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Used Cars for Sale
GMC
Sierra 1500
SLT
Used GMC Sierra 1500 SLT for Sale in Middletown, DE
19709
Filters (4)
Items 1 to 2 of 14.
GMC Certified Pre-Owned
(5)
2004 and newer
(41)
AWD/4WD
(41)
Gray
(6)
Remote Engine Start
(41)
Black
(10)
Blue
(3)
Burgundy
(1)
2006 and older
(1)
Automatic
(42)
Keyless Entry
(42)
Rear Wheel Drive
(1)
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(42)
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Good Price
(4)
Great Price
(16)
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Price
Payment
Min Price
Max Price
Price Rating
Good Price
(4)
Great Price
(16)
Make, Model & Trim
GMC
Models
Sierra 1500
Acadia
(80)
Caballero
Canyon
(32)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(4)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(2)
Savana 2500
(26)
Savana 3500
(32)
Savana 4500
(1)
Sierra 1500
(192)
Sierra 2500
(38)
Sierra 3500
(6)
Sierra EV
(3)
Sonoma
(1)
Suburban
Syclone
Terrain
(118)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(66)
Yukon XL
(41)
Sierra 1500 Trims
SLT
4WD Limited
AT4
(31)
AT4X
(4)
C3
Carrera GTS
Classic
Classic Denali
Denali
(34)
Denali Ultimate
(8)
Elevation
(46)
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Limited AT4
Limited Denali
Limited Elevation
Limited Pro
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Pro
(10)
SL
SLE
(10)
SLT
(42)
Special
Sport
W/T
XFE
SLT Package
Any
SLT Premium Plus Package
(10)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(1)
SLT Preferred Package
(7)
Onstar Plus Package
Professional Package
Off-Road Package
Sun And Navigation Package
Sierra Performance Edition
SLE Value Package
Trailer Camera Package Provisions
LPO, Chrome Plus Package
LPO, Deluxe Chrome Package
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(2)
Max Trailering Package
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
(1)
Texas SLT Premium Package
LPO, Chrome Appearance Package
SLT Eassist Package
(1)
Enhanced Driver Alert Package
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
Driver Alert Package II
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(4)
Light Duty Power Package
EZ-Lift Tailgate Package
Sierra Fleet Convenience Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Performance Upgrade Package
X31 Off-Road Package
(6)
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
Sierra Limited Edition
Laser Blue Special Edition
Suspension Package, Off-Road
(1)
SLT Premium Package
(10)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
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
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
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
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
Graphite Blue Metallic Edition
LPO, GMC Protection Package
Max Trailering Pack
SLT Preferred Equipment Group
(1)
Suspension Package, Off-Road"
Sierra Safety Plus Package
Add Another Make
GMC
Models
Sierra 1500
Acadia
(80)
Caballero
Canyon
(32)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(4)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(2)
Savana 2500
(26)
Savana 3500
(32)
Savana 4500
(1)
Sierra 1500
(192)
Sierra 2500
(38)
Sierra 3500
(6)
Sierra EV
(3)
Sonoma
(1)
Suburban
Syclone
Terrain
(118)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(66)
Yukon XL
(41)
Sierra 1500 Trims
SLT
4WD Limited
AT4
(31)
AT4X
(4)
C3
Carrera GTS
Classic
Classic Denali
Denali
(34)
Denali Ultimate
(8)
Elevation
(46)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(10)
SL
SLE
(10)
SLT
(42)
Special
Sport
W/T
XFE
SLT Package
Any
SLT Premium Plus Package
(10)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(1)
SLT Preferred Package
(7)
Onstar Plus Package
Professional Package
Off-Road Package
Sun And Navigation Package
Sierra Performance Edition
SLE Value Package
Trailer Camera Package Provisions
LPO, Chrome Plus Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(2)
Max Trailering Package
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
(1)
Texas SLT Premium Package
LPO, Chrome Appearance Package
SLT Eassist Package
(1)
Enhanced Driver Alert Package
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
Driver Alert Package II
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(4)
Light Duty Power Package
EZ-Lift Tailgate Package
Sierra Fleet Convenience Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Performance Upgrade Package
X31 Off-Road Package
(6)
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
Sierra Limited Edition
Laser Blue Special Edition
Suspension Package, Off-Road
(1)
SLT Premium Package
(10)
White Diamond Tricoat Edition
Texas Edition SLT Premium Plus Package
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
LPO, Protection Package
LPO, On The Job Package
Deep Indigo Metallic Edition
Mineral Green Metallic Edition
Trailer Camera Package
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
LPO, Utility Wall Package
Entertainment Package
Skid Plate Package
Graphite Blue Metallic Edition
LPO, GMC Protection Package
Max Trailering Pack
SLT Preferred Equipment Group
(1)
Suspension Package, Off-Road"
Sierra Safety Plus Package
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
(1 selected)
New
(41)
Used
(42)
Manufacturer Certified
(5)
Third-Party Certified
(2)
Certified Program
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New
(41)
Used
(42)
Manufacturer Certified
(5)
Third-Party Certified
(2)
Certified Program
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Truck Cab Size
Crew Cab
(40)
Extended Cab
(2)
Regular Cab
(0)
Crew Cab
(40)
Extended Cab
(2)
Regular Cab
(0)
Truck Bed Length
Short
(35)
Medium
(7)
Long
(0)
Include unspecified lengths
(0)
Short
(35)
Medium
(7)
Long
(0)
Include unspecified lengths
(0)
Vehicle History
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Fuel Economy
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Transmission
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Cylinders
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Engine Displacement
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Number of Seats
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Purchase Options
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Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package
33,719
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CarBravo Certified
2026 GMC Sierra 1500
SLT
19K mi
46,199
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Great Price
Dealer Fees Included
No Accidents
Used
2025 GMC Sierra 1500
SLT
33K mi
41,486
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Great Price
Dealer Fees Included
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CarBravo Certified
2024 GMC Sierra 1500
SLT
30K mi
45,486
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Dealer Fees Included
No Accidents
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Used
2026 GMC Sierra 1500
SLT
2K mi
48,744
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CarBravo Certified
2026 GMC Sierra 1500
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58,804
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2022 GMC Sierra 1500
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CarBravo Certified
2024 GMC Sierra 1500
SLT
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2025 GMC Sierra 1500
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42,717
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Used
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37,433
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Newly Listed
Used
2020 GMC Sierra 1500
SLT
81K mi
34,288
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Dealer Fees Included
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Used
2018 GMC Sierra 1500
SLT
64K mi
31,600
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Great Price
Dealer Fees Included
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CarBravo Certified
2026 GMC Sierra 1500
SLT
19K mi
46,199
See payment
Great Price
Dealer Fees Included
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Used
2023 GMC Sierra 1500
SLT
39K mi
48,488
See payment
Dealer Fees Included
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Price Drop
Used
2021 GMC Sierra 1500
SLT
67K mi
35,300
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Dealer Fees Included
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360°
Used
2026 GMC Sierra 1500
SLT
4K mi
55,775
See payment
No Accidents
CarBravo Certified
2026 GMC Sierra 1500
SLT
15K mi
47,543
See payment
Great Price
Dealer Fees Included
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Used
2019 GMC Sierra 1500
SLT
96K mi
Mileage Value
32,535
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Good Price
Dealer Fees Included
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Used
2025 GMC Sierra 1500
SLT
42K mi
37,767
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Great Price
Dealer Fees Included
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Used
2025 GMC Sierra 1500
SLT
55K mi
40,767
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Ford Blue Certified
2023 GMC Sierra 1500
SLT
41K mi
44,100
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Great Price
Dealer Fees Included
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360°
Used
2019 GMC Sierra 1500
SLT
94K mi
32,275
See payment
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Used
2025 GMC Sierra 1500
SLT
33K mi
41,486
See payment
Great Price
Dealer Fees Included
No Accidents
Used
2025 GMC Sierra 1500
SLT
38K mi
49,085
See payment
Dealer Fees Included
No Accidents
Used
2025 GMC Sierra 1500
SLT
44K mi
54,085
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