Used 2018 GMC Sierra 1500 for Sale nearConroe, TX
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- 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
- Transmission:
- 6-Speed Automatic
- Mileage:
- 117,338
- Stock #:
- JG191621
- VIN:
- 3GTU2NEC7JG191621
Sponsored by AutoNation USA Katy
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,338 mi
$26,816
- 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:
- Summit White
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 138,304
- Stock #:
- 134841
- VIN:
- 3GTU2NEC8HG134841
Sponsored Listing
2017 GMC Sierra 1500
SLT Crew Cab 4WD
138,304 mi
$22,145
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 110,626
- Stock #:
- S261113A
- VIN:
- 3GTU2NEC2HG295895
Sponsored Listing
2017 GMC Sierra 1500
SLT Crew Cab 4WD
110,626 mi
$25,016
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 53,628
- Stock #:
- C5454
- VIN:
- 1GTU9FEL5KZ231276
2019 GMC Sierra 1500
Denali Crew Cab 4WD
53,628 mi
$40,291
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 134,115
- Stock #:
- HG121301
- VIN:
- 3GTP1NECXHG121301
2017 GMC Sierra 1500
SLT Crew Cab
134,115 mi
$19,999
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 65,988
- Stock #:
- KZ102892
- VIN:
- 1GTU9FEL7KZ102892
2019 GMC Sierra 1500
Denali Crew Cab 4WD
65,988 mi
$38,683
- Year:
- 2018
- 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
- Transmission:
- 6-Speed Automatic
- Mileage:
- 117,338
- Stock #:
- JG191621
- VIN:
- 3GTU2NEC7JG191621
2018 GMC Sierra 1500
SLT Crew Cab 4WD
117,338 mi
$26,816
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 123,815
- Stock #:
- KZ424476T
- VIN:
- 1GTR8CED3KZ424476
2019 GMC Sierra 1500
Elevation Double Cab RWD
123,815 mi
$20,216
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 129,132
- Stock #:
- 299247
- VIN:
- 3GTP8DED1KG299247
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2019 GMC Sierra 1500
SLT Crew Cab RWD
129,132 mi
$25,994
- 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:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 138,069
- Stock #:
- 182965
- VIN:
- 3GTU2NEC2HG182965
2017 GMC Sierra 1500
SLT Crew Cab 4WD
138,069 mi
$21,145
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 99,243
- Stock #:
- JG504158W
- VIN:
- 3GTU2NECXJG504158
2018 GMC Sierra 1500
SLT Crew Cab 4WD
99,243 mi
$28,725
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 126,754
- Stock #:
- TKG168623
- VIN:
- 3GTP8FED1KG168623
2019 GMC Sierra 1500
Denali Crew Cab RWD
126,754 mi
$29,516
- 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:
- Black
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 185,142
- Stock #:
- 12652
- VIN:
- 3GTU2NEC0HG133201
2017 GMC Sierra 1500
SLT Crew Cab 4WD
185,142 mi
$16,029
CarGurus Analysis:
2018 GMC Sierra 1500
With 3,875 currently listed for sale and an average price of $26,188.00, 31.5% of 2018 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 1500 4.44 / 5 stars and CarGurus experts gave it an 8.17 / 10.
71.3% of 2018 Sierra 1500 models on CarGurus are accident free.
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Blue
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 137,380
- Stock #:
- 274054
- VIN:
- 1GTU9CED5KZ274054
2019 GMC Sierra 1500
Elevation Crew Cab 4WD
137,380 mi
$23,220
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 94,532
- Stock #:
- KG157827
- VIN:
- 3GTP8DED0KG157827
2019 GMC Sierra 1500
SLT Crew Cab RWD
94,532 mi
$29,825
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 85,155
- Stock #:
- 226460
- VIN:
- 3GTP1MEC7JG226460
2018 GMC Sierra 1500
SLE Crew Cab
85,155 mi
$25,711
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 90,609
- Stock #:
- P3853
- VIN:
- 3GTP1PEC5HG284093
2017 GMC Sierra 1500
Denali Crew Cab
90,609 mi
$28,034
- Year:
- 2019
- 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
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 38,846
- Stock #:
- MX5047
- VIN:
- 1GTP9EELXKZ340470
2019 GMC Sierra 1500
AT4 Crew Cab 4WD
38,846 mi
$39,031
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,928
- VIN:
- 3GTU2NEC9JG103216
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
$29,562
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- 8-Speed Automatic
- Mileage:
- 66,314
- Stock #:
- KG289180
- VIN:
- 3GTP8DED0KG289180
2019 GMC Sierra 1500
SLT Crew Cab RWD
66,314 mi
$32,225
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 58,958
- Stock #:
- TKZ179166
- VIN:
- 1GTU9DED4KZ179166
2019 GMC Sierra 1500
SLT Crew Cab 4WD
58,958 mi
$36,206
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 40,926
- Stock #:
- KG235943T
- VIN:
- 3GTP8DED9KG235943
2019 GMC Sierra 1500
SLT Crew Cab RWD
40,926 mi
$34,716
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 163,119
- Stock #:
- KG186217
- VIN:
- 3GTP8DED8KG186217
Sponsored Listing
2019 GMC Sierra 1500
SLT Crew Cab RWD
163,119 mi
$22,015
CarGurus Analysis: 2018 GMC Sierra 1500
overall
Summary
With 3,875 currently listed for sale and an average price of $26,188.00, 31.5% of 2018 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Sierra 1500 4.44 / 5 stars and CarGurus experts gave it an 8.17 / 10.
71.3% of 2018 Sierra 1500 models on CarGurus are accident free.
Why it stands out
The 2018 GMC Sierra 1500 stands out as a full-size pickup that was kept relevant with more standard content and safety features just before a redesign. GMC also made the reversing camera and the previously optional infotainment system standard equipment, which gives this truck a stronger value story than its age might suggest.
That added equipment helps the Sierra 1500 appeal to buyers who want a truck that feels more modern and easier to live with. Owner feedback also points to a smooth ride, a luxurious feel, and a comfortable interior, along with praise for its power and fuel efficiency. At the same time, some owners mentioned missing features such as backseat vents and basic safety options, and a few raised concerns about engine performance and transmission issues.
Other model years to consider
- Average price: $42,914.00
- Good/great deal percentage: 34.2%
- User rating: 5 / 5
- Total listings: 9,540
- Average price: $51,600.00
- Good/great deal percentage: 34.5%
- User rating: 5 / 5
- Total listings: 9,660
- Average price: $49,345.00
- Good/great deal percentage: 34.8%
- User rating: 4.64 / 5
- Total listings: 9,708
This analysis is based on CarGurus' proprietary market data from August 10, 2026, CarGurus experts' opinions, and generative AI.
4.5 Overall rating
Filter by rating
Ryan A
Reviewed a 2018 GMC Sierra 1500 on Aug 5, 2025
Only thing i didn’t like is the gas mileage. Mine is slightly lifted though and averages about 13 miles to the gallon
Edward E
Reviewed a 2018 GMC Sierra 1500 on Feb 28, 2020
2018 GMC Sierra. Simply the best driving & riding truck I have ever owned. The magnetic ride sets it apart and was the reason I purchased a 2018 vs the newer body style without it. It’s also the reason I choose it over similar Ford and Dodge trucks.
Anonymous
Reviewed a 2018 GMC Sierra 1500 on Mar 3, 2021
very luxurious and drives incredible smooth.. Wouldnt know its a pickup truck
Jason J
Reviewed a 2018 GMC Sierra 1500 on Aug 20, 2022
Great truck, but not liking this heavy shudder from the torque converter.
2018 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| Base | $29,000 |
| SLT Double Cab 4WD | $46,000 |
| SLE Crew Cab 4WD | $44,700 |
| Base Double Cab 4WD | $37,000 |
| SLE Double Cab 4WD | $42,100 |
| SLT Crew Cab | $45,200 |
| Denali Crew Cab 4WD | $56,000 |
| SLT Crew Cab 4WD | $48,400 |
2018 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 GMC Sierra 1500 prices has changed over time.
See more price trends2018 GMC Sierra 1500 Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest Prices in Houston: The city of Houston, TX ($26,433) has the highest average price, likely reflecting strong demand and limited supply in the area.
- Lowest Prices in New York: Conversely, New York, NY ($22,991) offers the lowest average price, suggesting a more competitive market or higher inventory turnover.
- Inventory Variation: Cities like Chicago (395 listings) and Atlanta (401 listings) have substantial inventory, which may contribute to more stable pricing around the national average.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Houston, TX | 369 | $26,433 |
| Dallas, TX | 381 | $25,085 |
| Philadelphia, PA | 314 | $25,738 |
| Los Angeles, CA | 212 | $25,813 |
| Chicago, IL | 395 | $23,282 |
| Atlanta, GA | 401 | $23,720 |
| Boston, MA | 328 | $23,900 |
| Washington, DC | 325 | $25,383 |
| Miami, FL | 214 | $22,521 |
| New York, NY | 303 | $22,991 |
Pricing Analysis by Model Year
Key Insights
- Significant New-Car Premium: The 2026 GMC Sierra 1500 is priced at $59,764, which is approximately 56.5% above its MSRP, indicating strong demand for the latest model.
- Depreciation Trends: Older models, particularly the 2015 GMC Sierra 1500, show a steep decline in value, priced at $19,092, which is about 28.2% below its original MSRP.
- Best Value Years: The 2022 GMC Sierra 1500 is priced at $42,998, reflecting a modest depreciation of only -1.1%, making it a compelling option for buyers seeking newer vehicles without steep price tags.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 GMC Sierra 1500 | $38,300 | $59,764 | +56.5% |
| 2025 GMC Sierra 1500 | $38,300 | $52,445 | +37.0% |
| 2024 GMC Sierra 1500 | $37,700 | $49,828 | +32.2% |
| 2023 GMC Sierra 1500 | $37,100 | $46,143 | +24.4% |
| 2022 GMC Sierra 1500 | $35,400 | $42,998 | -1.1% |
| 2021 GMC Sierra 1500 | $30,100 | $35,508 | +17.8% |
| 2020 GMC Sierra 1500 | $29,600 | $33,854 | +14.3% |
| 2019 GMC Sierra 1500 | $29,600 | $31,805 | +7.4% |
| 2017 GMC Sierra 1500 | $28,405 | $23,483 | -17.4% |
| 2016 GMC Sierra 1500 | $27,815 | $20,743 | -25.4% |
| 2015 GMC Sierra 1500 | $26,670 | $19,092 | -28.2% |
These recommendations are based on CarGurus' proprietary market data from August 6, 2026, CarGurus experts' opinions, and generative AI.
FAQs
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