2018 GMC Sierra 1500SLT90k miles
$27,998
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Love it for less
Explore the Sierra 1500
Made for heavy-duty hauling and long-distance travel
Why you'll love this Sierra 1500
A capable crew-cab pickup that's powerful, spacious, and well-equipped

Well equipped
30+ popular features like Apple CarPlay®, Lane Departure Warning, Front Seat Heaters.
Premium Audio
BOSE Sound System
16 city/23 hwy
Miles Per Gallon
Black
Exterior Color
Black
Interior Color
Rear Wheel Drive
Drive Type
8-cyl, Gas, 5.3L
Engine
Automatic
Transmission
5.5 ft
Bed Length
12,500 lbs
Towing Capacity (Max)
Vehicle Features and Specs
Features
Installed Upgrades
20 Inch Plus Wheels
A/C Seat(s)
Automatic Highbeams
Bed Cover
Bed Liner
BOSE Sound System
Driver Adjustable Lumbar
Heated Steering Wheel
Lane Departure Warning
Navigation System
Running Boards
Sunroof(s)
Comfort & Convenience
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Universal Garage Door Opener
Driver Assistance‡
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
Apple CarPlay®
Bluetooth Technology
CD Audio
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Alloy Wheels
Daytime Running Lights
Fog Lamps
Mechanical
Tow Hitch
Automatic Transmission
Key Specifications
5.5 ft
Bed LengthRear Wheel Drive
Drive Type8-cyl, Gas, 5.3L
EngineBlack
Exterior ColorBlack
Interior Color16 city/23 hwy
Miles Per GallonAutomatic
TransmissionPerformance
26 gal
Fuel Capacity355
Horsepower383 ft-lbs
TorqueMeasurements
42.80"
Driver Head Room45.27"
Driver Leg RoomP265/65R18
Front Tire Size (standard)143.50"
WheelbaseTrailering
12,500 lbs
Towing Capacity (Max)for the 2018 GMC Sierra 1500 SLT
Specs
Installed Upgrades
20 Inch Plus Wheels
A/C Seat(s)
Automatic Highbeams
Bed Cover
Bed Liner
BOSE Sound System
Driver Adjustable Lumbar
Heated Steering Wheel
Lane Departure Warning
Navigation System
Running Boards
Sunroof(s)
Comfort & Convenience
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Universal Garage Door Opener
Driver Assistance‡
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
Entertainment & Technology
Apple CarPlay®
Bluetooth Technology
CD Audio
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
Interior
Leather Seats
Side Airbags
Overhead Airbags
Exterior
Alloy Wheels
Daytime Running Lights
Fog Lamps
Mechanical
Tow Hitch
Automatic Transmission
Key Specifications
5.5 ft
Bed LengthRear Wheel Drive
Drive Type8-cyl, Gas, 5.3L
EngineBlack
Exterior ColorBlack
Interior Color16 city/23 hwy
Miles Per GallonAutomatic
TransmissionPerformance
26 gal
Fuel Capacity355
Horsepower383 ft-lbs
TorqueMeasurements
42.80"
Driver Head Room45.27"
Driver Leg RoomP265/65R18
Front Tire Size (standard)143.50"
WheelbaseTrailering
12,500 lbs
Towing Capacity (Max)for the 2018 GMC Sierra 1500 SLT
Standard OEM Features
These are standard original equipment manufacturer features for the 2018 GMC Sierra 1500 SLT. All available options are not listed below and may vary by car.
- 6-speaker audio system
- Active Aero Shutters, front
- Air conditioning, dual-zone automatic climate control
- Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
- Alternator, 150 amps (Not included with (PCQ) SLT eAssist Package.)
- Assist handle, front passenger on A-pillar
- Audio system, 8" diagonal Color Touch Screen with GMC Infotainment System, AM/FM/SiriusXM, HD Radio with USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, Pandora Internet radio and voice-activated technology for radio and phone (Upgradeable to (IO6) 8" Diagonal Color Touch audio system with Navigation and GMC Infotainment System.)
- Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
- Bluetooth for phone personal cell phone connectivity to vehicle audio system
- Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock
- Bumper, front chrome lower
- Bumper, rear chrome with rear bumper corner steps
- Capless Fuel Fill
- Cargo tie downs (4), movable upper
- COCOA/DUNE, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM (Requires (KQV) heated and ventilated seating.)
- Cooling, auxiliary external transmission oil cooler
- Cooling, external engine oil cooler
- CornerStep, rear bumper
- Cruise control, steering wheel-mounted
- DARK ASH SEATS WITH JET BLACK INTERIOR ACCENTS, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM (Requires (KQV) heated and ventilated seating.)
- Daytime Running Lamps with automatic exterior lamp control
- Defogger, rear-window electric
- Differential, heavy-duty locking rear
- Door handles, chrome
- Door locks, power
- Driver Information Center, 4.2-inch diagonal color display includes driver personalization, warning messages and vehicle information
- Engine, 5.3L EcoTec3 V8, with Active Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm)
- Exhaust, aluminized stainless-steel muffler and tailpipe
- Floor covering, color-keyed carpeting
- Floor mats, color-keyed carpeted first and second row (Not available with (GAT) All Terrain Package.)
- Fog lamps, thin profile LED
- Frame, fully-boxed, hydroformed front section
- Glass, deep-tinted
- GMC Connected Access with 10 years of standard connectivity which enables services such as, Vehicle Diagnostics, Dealer Maintenance Notification, GMC Smart Driver, Marketplace and more; EFFECTIVE WITH SALES STARTING 5/1/2018. (Included and only available with (UE1) OnStar. Limitations apply. Not transferable. Standard connectivity available to original purchaser for ten years from the date of initial vehicle purchase for model year 2018 or newer GMC vehicles. See onstar.com for details and further plan limitations. Connected Access does not include emergency or security services. Availability and additional services enabled by Connected Access are subject to change.)
- Grille surround, chrome
- GVWR, 7000 lbs. (3175 kg) (Regular Cab requires K15903 model and (L83) 5.3L EcoTec3 V8 engine. Crew Cab and Double Cab requires a 2WD model and (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package.)
- Headlamps, high intensity discharge (HID) projector-beam with LED signature
- Instrumentation, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Lamps, cargo area, cab mounted with switch on center switch bank
- LED Lighting, cargo box with switch on center switch bank
- Mirror caps, chrome (Not available with (GAT) All Terrain Package and (NHT) max Trailering Package.)
- Mirror, inside rearview auto-dimming
- Mirrors, outside chrome cap, heated power-adjustable, power-folding and driver-side auto-dimming with integrated turn signal indicators and puddle lamps (includes driver's side spotter mirror)
- Moldings, bodyside, chrome
- OnStar 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 3 months or 3GB (whichever comes first) DATA TRIAL OFFER GOOD THROUGH 4/30/2018 (Available Wi-Fi requires compatible mobile device, active OnStar service and data plan. Data plans provided by AT&T. Visit onstar.com for details and system limitations.)
- OnStar and GMC connected services capable; EFFECTIVE WITH RETAIL SALES STARTING 5/1/2018. (Visit onstar.com for coverage map, details and system limitations. Services vary by model.)
- Pedals, power-adjustable
- Pickup box
- Power outlet, 110-volt AC
- Radio, HD
- Rear axle, 3.08 ratio (Standard and only available on (L83) 5.3L EcoTec3 V8 engine. Not available with (RD3) 20" bright machined aluminum wheels, (NZP) 20" chrome clad aluminum, (RD5) 20" polished aluminum, (NZH) 20" bright machined aluminum with painted accents or 22" LPO wheels.)
- Rear Vision Camera
- Rear wheel drive
- Remote Keyless Entry (Includes (A91) remote locking tailgate.)
- Remote Locking Tailgate (Included and only available with (AQQ) Remote Keyless Entry.)
- Remote vehicle starter system
- Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor)
- Seating, heated driver and front passenger Only available on Crew Cab and Double Cab models.
- Seats, front 40/20/40 leather-appointed split-bench, 3-passenger with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters, including driver/front passenger power recline, driver/front passenger power lumbar, 2-position driver memory and adjustable outboard head restraints.
- Single-slot CD/MP3 player (On Crew Cab model replaced by (U42) rear seat DVD/Blu-Ray Entertainment Package when (U42) Entertainment Package is ordered.)
- SiriusXM Satellite Radio is standard on nearly all 2018 GM models. Enjoy a 3-month All Access trial subscription with over 150 channels including commercial-free music, plus sports, news and entertainment. Plus listening on the app and online is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. To cancel you must call us at 1-866-635-2349. See our Customer Agreement for complete terms at www.siriusxm.com. All fees and programming subject to change.)
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- Steering column, manual Tilt-Wheel and telescoping
- Steering wheel audio controls
- Steering wheel, leather-wrapped with audio and cruise controls
- Steering, Electric Power Steering (EPS) assist, rack-and-pinion
- Suspension Package
- Tailgate and bed rail protection caps, top
- Tailgate, EZ-Lift and Lower
- Taillamps, LED with signature
- Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to encourage safe driving behavior. It can limit certain vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report gives you information on your teen's driving habits and helps you to continue to coach your new driver
- Theft-deterrent system, unauthorized entry
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
- Tire, spare P265/70R17 all-season, blackwall
- Tires, P265/65R18 all-season, blackwall
- Trailering equipment includes trailer hitch, 7-pin and 4-pin connectors
- Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
- Universal Home Remote
- Visors, driver and front passenger illuminated vanity mirrors
- Wheelhouse liners, rear (Requires Crew Cab or Double Cab model.)
- Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) polished aluminum
- Windows, power with driver express up and down and express down on all other windows
Comfort & Convenience
Driver Assistance‡
Entertainment & Technology
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Even more to love
The 2018 GMC Sierra 1500 delivers powerful performance, capable towing, and a refined interior.
CarMax Certified quality
Drive with confidence
No flood or frame damage
No reported odometer problems
Deep cleaned interior
125-point inspection
View listVehicle history by AutoCheck®
View report10-day money back guarantee
30-day limited warranty
Longer in some states. See store for details.
Cosmetic condition
Our cars are used, so you might spot a scratch or ding. We fix what’s needed to meet our cosmetic standards and leave some small blemishes so you get a better price.

See how this one stacks up
Learn about Sierra 1500 changes by year
Customer rating
3.9/5
17 Reviews5 star
59%
4 star
6%
3 star
18%
2 star
6%
1 star
12%
What Sierra 1500 owners are saying
The 2018 GMC Sierra 1500 receives praise for its smooth ride, powerful engine, and high-end interior. However, some customers criticize its high cost and occasional reliability issues. Fuel economy and cabin space are additional highlights, while concerns exist over repair costs and technology glitches.
Pros
Ride and Handling
Fuel Economy
Power
Cons
Value
Power
Ride and Handling
The CarMax difference
CarMax Certified quality
Easy 10-day returns
30-day limited warranty
Longer in some states. See store for details.Optional MaxCare® keeps you covered
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Love it for less
† Available within a 60-mile radius of select stores. See store for details.
‡ Driver assistance features are not a substitute for attentive driving; the driver is responsible for vehicle operation at all times. Features may have limited functionality in certain situations. See this car’s Owner’s Manual and manufacturer information for full details and important limitations.
§ MPG/MPGe/range figures based on EPA estimates for vehicle sold as new; results will vary based on vehicle history and driving conditions.
‖ Apple CarPlay and iPhone are trademarks of Apple Inc. Google, Android and Android Auto are trademarks of Google LLC.
¶All trademarks are the property of their respective owners. Use of a third-party trademark does not imply an endorsement or affiliation.
2018 GMC Sierra 1500 SLT
$27,998

2018 GMC Sierra 1500 SLT
$27,998*
90K miles
Features
A/C Seat(s)
Heated Steering Wheel
Remote Start
Front Seat Heaters
Memory Seat(s)
Cruise Control
Power Seat(s)
Air Conditioning
Power Mirrors
Rear Defroster
Power Windows
Power Locks
Driver Adjustable Lumbar
Universal Garage Door Opener
Lane Departure Warning
Rear View Camera
Parking Sensors
ABS Brakes
Traction Control
BOSE Sound System
Navigation System
Apple CarPlay®
Bluetooth Technology
CD Audio
Satellite Radio Ready
SiriusXM Trial Available
Auxiliary Audio Input
AM/FM Stereo
Leather Seats
Sunroof(s)
Side Airbags
Overhead Airbags
20 Inch Plus Wheels
Running Boards
Bed Cover
Bed Liner
Alloy Wheels
Automatic Highbeams
Daytime Running Lights
Fog Lamps
Tow Hitch
Automatic Transmission
Specifications
Miles Per Gallon
16 city/23 hwy
Exterior Color
Black
Interior Color
Black
Drive Type
Rear Wheel Drive
Engine
8-cyl, Gas, 5.3L
Transmission
Automatic
Bed Length
5.5 ft
Towing Capacity (Max)
12,500 lbs
Horsepower
355
Torque
383 ft-lbs
Wheelbase
143.50"
Driver Leg Room
45.27"
Driver Head Room
42.80"
Fuel Capacity
26 gal
Front Tire Size (standard)
P265/65R18
*Price excludes state and local taxes, title, registration, tags, and any optional products or services. Price assumes that final purchase will be made in the State of MD, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions. Limited warranty is 30 days. See store for details. We make every effort to provide accurate information, but please verify before purchasing.
















































