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GMC
Sierra 1500
SLT
GMC Sierra 1500 SLT for Sale in Harrisburg, PA
17101
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X31 Off-Road and Protection Package
(6)
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(8)
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(1)
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SLT Crew Cab Value Plus Package
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All Terrain Slt Crew Cab "Plus" Package
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(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
(1)
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
Mocha Steel Metallic Edition
Technology Package
LPO, Essentials Package
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
Safe And Sound Package
(1)
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
Graphite Blue Metallic Edition
LPO, GMC Protection Package
Max Trailering Pack
SLT Preferred Equipment Group
Suspension Package, Off-Road"
Sierra Safety Plus Package
(1)
Add Another Make
GMC
Models
Sierra 1500
Acadia
(124)
Caballero
Canyon
(56)
Envoy
(2)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(22)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(1)
Savana 2500
(20)
Savana 3500
(7)
Savana 4500
Sierra 1500
(388)
Sierra 2500
(143)
Sierra 3500
(35)
Sierra EV
(22)
Sonoma
Suburban
Syclone
Terrain
(146)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(60)
Yukon XL
(46)
Sierra 1500 Trims
SLT
AT4
(37)
AT4X
(7)
C3
Carrera GTS
Classic
Classic Denali
Denali
(79)
Denali Ultimate
(14)
Elevation
(127)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(28)
SL
SLE
(31)
SLT
(57)
Special
Sport
W/T
XFE
SLT Package
Any
SLT Premium Plus Package
(18)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(2)
SLT Preferred Package
(16)
Onstar Plus Package
Professional Package
Off-Road Package
(1)
Sun And Navigation Package
Sierra Performance Edition
SLE Value Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(2)
Max Trailering Package
(8)
LPO, Assist Step and Tonneau Package
Snow Plow Prep Package
Texas SLT Crew Cab Value Package
LPO, Bed Protection Package
SLE/SLT Trailering Package
Convenience Package
Entertainment Package, Rear Seat DVD Player
Sierra Special Edition
All Terrain X Edition
Chrome Essentials Package
LPO, Chrome Package
LPO, Cargo Convenience Package
Texas Edition SLT Premium Package
Texas SLT Premium Package
(1)
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(1)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(1)
Driver Alert Package II
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(6)
Light Duty Power Package
(1)
EZ-Lift Tailgate Package
Sierra Fleet Convenience Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Performance Upgrade Package
X31 Off-Road Package
(8)
SLT Crew Cab Value Package
LPO, Under Body Shield Package, Transfer Case Protection
SLT White Diamond Edition
White Diamond Edition
Limited Appearance Package
LPO, Black Badging Package
(1)
Laser Blue Special Edition
Suspension Package, Off-Road
(6)
SLT Premium Package
(19)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
(1)
All Terrain Package
(1)
All Terrain X Package
SLT Crew Cab Value Plus Package
Suspension Package, Ride-Control, Manual Selectable
Vortex Max Performance Pack
Body Color All-Terrain Package
Driver Alert Package
All Terrain Slt Crew Cab "Plus" Package
Driver Alert Package I
(1)
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
(1)
Heritage Edition
Texas SLT Crew Cab Value Plus Package
Z71 Off-Road Package
Vortecmax Performance Pack
All-Terrain Package
Mocha Steel Metallic Edition
Technology Package
LPO, Essentials Package
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
Safe And Sound Package
(1)
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
Graphite Blue Metallic Edition
LPO, GMC Protection Package
Max Trailering Pack
SLT Preferred Equipment Group
Suspension Package, Off-Road"
Sierra Safety Plus Package
(1)
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
New
(27)
Used
(30)
Manufacturer Certified
(5)
Third-Party Certified
(0)
Certified Program Details
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(27)
Used
(30)
Manufacturer Certified
(5)
Third-Party Certified
(0)
Certified Program Details
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(31)
Extended Cab
(0)
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(0)
Crew Cab
(31)
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(0)
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(0)
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(46)
Medium
(11)
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Include unspecified lengths
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Short
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Medium
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Long
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57 Matches
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Certified
2021 GMC Sierra 1500
SLT
23K mi
40,992
See payment
Great Price
No Accidents
Used
2018 GMC Sierra 1500
SLT
118K mi
26,488
See payment
Good Price
Used
2025 GMC Sierra 1500
SLT
36K mi
41,963
See payment
Great Price
No Accidents
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Very Good (700-739)
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Rebuilding (580-629)
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Search Available Cars
Price Drop
Used
2019 GMC Sierra 1500
SLT
91K mi
31,000
See payment
Great Price
No Accidents
Used
2023 GMC Sierra 1500
SLT
28K mi
47,500
See payment
Great Price
No Accidents
Used
2024 GMC Sierra 1500
SLT
38K mi
45,500
See payment
Great Price
No Accidents
Used
2024 GMC Sierra 1500
SLT
55K mi
39,249
See payment
Great Price
Item 1 of 10.
How many passenger seats do you need in your truck?
Any
3 or less
4
5
6
Do you want
Adaptive Cruise Control?
Automatically adjusts your speed to maintain a safe distance from the car ahead.
Yes, Update Filter
No Preference
Do you want
Backup Camera?
See behind your vehicle while reversing with a live video feed to avoid obstacles.
Yes, Update Filter
No Preference
Do you want
Bluetooth, Hands-Free?
Make and receive calls safely through your car's audio system without touching your phone.
Yes, Update Filter
No Preference
Do you want
Cross Traffic Alert?
Warns you of approaching vehicles from the sides when backing out of a parking spot.
Yes, Update Filter
No Preference
Do you want
Keyless Start?
Start your car with the push of a button while the key fob stays in your pocket or bag.
Yes, Update Filter
No Preference
Do you want
Lane Departure Warning?
Alerts you if your car begins to drift out of its lane without signaling.
Yes, Update Filter
No Preference
Do you want
Premium Audio?
Enjoy high-quality sound with advanced speakers for a better listening experience.
Yes, Update Filter
No Preference
Do you want
Remote Engine Start?
Start your car from a distance to preheat or cool the cabin before you get in.
Yes, Update Filter
No Preference
Do you want
Security System?
Alerts you with a loud alarm if someone tries to break into your vehicle.
Yes, Update Filter
No Preference
Used
2022 GMC Sierra 1500
SLT
41K mi
39,000
See payment
Great Price
No Accidents
Newly Listed
360°
Used
2017 GMC Sierra 1500
SLT
139K mi
18,900
See payment
Certified
2024 GMC Sierra 1500
SLT
61K mi
48,988
See payment
No Accidents
Used
2019 GMC Sierra 1500
SLT
110K mi
28,900
See payment
Newly Listed
Used
2025 GMC Sierra 1500
SLT
48K mi
42,000
See payment
No Accidents
360°
Used
2018 GMC Sierra 1500
SLT
117K mi
26,950
See payment
No Accidents
Price Drop
Used
2019 GMC Sierra 1500
SLT
78K mi
32,921
See payment
Great Price
Certified
2023 GMC Sierra 1500
SLT
31K mi
47,990
See payment
Great Price
No Accidents
Used
2018 GMC Sierra 1500
SLT
142K mi
23,678
See payment
Used
2018 GMC Sierra 1500
SLT
78K mi
31,989
See payment
Good Price
No Accidents
Used
2020 GMC Sierra 1500
SLT
71K mi
37,997
See payment
No Accidents
Price Drop
Used
2024 GMC Sierra 1500
SLT
43K mi
42,500
See payment
Great Price
No Accidents
Used
2026 GMC Sierra 1500
SLT
14 mi
63,000
See payment
No Accidents
Price Drop
Used
2018 GMC Sierra 1500
SLT
27K mi
34,840
See payment
No Accidents
Newly Listed
Used
2018 GMC Sierra 1500
SLT
76K mi
30,900
See payment
Great Price
No Accidents
Used
2024 GMC Sierra 1500
SLT
42K mi
41,500
See payment
Great Price
No Accidents
New
2026 GMC Sierra 1500
SLT
2 mi
59,099
MSRP
$66,265
See payment
New
2026 GMC Sierra 1500
SLT
2 mi
61,800
MSRP
$68,135
See payment
New
2026 GMC Sierra 1500
SLT
2 mi
63,617
MSRP
$70,105
See payment
New
2026 GMC Sierra 1500
SLT
8 mi
59,430
MSRP
$67,180
See payment
Incentive
New
2026 GMC Sierra 1500
SLT
4 mi
61,970
MSRP
$69,720
See payment
Incentive
See More Results
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