Used GMC Sierra 1500 SLT for Sale nearSan Marcos, CA
252 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 420 hp 6.2L V8
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 74,788
- Stock #:
- 383852
- VIN:
- 3GTU9DELXLG383852
Sponsored by CBM Motors
2020 GMC Sierra 1500
SLT Crew Cab 4WD
74,788 mi
El Cajon, CA
27 mi away
Fair Deal
$37,080
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 83,566
- Stock #:
- BP609148
- VIN:
- 3GTU2NEC6JG609148
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
83,566 mi
Carlsbad, CA
9 mi away
Good Deal
$27,970
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,725
- Stock #:
- JG237328
- VIN:
- 3GTU2NECXJG237328
New arrival
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
57,725 mi
Irvine, CA
48 mi away
Good Deal
$32,398
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 83,566
- Stock #:
- BP609148
- VIN:
- 3GTU2NEC6JG609148
2018 GMC Sierra 1500
SLT Crew Cab 4WD
83,566 mi
Carlsbad, CA
9 mi away
Good Deal
$27,970
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Cayenne Red Tintcoat
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 41,472
- Stock #:
- T30860
- VIN:
- 3GTUUDED0NG529217
New arrival
2022 GMC Sierra 1500
SLT Crew Cab 4WD
41,472 mi
Hemet, CA
42 mi away
Good Deal
$41,000
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,928
- Stock #:
- 103216
- VIN:
- 3GTU2NEC9JG103216
2018 GMC Sierra 1500
SLT Crew Cab 4WD
89,928 mi
Home delivery from Frederick, CO
Price includes $828 shipping
Fair Deal
$28,934
- Year:
- 2020
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 42,930
- Stock #:
- 331087
- VIN:
- 3GTU9DED0LG331087
2020 GMC Sierra 1500
SLT Crew Cab 4WD
42,930 mi
Home delivery from Frederick, CO
Price includes $828 shipping
Good Deal
$38,654
- Year:
- 2026
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 7,022
- Stock #:
- 29047779
- VIN:
- 1GTUUDEDXTZ111535
2026 GMC Sierra 1500
SLT Crew Cab 4WD
7,022 mi
El Cajon, CA
26 mi away
Fair Deal
$51,998
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Summit White
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 126,129
- Stock #:
- 22020
- VIN:
- 1GTU9DED3KZ213081
2019 GMC Sierra 1500
SLT Crew Cab 4WD
126,129 mi
Home delivery from Downers Grove, IL
Price includes $1,696 shipping
Fair Deal
$29,608
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,725
- Stock #:
- JG237328
- VIN:
- 3GTU2NECXJG237328
New arrival
2018 GMC Sierra 1500
SLT Crew Cab 4WD
57,725 mi
Irvine, CA
48 mi away
Good Deal
$32,398
- Year:
- 2023
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 3L I6 Diesel
- Exterior color:
- Onyx Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 30,105
- Stock #:
- 62622
- VIN:
- 3GTUUDE80PG150837
2023 GMC Sierra 1500
SLT Crew Cab 4WD
30,105 mi
Home delivery from Fontana, CA
Price includes $136 shipping
Good Deal
$45,216
- Year:
- 2021
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 86,858
- Stock #:
- MG200916
- VIN:
- 3GTU9DED3MG200916
2021 GMC Sierra 1500
SLT Crew Cab 4WD
86,858 mi
Home delivery from Dallas, TX
Price includes $1,174 shipping
Fair Deal
$35,394
- Year:
- 2015
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 84,392
- Stock #:
- 35
- VIN:
- 3GTP1VEC8FG146503
2015 GMC Sierra 1500
SLT Crew Cab
84,392 mi
El Cajon, CA
27 mi away
Fair Deal
$25,142
- Year:
- 2017
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Crimson Red Tintcoat
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 119,792
- Stock #:
- HG328057
- VIN:
- 3GTP1NEC8HG328057
2017 GMC Sierra 1500
SLT Crew Cab
119,792 mi
Carlsbad, CA
9 mi away
Great Deal
$18,990
- Year:
- 2024
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Walnut/Slate
- Transmission:
- Automatic
- Mileage:
- 86,988
- Stock #:
- 3564
- VIN:
- 1GTUUDED8RZ292675
2024 GMC Sierra 1500
SLT Crew Cab 4WD
86,988 mi
Home delivery from Sunnyside, WA
Price includes $1,165 shipping
Good Deal
$37,485
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Dark Ash Seats With Jet Black Interior Accents, Pe
- Transmission:
- Automatic
- Mileage:
- 69,985
- Stock #:
- B07081
- VIN:
- 3GTU2NEC0JG401802
Price drop
-$860
2018 GMC Sierra 1500
SLT Crew Cab 4WD
69,985 mi
Home delivery from Anaheim, CA
Price includes $94 shipping
Great Deal
$30,211
$29,351
- Year:
- 2022
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Titanium Rush Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 55,987
- Stock #:
- 643165
- VIN:
- 3GTUUDED7NG643165
2022 GMC Sierra 1500
SLT Crew Cab 4WD
55,987 mi
El Cajon, CA
26 mi away
Good Deal
$40,080
- Year:
- 2019
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 18 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 127,091
- Stock #:
- MC104358
- VIN:
- 3GTU9DED1KG202550
2019 GMC Sierra 1500
SLT Crew Cab 4WD
127,091 mi
Temecula, CA
25 mi away
Great Deal
$26,998
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Sterling Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 50,202
- Stock #:
- MMD13854
- VIN:
- 3GTUUDEDXSG248991
2025 GMC Sierra 1500
SLT Crew Cab 4WD
50,202 mi
San Diego, CA
26 mi away
Good Deal
$40,084
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 75,226
- Stock #:
- JG344161T
- VIN:
- 3GTU2NEC9JG344161
2018 GMC Sierra 1500
SLT Crew Cab 4WD
75,226 mi
National City, CA
34 mi away
Fair Deal
$30,473
- Year:
- 2025
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Onyx Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 48,247
- Stock #:
- T3211U
- VIN:
- 1GTUUDED4SZ261915
2025 GMC Sierra 1500
SLT Crew Cab 4WD
48,247 mi
San Diego, CA
24 mi away
Fair Deal
$41,073
- Year:
- 2015
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- 4X2
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic Overdrive
- Mileage:
- 96,883
- Stock #:
- X26N0817OL002
- VIN:
- 3GTU1VEC9FG331226
New arrival
2015 GMC Sierra 1500
SLT Crew Cab
96,883 mi
Escondido, CA
5 mi away
Fair Deal
$24,938
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 112,605
- Stock #:
- S6873C
- VIN:
- 3GTU2NEC6JG371608
2018 GMC Sierra 1500
SLT Crew Cab 4WD
112,605 mi
Home delivery from Nebraska City, NE
Price includes $1,843 shipping
Fair Deal
$27,743
- Year:
- 2018
- Make:
- GMC
- Model:
- Sierra 1500
- Body type:
- Pickup Truck
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 355 hp 5.3L V8
- Exterior color:
- Dark Slate Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Spice Red All-Terrain
- Transmission:
- 8-Speed Automatic Overdrive
- Mileage:
- 75,226
- Stock #:
- JG344161T
- VIN:
- 3GTU2NEC9JG344161
Sponsored Listing
2018 GMC Sierra 1500
SLT Crew Cab 4WD
75,226 mi
National City, CA
34 mi away
Fair Deal
$30,473
FAQs
How much does the GMC Sierra 1500 SLT cost in San Marcos, CA?
The average GMC Sierra 1500 SLT costs about $11,688.32. The average price has increased by 3.4% since last year. The 252 for sale near San Marcos, CA on CarGurus, range from $12,392 to $73,522 in price.
How many GMC Sierra 1500 SLT vehicles in San Marcos, CA have no reported accidents or damage?
226 out of 252 for sale near San Marcos, CA have no reported accidents or damage.
What is the fuel economy of the GMC Sierra 1500 SLT?
Depending on the engine and options, the GMC Sierra 1500 SLT gets between 16 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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