New Cars For Sale - Dave Sinclair Auto Group

Search our huge selection of your favorite new vehicle brands. Then visit us today and take a test drive.

16 records matched your criteria.

2026 GMC Sierra 3500HD 4WD Crew Cab SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

27 pictures

Exterior : Summit White - White

Interior : Jet Black Leather

Mileage : 6

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T260795
VIN : 1GT4UUE77TF188293

City :

Hwy :

Price : $68,361Admin Fee : $619Sale Price : $68,980

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

26 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 5

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261398
VIN : 1GT4UWEY7TF292917

City :

Hwy :

Price : $83,551Admin Fee : $619Sale Price : $84,170

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

33 pictures

Exterior : Sterling Metallic - Gray

Interior : Dark Walnut/Slate Leather

Mileage : 5

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261404
VIN : 1GT4UUEY3TF293924

City :

Hwy :

Price : $76,572Admin Fee : $619Sale Price : $77,191

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

34 pictures

Exterior : Summit White - White

Interior : Dark Walnut/Slate Leather

Mileage : 7

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261405
VIN : 1GT4UUEY6TF294131

City :

Hwy :

Price : $76,121Admin Fee : $619Sale Price : $76,740

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

26 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 6

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261421
VIN : 1GT4UWEYXTF296685

City :

Hwy :

Price : $80,809Admin Fee : $619Sale Price : $81,428

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

26 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 6

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261474
VIN : 1GT4UWEY7TF296675

City :

Hwy :

Price : $80,809Admin Fee : $619Sale Price : $81,428

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 6

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261496
VIN : 1GT4UWEY7TF313927

City :

Hwy :

Price : $78,995Admin Fee : $619Sale Price : $79,614

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2026 GMC Sierra 3500HD SLE

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Sterling Metallic - Gray

Interior : Jet Black Cloth

Mileage : 8

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261512
VIN : 1GT5UTE79TF317245

City :

Hwy :

Price : $57,498Admin Fee : $619Sale Price : $58,117

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

26 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 5

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261556
VIN : 1GT4UWE77TF323283

City :

Hwy :

Price : $73,041Admin Fee : $619Sale Price : $73,660

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2026 GMC Sierra 3500HD Denali

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

26 pictures

Exterior : Onyx Black - Black

Interior : Jet Black Leather

Mileage : 5

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261619
VIN : 1GT4UWEY6TF336101

City :

Hwy :

Price : $84,862Admin Fee : $619Sale Price : $85,481

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Sterling Metallic - Gray

Interior : Jet Black Leather

Mileage : 2

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261639
VIN : 1GT4UUE7XTF339756

City :

Hwy :

Price : $65,348Admin Fee : $619Sale Price : $65,967

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Sterling Metallic - Gray

Interior : Jet Black Leather

Mileage : 1

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261641
VIN : 1GT4UUEY6TF340900

City :

Hwy :

Price : $70,584Admin Fee : $619Sale Price : $71,203

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Summit White - White

Interior : Jet Black Leather

Mileage : 1

Transmission : Automatic

Engine : 6.6L

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T261640
VIN : 1GT4UUEY6TF340167

City :

Hwy :

Price : $70,128Admin Fee : $619Sale Price : $70,747

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2026 GMC Sierra 3500HD SLT

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

25 pictures

Exterior : Sterling Metallic - Gray

Interior : Jet Black Leather

Mileage : 26

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261741
VIN : 1GT4UUE72TF339735

City :

Hwy :

Price : $65,348Admin Fee : $619Sale Price : $65,967

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2026 GMC Sierra 3500HD Pro

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

24 pictures

Exterior : Summit White - White

Interior : Jet Black Cloth

Mileage : 8

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261856
VIN : 1GT5USE78TF367788

City :

Hwy :

Price : $55,932Admin Fee : $619Sale Price : $56,551

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2026 GMC Sierra 3500HD SLE

Dave Sinclair Buick GMC NEW Cars
(314) 310-7283

- NEW -

Exterior : Summit White

Interior : Black

Mileage : 1

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Four Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

MPG : City / HWY

Stock : T261901
VIN : 1GT5UTE70TF395011

City :

Hwy :

Price : $59,477Admin Fee : $619Sale Price : $60,096

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