?
Is the GMC Sierra 1500 safe?
What fuel types are available?
4.5 Overall rating
Customers say
The GMC Sierra 1500 has received widespread acclaim from owners across its model years for its powerful performance, spacious and comfortable interiors, and impressive towing capabilities. Reviewers often highlight the stylish design and advanced features, making it a popular choice for both work and family use. However, many have expressed concerns regarding fuel economy, high pricing in some cases, and the reliability of certain features. Overall, while it's seen as a strong competitor in its class, a few drawbacks have been noted that prospective buyers should consider.
AI generated from the text of customer reviews.
Filter by year
Filter by rating
What people say
Aristotle A
Reviewed a 2022 GMC Denali Ultimate Crew Cab 4WD on Oct 17, 2025
Love this truck! Love the inline 6 diesel! And my fiance loves the massaging seats!
Anonymous
Reviewed a 2019 GMC AT4 Crew Cab 4WD on Sep 9, 2024
The truck had all the features I wanted and the price was in-line, or better with others in my search.
Matthew B
Reviewed a 2021 GMC AT4 Crew Cab 4WD on Jan 7, 2025
Best truck I have driven! Highway speeds are great and feels like I’m driving a Cadillac.
Chris B
Reviewed a 2024 GMC Sierra 1500 on Jun 12, 2026
Tons of features. Rides super comfortably. Love the heads up display.
GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| SLE Crew Cab 4WD | $54,600 |
| Elevation Standard Crew Cab 4WD | $53,600 |
| Denali Ultimate Crew Cab 4WD | $84,400 |
| AT4X Crew Cab 4WD | $79,600 |
| AT4 Crew Cab 4WD | $67,000 |
| Elevation Crew Cab 4WD | $56,600 |
| Denali Crew Cab 4WD | $69,400 |
| SLT Crew Cab 4WD | $58,200 |
GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of GMC Sierra 1500 prices has changed over time.
See more price trendsGMC Sierra 1500 Pricing Analysis
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 1500 is priced at $60,739, representing a +58.5% increase over its original MSRP, indicating strong demand for the latest model.
- Steep Depreciation for Older Models: The 2017 GMC Sierra 1500 shows a decline of -17.3% from MSRP, while the 2015 model has depreciated by -28.0%, highlighting the rapid depreciation of older vehicles.
- Best Value Years: The 2021 GMC Sierra 1500 is priced at $36,100, only +20.0% above its MSRP, making it a more attractive option compared to newer models.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 1500 | $38,300 | $60,739 | +58.5% |
| 2025 GMC Sierra 1500 | $38,300 | $53,112 | +38.7% |
| 2024 GMC Sierra 1500 | $37,700 | $50,222 | +33.3% |
| 2023 GMC Sierra 1500 | $37,100 | $46,457 | +25.2% |
| 2022 GMC Sierra 1500 | $35,400 | $43,228 | +22.1% |
| 2021 GMC Sierra 1500 | $30,100 | $36,100 | +20.0% |
| 2020 GMC Sierra 1500 | $29,600 | $33,760 | +13.9% |
| 2019 GMC Sierra 1500 | $29,600 | $31,929 | +7.8% |
| 2018 GMC Sierra 1500 | $29,000 | $26,389 | -9.0% |
| 2017 GMC Sierra 1500 | $28,405 | $23,506 | -17.3% |
| 2016 GMC Sierra 1500 | $27,815 | $20,706 | -25.5% |
| 2015 GMC Sierra 1500 | $26,670 | $19,201 | -28.0% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in New York: The New York, NY market commands the highest average price at $39,645, likely due to higher demand and lower inventory.
- Lowest Prices in Chicago: Chicago, IL offers the most competitive pricing at $36,303, suggesting a more price-sensitive market with higher inventory levels.
- Regional Variations: Cities like Dallas, TX ($40,896) and Washington, DC ($41,239) show higher average prices, indicating strong demand in those regions.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| New York, NY | 464 | $39,645 |
| Dallas, TX | 845 | $40,896 |
| Washington, DC | 376 | $41,239 |
| Atlanta, GA | 657 | $42,479 |
| Philadelphia, PA | 442 | $40,738 |
| Houston, TX | 774 | $40,232 |
| Miami, FL | 288 | $37,906 |
| Boston, MA | 700 | $38,593 |
| Los Angeles, CA | 415 | $36,877 |
| Chicago, IL | 567 | $36,303 |
These recommendations are based on CarGurus' proprietary market data from July 16, 2026, CarGurus experts' opinions, and generative AI.
CarGurus recommends the 2025 GMC Sierra 1500
Summary
With 9,660 currently listed for sale and an average price of $52,676.00, 37.8% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2025 GMC Sierra 1500 5 / 5 stars.
95.3% of 2025 Sierra models on CarGurus are accident free.
The 2025 GMC Sierra 1500 features a luxurious interior, advanced technology, and a powerful engine lineup, including a 6.2-liter V8 that delivers exceptional towing capabilities.
Why it stands out
The 2025 GMC Sierra 1500 stands out in the competitive full-size pickup truck market due to its upscale design and robust performance. With a focus on luxury and functionality, it offers a range of powerful engine options, including a turbocharged four-cylinder and multiple V8 configurations, catering to various needs from daily driving to heavy-duty towing. The Sierra's advanced technology features, such as the MultiPro Tailgate and available Super Cruise semi-automated driving system, enhance its appeal, making it a versatile choice for both work and leisure. Additionally, the high accident-free percentage and positive owner reviews underscore its reliability and customer satisfaction.
Other model years to consider
- Average price: $49,949.00
- Good/great deal percentage: 38.1%
- User rating: 4.64 / 5
- Total listings: 9,661
- Average price: $46,581.00
- Good/great deal percentage: 37.8%
- User rating: 4.33 / 5
- Total listings: 9,659
These recommendations are based on CarGurus' proprietary market data from July 13, 2026, CarGurus experts' opinions, and generative AI.
Recent expert test drives
2024 GMC Sierra 1500
- Expert review7/10
- MSRP$37,700-$82,500
- Avg. price$49,392
- User rating4.6364
2020 GMC Sierra 1500
- Expert review8/10
- MSRP$29,600-$58,900
- Avg. price$33,646
- User rating4.2778
2023 GMC Sierra 1500
- Expert review8/10
- MSRP$37,100-$82,100
- Avg. price$45,901
- User rating4.3333
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