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Used
2018 GMC Sierra 1500 trucks
for sale
near
Channelview, TX
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
2018 crew cab gmc Sierra 1500
Am in disbelief every week at the Gas Pumps. Thou a big truck, mileage per gallons are 18 +. Last week it was 22.8. This week 19.78.
Vehicle information
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Reviews
Great vehicles maintenance inspection is up to date and
Great vehicles maintenance inspection is up to date and good people customer service excellent I do recommend car stars
new owner of the gmc denali, 2018 6.2
handles and drives great, the electronics don't always work, mirrors don't always work, spray with wd 40, check engine light, EVAP culprit, auto nation has no luck with this, will drive it till the warrenty expires and its back to ford for me
Used
2018 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
My experience at auto boutique was very I was very happy
My experience at auto boutique was very I was very happy with my salesman Ola the manager and the finance manager. I recommend anybody go to get a five star for me. We’re very happy me and *my Wife who purchased a vehicle around four 2019 low mileage 36,001 154 miles looks brand new. I love it very happy very experience. I look very good experience so I recommend anyone to go there and get a five stars from me a lot of nice vehicle vehicles.
best in class
My GMC Sierra is the best ride I have had in all the years that I have been driving. I started driving in 1977. I love my new Sierra.
Vehicle information
Features
Reviews
Best experience ever, they are very friendly and
Best experience ever, they are very friendly and acknowledge about the cars they help me to find the right car for me
Better than my old truck
The truck has more features than I need. It is quiet and comfortable. it has plenty of power to pull a work trailer. Overall a nice truck
Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
2017 Honda Civic
I bought a 2017 Honda Civic last week. I was preapproved before I walked into the dealership. There were a couple of issues once I began completing the buying process, but after 3 hours at the dealership, I walked out with my new vehicle.
This is an attractive and enjoyable vehicle.
I traded my Chevrolet Silverado for this GM Certified GMC Sierra 1500. It is an attractive and enjoyable vehicle. Some years ago I had a GMC and really prefer them over a Chevrolet. This vehicle is just what I need for hauling and general driving.
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Reviews
I purchased a car from Verna, and she was super helpful
I purchased a car from Verna, and she was super helpful throughout the entire car buying experience. If you need a car come see Verna!
Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
I never even saw the used car I bought!
I never even saw the used car I bought! They were great, they communicated, the process was longer because I couldn’t go get the car but they were amazing to work with!
Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Bo Sierra did an excellent job helping us with our new
Bo Sierra did an excellent job helping us with our new car purchase. He was able to explain details of our purchase. His experience and knowledge led us to making the right selection of vehicle. He made me feel well taken care of. I highly recommend Bo for your next car purchase.
Vehicle information
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A while ago, I found myself in a difficult position with
A while ago, I found myself in a difficult position with a credit score stuck around 400. My reports were weighed down by multiple negative items late payments, collections, and charge-offs. This made it nearly impossible to qualify for loans, secure an apartment, or even pursue certain job opportunities that required a credit check. After a friend shared how SafePort Credit Specialist helped them achieve a significant turnaround, I decided to reach out. Looking back, that decision made all the difference. From the very first interaction, their team demonstrated a high level of professionalism. They took the time to explain the process, outlined what needed to be done, and immediately began working on disputing and removing the inaccurate and outdated negative information on my reports. Throughout the process, they kept me informed and handled everything step by step. Within a few months, my credit score climbed from the low 400s to 810. The transformation was remarkable not just in numbers, but in real-world outcomes. I went from being routinely rejected to being approved for major credit products with favorable terms. If you're dealing with similar credit challenges and are looking for a team that delivers real, measurable results, I highly recommend reaching out to SafePort Credit Specialist. You can contact them at: SAFEPORTCREDITSPECIALIST@GMAIL.COM They truly deliver and, in my experience, have a meaningful impact on people’s financial well-being. Don't wait as long as I did get in touch and take control of your credit today.
Used
2018 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Fourth Purchase
This will be my fourth purchase from Drive Time SW Frwy. location. Always excellence in service, sales, inventory and delivery. Dre, my Salesperson is hooking me up now :)
Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Robert was extremely helpful throughout the entire
Robert was extremely helpful throughout the entire process. Very clean facility and friendly folks. I highly recommend DeMontrond to anyone looking to purchase a new GMC/ Buick.
There are 20 matching cars close to your year range.
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2019 GMC Sierra 1500 SLT
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2020 GMC Sierra 1500 SLT
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2020 GMC Sierra 1500 Elevation
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2020 GMC Sierra 1500 SLT
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2017 GMC Sierra 1500 SLT
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Used
2019 GMC Sierra 1500 SLT
Vehicle information
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Used
2019 GMC Sierra 1500 SLT
Vehicle information
Features
Vehicle information
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GMC Sierra 1500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 1500 | $60,918 | 1 Good deal |
| 2025 GMC Sierra 1500 | $59,167 | 8 Great deals |
| 2024 GMC Sierra 1500 | $49,739 | 7 Great deals |
| 2023 GMC Sierra 1500 | $45,575 | 19 Good deals |
| 2022 GMC Sierra 1500 | $43,532 | 19 Good deals |
| 2021 GMC Sierra 1500 | $33,468 | 8 Great deals |
| 2020 GMC Sierra 1500 | $32,102 | 9 Good deals |
About the 2018 GMC Sierra 1500
Base shown (base trim).
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 20
- Transmission
- 6-Speed A/T
- Engine
- 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability)
How much does the 2018 GMC Sierra 1500 cost?
The 2018 GMC Sierra 1500 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2018 Sierra 1500 is $26,956, with pricing starting at $9,500.
What is the MPG of the 2018 GMC Sierra 1500?
The 2018 GMC Sierra 1500 offers up to 18 MPG in city driving and 24 MPG on the highway for a combined rating of 20 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2018 GMC Sierra 1500?
The 2018 GMC Sierra 1500 compares to and/or competes against the following vehicles:
Is the 2018 GMC Sierra 1500 reliable?
The 2018 GMC Sierra 1500 has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 Sierra 1500 owners.
Is the 2018 GMC Sierra 1500 a good truck?
Below are the Cars.com consumer ratings for the 2018 GMC Sierra 1500.
- Comfort
- 4.9
- Interior
- 4.8
- Performance
- 4.7
- Value
- 4.6
- Exterior
- 4.8
- Reliability
- 4.7
93% of drivers recommend this car
- Comfort
- 4.9
- Interior
- 4.8
- Performance
- 4.7
- Value
- 4.6
- Exterior
- 4.8
- Reliability
- 4.7
Base (10 styles)
| Style | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2WD Crew Cab 143.5" | 4WD Crew Cab 143.5" | 4WD Double Cab 143.5" | 2WD Double Cab 143.5" | 4WD Crew Cab 153.0" | 2WD Crew Cab 153.0" | 4WD Reg Cab 119.0" | 2WD Reg Cab 119.0" | 2WD Reg Cab 133.0" | 4WD Reg Cab 133.0" |
| Inventory price | |||||||||
| Starting at $35,500 | Starting at $38,700 | Starting at $37,000 | Starting at $33,000 | Starting at $40,100 | Starting at $36,900 | Starting at $32,900 | Starting at $29,000 | Starting at $29,300 | Starting at $33,200 |
| Combined MPG | |||||||||
| 20 | 19 | 19 | 20 | 18 | 19 | 19 | 20 | 20 | 19 |
| Engine | |||||||||
| 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) |
Denali (3 styles)
| Style | ||
|---|---|---|
| 4WD Crew Cab 153.0" Denali | 2WD Crew Cab 143.5" Denali | 4WD Crew Cab 143.5" Denali |
| Inventory price | ||
| Starting at $56,300 | Starting at $52,900 | Starting at $56,000 |
| Combined MPG | ||
| 17 | 18 | 17 |
| Engine | ||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
SLE (10 styles)
| Style | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2WD Reg Cab 119.0" SLE | 4WD Reg Cab 133.0" SLE | 4WD Reg Cab 119.0" SLE | 2WD Reg Cab 133.0" SLE | 4WD Double Cab 143.5" SLE | 2WD Double Cab 143.5" SLE | 4WD Crew Cab 153.0" SLE | 2WD Crew Cab 153.0" SLE | 2WD Crew Cab 143.5" SLE | 4WD Crew Cab 143.5" SLE |
| Inventory price | |||||||||
| Starting at $35,700 | Starting at $39,900 | Starting at $39,600 | Starting at $35,800 | Starting at $42,100 | Starting at $38,300 | Starting at $46,100 | Starting at $42,100 | Starting at $40,700 | Starting at $44,700 |
| Combined MPG | |||||||||
| 20 | 19 | 19 | 20 | 19 | 20 | 18 | 19 | 20 | 19 |
| Engine | |||||||||
| 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 355.0-hp, 5.3-liter, 8 Cylinder Engine (Gasoline Fuel) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) | 285.0-hp, 4.3-liter, V6 Cylinder Engine (Flex Fuel Capability) |
SLT (5 styles)
| Style | ||||
|---|---|---|---|---|
| 2WD Double Cab 143.5" SLT | 4WD Crew Cab 143.5" SLT | 2WD Crew Cab 143.5" SLT | 4WD Double Cab 143.5" SLT | 4WD Crew Cab 153.0" SLT |
| Inventory price | ||||
| Starting at $42,800 | Starting at $48,400 | Starting at $45,200 | Starting at $46,000 | Starting at $48,700 |
| Combined MPG | ||||
| 19 | 17 | 18 | 18 | 17 |
| Engine | ||||
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
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