CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used GMC Sierra 1500 SLT for Sale near O Fallon, MO

491 results
O Fallon, MO
2024 GMC Sierra 1500 SLT Crew Cab 4WD Dave Sinclair Buick GMC

2024 GMC Sierra 1500

SLT Crew Cab 4WD

46,829 miles

$42,767

Good Deal
Saint Louis, MO
30 mi away
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:
White Frost Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate Leather
Transmission:
Automatic
Mileage:
46,829
Stock number:
T260481A
VIN:
3GTUUDED1RG305380

Sponsored

2021 GMC Sierra 1500 SLT Crew Cab 4WD

2021 GMC Sierra 1500

SLT Crew Cab 4WD

115,421 miles

$29,900

Fair Deal
O'Fallon, MO
8 mi away
Year:
2021
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
277 hp 3L I6 Diesel
Exterior color:
Gray (Satin Steel Metallic)
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
115,421
Stock number:
G26038B
VIN:
3GTU9DETXMG422800

Sponsored

2023 GMC Sierra 1500 SLT Crew Cab 4WD

2023 GMC Sierra 1500

SLT Crew Cab 4WD

56,625 miles

$40,515

Good Deal
Saint Peters, MO
6 mi away
Year:
2023
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:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
56,625
Stock number:
U6863
VIN:
3GTUUDED8PG255395

Sponsored

2018 GMC Sierra 1500 SLT Crew Cab 4WD

2018 GMC Sierra 1500

SLT Crew Cab 4WD

128,142 miles

$20,997

Great Deal
Chesterfield, MO
13 mi away
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:
Black
Transmission:
Automatic
Mileage:
128,142
Stock number:
CJG549501
VIN:
3GTU2NEC2JG549501

2019 GMC Sierra 1500 SLT Crew Cab 4WD

2019 GMC Sierra 1500

SLT Crew Cab 4WD

68,810 miles

$33,289

Good Deal
O'Fallon, IL
45 mi away
Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Summit White
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
68,810
Stock number:
16442P
VIN:
3GTU9DELXKG111977

Preparing for a close up...

Photos coming soon

2016 GMC Sierra 1500

SLT Crew Cab 4WD

133,398 miles

$21,000

Fair Deal
Saint Louis, MO
19 mi away
Year:
2016
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:
Jet Black/Spice Red All-Terrain
Transmission:
8-Speed Automatic Overdrive
Mileage:
133,398
Stock number:
TL321685A
VIN:
3GTU2NEC8GG273382

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

SLT Crew Cab 4WD

128,985 miles

$25,983

Good Deal
Saint Louis, MO
17 mi away
Year:
2019
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
420 hp 6.2L V8
Exterior color:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
128,985
Stock number:
35103A
VIN:
3GTU9DEL3KG246590

Preparing for a close up...

Photos coming soon

2018 GMC Sierra 1500

SLT Crew Cab 4WD

98,721 miles

$28,777

Fair Deal
Washington, MO
30 mi away
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:
Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
8-Speed Automatic
Mileage:
98,721
Stock number:
25106
VIN:
3GTU2NEC8JG208118

Preparing for a close up...

Photos coming soon

2019 GMC Sierra 1500

SLT Crew Cab 4WD

104,115 miles

$27,800

Great Deal
Ellisville, MO
19 mi away
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:
Onyx Black
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
104,115
Stock number:
86426A
VIN:
3GTU9DED8KG137938

Preparing for a close up...

Photos coming soon

2020 GMC Sierra 1500

SLT Crew Cab 4WD

44,355 miles

$36,706

Good Deal
Saint Louis, MO
30 mi away
Year:
2020
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior color:
Pacific Blue Metallic
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate Leather
Transmission:
Automatic
Mileage:
44,355
Stock number:
T260457A
VIN:
3GTU9DED8LG401774

Preparing for a close up...

Photos coming soon

2024 GMC Sierra 1500

SLT Crew Cab 4WD

46,829 miles

$42,767

Good Deal
Saint Louis, MO
30 mi away
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:
White Frost Tricoat
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Dark Walnut/Slate Leather
Transmission:
Automatic
Mileage:
46,829
Stock number:
T260481A
VIN:
3GTUUDED1RG305380

Preparing for a close up...

Photos coming soon

2018 GMC Sierra 1500

SLT Crew Cab 4WD

174,822 miles

$18,907

Fair Deal
Saint Louis, MO
27 mi away
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:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
8-Speed Automatic Overdrive
Mileage:
174,822
Stock number:
T26034D
VIN:
3GTU2NEC3JG519035

Preparing for a close up...

Photos coming soon

2023 GMC Sierra 1500

SLT Crew Cab 4WD

38,605 miles

$45,170

Fair Deal
Saint Peters, MO
7 mi away
Year:
2023
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
White
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
38,605
Stock number:
C14931P
VIN:
3GTUUDE85PG276479

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 1500
  4. / SLT
  5. / Missouri
  6. / O Fallon
  • GMC Sierra 1500 SLT in O Fallon MO

  • GMC Sierra 1500 Denali in O Fallon MO

  • GMC Sierra 1500 AT4 in O Fallon MO

  • GMC Sierra 1500 Elevation in O Fallon MO

  • GMC Sierra 1500 SLE in O Fallon MO

  • GMC Sierra 1500 Base in O Fallon MO

  • GMC Sierra 1500 Work Truck in O Fallon MO

  • GMC Sierra 1500 SLE1 in O Fallon MO

  • GMC Sierra 1500 SL in O Fallon MO

  • GMC Sierra 1500 SLE2 in O Fallon MO

  • GMC Sierra 1500 in Saint Louis MO

  • GMC Sierra 1500 in Jefferson City MO

  • GMC Sierra 1500 in Rolla MO

  • GMC Sierra 1500 in Quincy IL

  • GMC Sierra 1500 in Columbia MO

  • GMC Sierra 1500 in Springfield IL

  • GMC Sierra 1500 in Carbondale IL

  • GMC Sierra 1500 in Decatur IL

  • GMC Sierra 1500 in Cape Girardeau MO

  • GMC Sierra 1500 in O Fallon MO

  • OBS 1990s-era Chevy and Ford Trucks for Sale in O Fallon MO

  • Used GMC Electric Cars for Sale

  • Lifted GMC trucks for sale in O Fallon MO

  • Work Trucks for Sale in O Fallon MO

  • American Made Trucks For Sale in O Fallon MO

  • GM Certified Preowned Vehicles for Sale Near O Fallon MO

  • Best Pickup Trucks For Sale in O Fallon MO

  • 2019 GMC Sierra 1500 SLT in O Fallon MO

  • 2018 GMC Sierra 1500 SLT in O Fallon MO

  • 2017 GMC Sierra 1500 SLT in O Fallon MO

  • 2016 GMC Sierra 1500 SLT in O Fallon MO

  • 2015 GMC Sierra 1500 SLT in O Fallon MO

  • 2014 GMC Sierra 1500 SLT in O Fallon MO

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage

  • Used SUVs / Crossovers for Sale with Low Mileage

  • Used Hatchbacks for Sale with Low Mileage

  • Used Convertibles for Sale with Low Mileage

  • Used Vans for Sale with Low Mileage

  • Used Minivans for Sale with Low Mileage

  • Used Pickup Trucks for Sale with Low Mileage

  • Used Coupes for Sale with Low Mileage

  • Used Wagons for Sale with Low Mileage

  • Bommarito Buick GMC West County

  • Dave Sinclair Buick GMC

  • O'Fallon Buick GMC

  • Modern Auto Company

  • Behlmann Buick GMC

  • Quality Buick GMC Cadillac

  • Laura Buick GMC

  • Laura Chevrolet Buick GMC of Sullivan

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.