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.

36 records matched your criteria. Records 1 - 21 shown below.

2025 GMC Sierra 2500HD SLT

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

- NEW -

26 pictures

Exterior : Titanium Rush Metallic - Gray

Interior : Dark Walnut/Slate Leather

Mileage : 7

Transmission : Automatic

Engine : 6.6L

Drive Type : Rear Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : HT250368
VIN : 1GT4HNEY2SF173444

City :

Hwy :

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2025 GMC Sierra 2500HD Denali Ultimate

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

- NEW -

26 pictures

Exterior : Summit White - White

Interior : Alpine Umber Leather

Mileage : 6

Transmission : Automatic

Engine : Duramax 6.6L Turbo-Diesel V8 / B20-Diesel compatible

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

Stock : T250650
VIN : 1GT4UXEY6SF209160

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2025 GMC Sierra 2500HD 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 Turbocharged

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

Stock : HT250770
VIN : 1GT4UREY3SF218202

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2025 GMC Sierra 2500HD Pro

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

- NEW -

23 pictures

Exterior : Summit White - White

Interior : Jet Black Cloth

Mileage : 5

Transmission : Automatic

Engine : 6.6L V8

Drive Type : Rear Wheel Drive

Horsepower : 401 @ 5200 rpm

Cylinders : 8

Fuel : Gasoline

Stock : T251420
VIN : 1GT0HLE78SF287717

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2025 GMC Sierra 2500HD AT4

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

- NEW -

26 pictures

Exterior : Summit White - White

Interior : Jet Black with Kalahari accent

Mileage : 5

Transmission : Automatic

Engine : 6.6L Turbocharged

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

Stock : T251567
VIN : 1GT4UPEY8SF334001

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2025 GMC Sierra 2500HD Denali

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

- NEW -

26 pictures

Exterior : Summit White - White

Interior : Atmosphere/Brownstone 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 : T251642
VIN : 1GT4UREY5SF345629

City :

Hwy :

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2026 GMC Sierra 2500HD Denali Ultimate

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

- NEW -

26 pictures

Exterior : Summit White - White

Interior : Alpine Umber Leather

Mileage : 5

Transmission : Automatic

Engine : Duramax 6.6L Turbo-Diesel V8 / B20-Diesel compatible

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T260077
VIN : 1GT4UXEY4TF104070

City :

Hwy :

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2026 GMC Sierra 2500HD Denali Ultimate

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

- NEW -

Exterior : Titanium Rush Metallic - (Gray)

Interior : Alpine Umber

Mileage : 49

Transmission : Automatic

Engine : Duramax 6.6L Turbo-Diesel V8 / B20-Diesel compatible

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : LT260078
VIN : 1GT4UXEY7TF103947

City :

Hwy :

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2026 GMC Sierra 2500HD Denali Ultimate

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

- NEW -

26 pictures

Exterior : Glacier White Tricoat - White

Interior : Alpine Umber Leather

Mileage : 5

Transmission : Automatic

Engine : Duramax 6.6L Turbo-Diesel V8 / B20-Diesel compatible

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T260365
VIN : 1GT4UXEY6TF137703

City :

Hwy :

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2026 GMC Sierra 2500HD Denali Ultimate

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

- NEW -

Exterior : Onyx Black - Black

Interior : Alpine Umber Leather

Mileage : 6

Transmission : Automatic

Engine : Duramax 6.6L Turbo-Diesel V8 / B20-Diesel compatible

Drive Type : Four Wheel Drive

Horsepower : 470 @ 2800 rpm

Cylinders : 8

Fuel : Diesel Fuel

MPG : City / HWY

Stock : T260364
VIN : 1GT4UXEY2TF137732

City :

Hwy :

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2026 GMC Sierra 2500HD AT4

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

- NEW -

26 pictures

Exterior : Summit White - White

Interior : Jet Black with Kalahari accents 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 : T260384
VIN : 1GT4UPEY8TF139078

City :

Hwy :

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2026 GMC Sierra 2500HD AT4

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

- NEW -

Exterior : Onyx Black - (Black)

Interior : Jet Black With Kalahari Accents

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 : T260417
VIN : 1GT4UPEY0TF139124

City :

Hwy :

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2026 GMC Sierra 2500HD AT4

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

- NEW -

Exterior : Onyx Black - (Black)

Interior : Jet Black With Kalahari Accents

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 : T260419
VIN : 1GT4UPEY7TF139122

City :

Hwy :

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2026 GMC Sierra 2500HD AT4

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

- NEW -

Exterior : Sterling Metallic - (Gray)

Interior : Jet Black With Kalahari Accents

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 : T260418
VIN : 1GT4UPEY0TF139138

City :

Hwy :

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2026 GMC Sierra 2500HD Denali

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

- NEW -

Exterior : Glacier White Tricoat - (White)

Interior : Black

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 : T260422
VIN : 1GT4UREY6TF142573

City :

Hwy :

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2026 GMC Sierra 2500HD Denali

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

- NEW -

Exterior : Glacier White Tricoat - (White)

Interior : Jet Black

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 : T260430
VIN : 1GT4UREY6TF143934

City :

Hwy :

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2026 GMC Sierra 2500HD SLT

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

- NEW -

Exterior : Sterling Metallic - (Gray)

Interior : Jet Black

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 : T260427
VIN : 1GT4UNEY1TF143882

City :

Hwy :

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2026 GMC Sierra 2500HD 4WD Crew Cab Denali

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

- NEW -

Exterior : Glacier White Tricoat - White

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 : T260431
VIN : 1GT4UREY8TF143997

City :

Hwy :

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2026 GMC Sierra 2500HD SLT

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

- NEW -

Exterior : Summit White - (White)

Interior : Jet Black

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 : T260428
VIN : 1GT4UNEY9TF143919

City :

Hwy :

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2026 GMC Sierra 2500HD Denali

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

- NEW -

Exterior : Glacier White Tricoat - (White)

Interior : Jet Black

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 : T260429
VIN : 1GT4UREY1TF143954

City :

Hwy :

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2026 GMC Sierra 2500HD AT4X

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

- NEW -

Exterior : Onyx Black - (Black)

Interior : Obsidian Rush

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 : T260454
VIN : 1GT4UZEY6TF138569

City :

Hwy :

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