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Used
2018 GMC Sierra 1500 trucks
for sale
near
Midlothian, 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
Painless, minimal wait time!
Painless, minimal wait time! Service advisor AB was great. Courteous and professional! Check out easy, track pulled up and ready! Will use Vandergriff again and recommend!
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.






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Shopping Experience
Mr. Attaway Ron was very helpful and polite during our test drive and shopping. He was courteous, especially during the paperwork waiting time and he took time to explain the upcoming services and needs.
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 SLT
Vehicle information
Features
Reviews
Got oil change done and got brake fluid exchange done.
Got oil change done and got brake fluid exchange done. The only thing I didn?t like was an oil drop on driver side. Probably technician resetting dashboard information. Hands get greasy I understand but be careful and wipe hands when getting in customers vehicles. Especially clean 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.






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Cowboy Toyota Wants To Serve You
My experience at Cowboy Toyota was pleasant, professional but most importantly profitable. I was able to finalize a deal and drive away in a new vehicle of my preference. They are easy to talk to and they make an effort to satisfy you as a guest as well as a customer. I feel assured in terms of recommending Cowboy Toyota to family and friends because I feel confident they will achieve the results they are looking for as it relates to buying a new car.
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






Vehicle information
Features
Reviews
I recently purchased a vehicle from Top Line Auto, and
I recently purchased a vehicle from Top Line Auto, and the experience was outstanding from start to finish. The team was incredibly knowledgeable, attentive, and genuinely committed to making sure I found the perfect car. They went above and beyond in providing detailed information about the vehicle, including mileage, Carfax history, and available warranties, which made me feel confident in my purchase. The process was smooth and stress-free, with no pressure or rush to make a decision. I also appreciated their willingness to work with my schedule and accommodate my needs. The level of customer service at Top Line Auto is truly exceptional, and I would highly recommend them to anyone looking for a quality vehicle and a hassle-free buying experience.
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.






Vehicle information
Features
Reviews
I've traded in my old Mercedes for a newer model.
I've traded in my old Mercedes for a newer model. From the moment I visited the dealership everyone was very nice, friendly, courteous and professional. They took the time to show me a few cars I was interested in before I was able to make my decision. It has been a fantastic experience and a very smooth transition from beginning to the end, thanks to guys like Joel, Oscar, Mike and Jhonatan. They have made my shopping and driving experience so much smoother than I ever imagined, and of course they made me an offer I couldn't refuse. I strongly recommend the Bishop Maserati dealership for all your car needs. These guys are the best!!!






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Matt was excellent to work with.
Matt was excellent to work with. He got my son in his truck, and was very helpful and honest. We will be doing business here again. Thank you






Vehicle information
Features
Reviews
I contacted them on a Friday night about an F150 that I
I contacted them on a Friday night about an F150 that I really liked. Not even 12 hours later, I was leaving the parking lot with it! I could not have asked for a better experience. The 5 hour drive was well worth it.






Vehicle information
Features
Reviews
I recently purchased a 2020 Mercedes G550 from Top Line
I recently purchased a 2020 Mercedes G550 from Top Line Auto, and I couldn’t be happier! The car is absolutely phenomenal—every detail exceeds my expectations. The service I received was exceptional, going above and beyond to ensure a seamless experience. If you’re in the market for a vehicle, I highly recommend Top Line Auto. They truly deliver excellence in both cars and customer care!






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
We drive past 3 other dealerships to go here!
We drive past 3 other dealerships to go here!! LOVE this dealership!! Easy to get service, super friendly people, you're never ignored like the huge mega conglomerate dealerships!!!






Used
2018 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great shopping experience
Bob Rovnack provided a very positive experience for my Daughter Meredith and me. Buying her first car should be exciting and Bob made the buying process meet our expectations. We will do business with them again.






Used
2018 GMC Sierra 1500 SLE
Vehicle information
Features
Reviews
Easy, Efficient, and Friendly Place
I purchase a used vehicle from Post, and was blown away! After shopping around for quite some time, I arrived at Post and loved everything about it. The process was simple and smooth, and we were able to agree on a price before I even arrived. I would highly recommend Post if you're looking to purchase from a small dealer, that very much embodies the people of Texas!






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
excellent buying experience
I filled out an online request for contact they very promptly got back with i told the salesman what i was looking for he did a fastastic job of getting me in a great truck for a fair price thanks guys absoloutely recommend north texas truck stop






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
I had a great experience with Spencer!
I had a great experience with Spencer! He was very knowledgeable and informed me of what to expect throughout the purchase process. This is the first time I’ve looked to purchase a vehicle on my own and he made it seem so easy. I will definitely recommend him to my family and friends!






Used
2018 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
BBC & Jason are excellent
We had a fantastic experience with BBC. Jason was amazing & we’re loving our Prius. Such a smooth & easy experience. I highly recommend them.






Used
2018 GMC Sierra 1500 Denali
Vehicle information
Features
Reviews
Great service!
Great service! Fast transaction, no hassle. I was completely pleased with my experience purchasing my vehicle with them.






Used
2018 GMC Sierra 1500 FLEET/BASE
Vehicle information
Features
Reviews
Great company
Found a great used car. Their after sales care is exceptional also. Highly recommended.






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features
Reviews
Amazing purchase experience
I found a truck on cars.Com and did the normal thing sending a request to ensure it was available. Mel reached out to me via an email message and mentioned that he would contact me later in the day. He called me later that afternoon. After that very calm conversation, he gave me very solid reassurances that a different Ford dealership had lied to me about some things.. I already had pre approved financing at my credit union, so this was a fairly straight forward process. Mel made this process so easy. I'm not a youngster with no experience. I know how this process should go. This was not my first truck buying experience. Mel is a true professional and an asset to not only his profession, but to Five Star Ford. He's a rare find in this industry. This was the easiest and most positive truck buying experience in my life! Thank you to Mr. Melvin Seibel!






Used
2018 GMC Sierra 1500 SLT
Vehicle information
Features



Used
2018 GMC Sierra 1500 Denali Ultimate
Vehicle information
Features
Reviews
Absolutely Fantastic experience !
Absolutely Fantastic experience !! Randall, Steve and Bryant are great to work with. They went out of their way to make this deal happen!!! I would absolutely do it all again. Until next time God Bless Pastor Tracy Boyd
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GMC Sierra 1500 prices by year
Model year | Prices from | Deals |
---|---|---|
2026 GMC Sierra 1500 | $43,569 | |
2025 GMC Sierra 1500 | $30,490 | 5 Good deals |
2024 GMC Sierra 1500 | $28,995 | 12 Great deals |
2023 GMC Sierra 1500 | $29,000 | 7 Great deals |
2022 GMC Sierra 1500 | $33,451 | 18 Good deals |
2021 GMC Sierra 1500 | $26,225 | 21 Good deals |
2020 GMC Sierra 1500 | $19,000 | 17 Good deals |
2019 GMC Sierra 1500 | $21,897 | 7 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 $28,749, with pricing starting at $10,499.
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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2018 GMC Sierra 1500 by body style
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.