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

277 results

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:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black Leather
Transmission:
Automatic
Mileage:
1
Stock #:
T261380
VIN:
3GTUUDED8TG365955
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Dave Sinclair Buick GMC

Sponsored by Dave Sinclair Buick GMC

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Saint Louis, MO
30 mi away

New car

$53,725

Year:
2026
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:
Black
Transmission:
Automatic
Mileage:
3
Stock #:
53827
VIN:
3GTUUDEL7TG326118
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Saint Peters, MO
8 mi away

New car

MSRP $71,165

$63,415

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:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Stock #:
G26730
VIN:
3GTUUDED3TG353955
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

O'Fallon, MO
8 mi away

New car

MSRP $68,065

$57,948

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior color:
Sterling Metallic
Combined gas mileage:
24 MPG
Fuel type:
Diesel
Interior color:
Black
Transmission:
Automatic
Mileage:
1
Stock #:
53889
VIN:
3GTUUDE87TG396889
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Saint Peters, MO
8 mi away

New car

MSRP $69,270

$62,520

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:
Sterling Metallic
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
7
Stock #:
L266430
VIN:
3GTUUDED0TG354397
Sterling Metallic 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

Collinsville, IL
39 mi away

New car

MSRP $68,385

$54,913

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:
Onyx Black
Combined gas mileage:
17 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Stock #:
G26719
VIN:
3GTUUDED3TG353776
Onyx Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

SLT Crew Cab 4WD

New car

O'Fallon, MO
8 mi away

New car

MSRP $68,065

$57,948

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FAQs

What is the fuel economy of the GMC Sierra 1500 SLT?
Depending on the engine and options, the GMC Sierra 1500 SLT gets between 14 and 24 MPG (or EV battery range).
What fuel types are available?
Diesel, Flex Fuel Vehicle, Gasoline engines are available.

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