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Used 2018 GMC Sierra 1500 Denali trucks for sale near San Antonio, TX

Filters 6 Year Trim Model Price & payment Make Mileage All filters
2 matches 30 miles from 78201
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Est. $400 /mo*
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.

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2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 Denali View all 30 photos

Used

2018 GMC Sierra 1500 Denali

54,517 mi.
$38,998
Est. $720/mo*
Free AutoCheck Report
CarMax San Antonio
Not rated Dealerships need five reviews in the past 24 months before we can display a rating. (17 reviews)
San Antonio, TX (4 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: Black
Int. color: BLACK
Drivetrain: Four-wheel Drive
MPG: 15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: Gas
Stock #: 26840052
VIN: 3GTU2PEC1JG547735

Features

Convenience: Heated Steering Wheel, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, HomeLink, Premium Sound System, Satellite Radio
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety: Backup Camera, Lane Departure Warning
Seating: Leather Seats, Memory Seat

Reviews

CarMax San Antonio review

Great experience

November 16, 2019
By Angela Sturk from San Antonio Texas

I’ve traded two vehicles with Carmax in San Antonio and I must say I’m very impressed with their customer service and their time that they give to the consumers. Patrick Burrows has been an amazing sales associates and I would recommend him to anyone that is wanting to trade in their vehicle

2018 GMC Sierra 1500 Denali review

2018 crew cab gmc Sierra 1500

September 7, 2023
By Josh from Pensacola, Fl
Owns this car

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.

No photo available

Certified

2018 GMC Sierra 1500 DENALI

72,143 mi.
$33,498
Est. $618/mo*
Get the AutoCheck Report
Mac Haik's Southway Ford
(881 reviews)
San Antonio, TX (9 mi.)
Call

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black
Transmission: 8-Speed Automatic
Engine: 5.3L V8 16V GDI OHV
Stock #: P14617
VIN: 3GTP1PEC9JG519682

Reviews

Mac Haik's Southway Ford review

Wonderful Customer Service

January 20, 2024
By Melissa Ramirez from San Antonio, Texas

We are so happy with our new Ford Bronco!! Andy Ramos provided excellent customer service and went above and beyond! Thank you to Mac Haik Ford, and the staff. Happy New Year

2018 GMC Sierra 1500 DENALI review

new owner of the gmc denali, 2018 6.2

May 8, 2021
By robby from hampton ga.
Owns this car

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

There is 1 matching car close to your year range.

2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Denali View all 33 photos

Used

2019 GMC Sierra 1500 Denali

48,677 mi.
$42,262
Est. $780/mo*
Free CARFAX 1-Owner Report
Principle BMW of San Antonio
San Antonio, TX (9 mi.)
Call Check availability Check availability

Vehicle information

Ext. color: White Frost Tricoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG: 15-20
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: KZ324588A
VIN: 1GTU9FEL7KZ324588

Features

Convenience: Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment: Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior: Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety: Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat
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GMC Sierra 1500 prices by year

Model year Prices from Deals
2025 GMC Sierra 1500 Denali $61,455

About the 2018 GMC Sierra 1500 Denali

Basics

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)
Side view of the 2018 GMC Sierra 1500 Denali
FAQs

How much does the 2018 GMC Sierra 1500 Denali cost?

The 2018 GMC Sierra 1500 Denali price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2018 Sierra 1500 Denali is $32,413, with pricing starting at $16,988.

What is the MPG of the 2018 GMC Sierra 1500 Denali?

The 2018 GMC Sierra 1500 Denali 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 options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2018 GMC Sierra 1500 Denali?

The 2018 GMC Sierra 1500 Denali compares to and/or competes against the following vehicles:

Is the 2018 GMC Sierra 1500 Denali 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 Denali a good truck?

Below are the Cars.com consumer ratings for the 2018 GMC Sierra 1500.

(172 reviews)
Rating breakdown (out of 5):
  • Comfort 4.9
  • Interior 4.8
  • Performance 4.7
  • Value 4.6
  • Exterior 4.8
  • Reliability 4.7
Ratings (172 reviews)

93% of drivers recommend this car

Rating breakdown (out of 5):
  • Comfort 4.9
  • Interior 4.8
  • Performance 4.7
  • Value 4.6
  • Exterior 4.8
  • Reliability 4.7

*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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Basics
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Sierra 1500 trims
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‡Monthly budget search results are estimated based on a 72-month loan term with $0 down payment, $0 trade-in value, 0.0 % sales tax and 7.0 % APR. Inputs can be personalized using the calculator.
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