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GMC
Sierra 1500
SLT
GMC Sierra 1500 SLT for Sale in Milwaukee, WI
53203
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X31 Off-Road and Protection Package
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All Terrain X Package
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Vortex Max Performance Pack
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Driver Alert Package I
(3)
LPO, Protection Package
(1)
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
(1)
Vortecmax Performance Pack
All-Terrain Package
(1)
Mocha Steel Metallic Edition
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(1)
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
(10)
Max Trailering Pack
SLT Preferred Equipment Group
Suspension Package, Off-Road"
Sierra Safety Plus Package
(1)
Add Another Make
GMC
Models
Sierra 1500
Acadia
(198)
Caballero
Canyon
(85)
Envoy
(1)
Envoy XL
Envoy XUV
G1500
G2500
G3500
Hummer EV
(23)
Jimmy
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
Savana 2500
(30)
Savana 3500
(45)
Savana 4500
(1)
Sierra 1500
(684)
Sierra 2500
(183)
Sierra 3500
(94)
Sierra EV
(18)
Sonoma
Suburban
(1)
Syclone
Terrain
(177)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(104)
Yukon XL
(88)
Sierra 1500 Trims
SLT
AT4
(85)
AT4X
(30)
C3
Carrera GTS
Classic
Classic Denali
Denali
(97)
Denali Ultimate
(42)
Elevation
(215)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(48)
SL
SLE
(42)
SLT
(123)
Special
Sport
W/T
XFE
SLT Package
Any
SLT Premium Plus Package
(53)
Laser Blue Metallic Special Edition
Black Pack
SLT Crew Cab Premium Plus Package
(6)
SLT Preferred Package
(20)
Onstar Plus Package
Professional Package
Off-Road Package
Sierra Performance Edition
Sun And Navigation Package
SLE Value Package
LPO, Deluxe Chrome Package
SLT Convenience Package
(5)
Max Trailering Package
(10)
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
(1)
Texas Edition SLT Premium Package
Texas SLT Premium Package
(1)
LPO, Chrome Appearance Package
SLT Eassist Package
Enhanced Driver Alert Package
(3)
LPO, GMC Interior Protection Package
All Terrain SLT Premium Package
(2)
Driver Alert Package II
(2)
LPO, Underbody Shield Package, Transfer Case Protection
X31 Off-Road and Protection Package
(35)
Light Duty Power Package
EZ-Lift Tailgate Package
(1)
Sierra Fleet Convenience Package
Entertainment Package, Rear Seat DVD/Blu-Ray Player
LPO, Performance Upgrade Package
X31 Off-Road Package
(14)
SLT Crew Cab Value Package
(1)
LPO, Under Body Shield Package, Transfer Case Protection
SLT White Diamond Edition
White Diamond Edition
Limited Appearance Package
LPO, Black Badging Package
(4)
Laser Blue Special Edition
Suspension Package, Off-Road
(12)
SLT Premium Package
(26)
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
(3)
LPO, Protection Package
(1)
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
(1)
Vortecmax Performance Pack
All-Terrain Package
(1)
Mocha Steel Metallic Edition
Technology Package
(1)
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
(10)
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
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(60)
Used
(63)
Manufacturer Certified
(7)
Third-Party Certified
(3)
Certified Program Details
New
(60)
Used
(63)
Manufacturer Certified
(7)
Third-Party Certified
(3)
Certified Program Details
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Crew Cab
(14)
Extended Cab
(1)
Regular Cab
(0)
Crew Cab
(14)
Extended Cab
(1)
Regular Cab
(0)
Truck Bed Length
Short
(103)
Medium
(18)
Long
(0)
Include unspecified lengths
(2)
Short
(103)
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(18)
Long
(0)
Include unspecified lengths
(2)
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123 Matches
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Used
2020 GMC Sierra 1500
SLT
38K mi
42,999
See payment
Great Price
No Accidents
Used
2026 GMC Sierra 1500
SLT
1K mi
55,832
See payment
Good Price
No Accidents
Price Drop
Used
2020 GMC Sierra 1500
SLT
67K mi
30,955
See payment
Great Price
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Credit Rating
Excellent (740-900)
Credit Rating
Excellent (740-900)
Very Good (700-739)
Good (670-699)
Fair (630-669)
Rebuilding (580-629)
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Based on 4.5% APR for mos.
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Search Available Cars
Newly Listed
Used
2020 GMC Sierra 1500
SLT
72K mi
34,999
See payment
Great Price
No Accidents
Newly Listed
Used
2024 GMC Sierra 1500
SLT
25K mi
52,995
See payment
Good Price
No Accidents
Newly Listed
Consider New, Similar Payment
2026 GMC Sierra 1500
SLT
2 mi
57,088
Used
2022 GMC Sierra 1500
SLT
24K mi
41,999
See payment
Great Price
No Accidents
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
2025 GMC Sierra 1500
SLT
8K mi
48,788
See payment
Great Price
Newly Listed
Used
2019 GMC Sierra 1500
SLT
126K mi
27,999
See payment
Great Price
Used
2024 GMC Sierra 1500
SLT
59K mi
43,218
See payment
Good Price
No Accidents
Used
2021 GMC Sierra 1500
SLT
39K mi
40,976
See payment
Great Price
No Accidents
Used
2019 GMC Sierra 1500
SLT
25K mi
36,319
See payment
Great Price
No Accidents
Used
2019 GMC Sierra 1500
SLT
80K mi
33,179
See payment
Great Price
Used
2020 GMC Sierra 1500
SLT
70K mi
35,862
See payment
Great Price
No Accidents
Ford Blue Certified
2019 GMC Sierra 1500
SLT
53K mi
35,429
See payment
Great Price
No Accidents
Price Drop
Used
2023 GMC Sierra 1500
SLT
101K mi
39,499
See payment
Good Price
No Accidents
Price Drop
CarBravo Certified
2020 GMC Sierra 1500
SLT
92K mi
33,551
See payment
No Accidents
Used
2019 GMC Sierra 1500
SLT
78K mi
33,699
See payment
Great Price
No Accidents
Price Drop
Used
2023 GMC Sierra 1500
SLT
24K mi
43,865
See payment
No Accidents
Price Drop
CarBravo Certified
2018 GMC Sierra 1500
SLT
83K mi
30,000
See payment
Great Price
High Demand
Used
2016 GMC Sierra 1500
SLT
128K mi
24,990
See payment
Price Drop
Used
2017 GMC Sierra 1500
SLT
88K mi
26,876
See payment
Great Price
No Accidents
Used
2025 GMC Sierra 1500
SLT
48K mi
42,371
See payment
Great Price
No Accidents
Used
2024 GMC Sierra 1500
SLT
36K mi
47,095
See payment
Great Price
No Accidents
Price Drop
Used
2020 GMC Sierra 1500
SLT
66K mi
32,500
See payment
No Accidents
Used
2020 GMC Sierra 1500
SLT
118K mi
31,490
See payment
Good Price
No Accidents
Used
2016 GMC Sierra 1500
SLT
178K mi
17,000
See payment
Good Price
No Accidents
Used
2022 GMC Sierra 1500
SLT
75K mi
38,951
See payment
Good Price
No Accidents
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