New and Used GMC Inventory
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2026 GMC Sierra 2500HD SLE
Your Price
$56,333
MSRP
$63,060
Location:
Castle Buick GMC
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vin
1GT5UME70TF372978
Stock #
B26747
Model Code
#TK20953
Exterior
Summit White
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 6.6L/
Transmission
Automatic
MSRP
$63,060
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Dealer Discount
$7,140
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$56,333
Your Price
$56,333
MSRP
$63,060
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2026 GMC Sierra 1500 Elevation
Your Price
$47,909
MSRP
$56,890
Location:
Castle Chevrolet GMC McHenry
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vin
3GTPUJEK2TG481081
Stock #
M260642
Model Code
#TK10543
Exterior
Sterling Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Gas I4 2.7L/
Transmission
Automatic
MSRP
$56,890
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Dealer Discount
$7,609
GMC Bonus Cash
$1,750
Illinois Doc Fee
$378
Your Price
$47,909
Your Price
$47,909
MSRP
$56,890
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2026 GMC Sierra 3500HD AT4
Your Price
$83,714
MSRP
$92,349
Location:
Castle Chevrolet GMC McHenry
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vin
1GT4UVEY6TF394008
Stock #
M260631
Model Code
#TK30943
Exterior
Sterling Metallic
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$92,349
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Dealer Discount
$9,013
Illinois Doc Fee
$378
Your Price
$83,714
Your Price
$83,714
MSRP
$92,349
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2026 GMC Sierra 2500HD AT4
Your Price
$82,344
MSRP
$91,149
Location:
Castle Chevrolet GMC McHenry
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vin
1GT4UPEY2TF386905
Stock #
M260613
Model Code
#TK20743
Exterior
Sterling Metallic
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$91,149
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Dealer Discount
$9,183
Illinois Doc Fee
$378
Your Price
$82,344
Your Price
$82,344
MSRP
$91,149
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2026 GMC Sierra 3500HD AT4
Your Price
$83,708
MSRP
$92,349
Location:
Castle Chevrolet GMC McHenry
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vin
1GT4UVEY9TF393998
Stock #
M260630
Model Code
#TK30743
Exterior
Onyx Black
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$92,349
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Dealer Discount
$9,019
Illinois Doc Fee
$378
Your Price
$83,708
Your Price
$83,708
MSRP
$92,349
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2026 GMC Sierra 2500HD AT4
Your Price
$82,344
MSRP
$91,149
Location:
Castle Chevrolet GMC McHenry
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vin
1GT4UPEY6TF386969
Stock #
M260614
Model Code
#TK20743
Exterior
Onyx Black
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$91,149
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Dealer Discount
$9,183
Illinois Doc Fee
$378
Your Price
$82,344
Your Price
$82,344
MSRP
$91,149
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2026 GMC Sierra 1500 SLT
Your Price
$57,839
MSRP
$67,955
Location:
Castle Chevrolet GMC McHenry
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vin
1GTUUDED3TZ508360
Stock #
M260637
Model Code
#TK10543
Exterior
Sterling Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 5.3L/
Transmission
Automatic
MSRP
$67,955
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Dealer Discount
$7,994
GMC Bonus Cash
$2,500
Illinois Doc Fee
$378
Your Price
$57,839
Your Price
$57,839
MSRP
$67,955
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2021 GMC Sierra 1500 SLT
Your Price
$35,912
MSRP
$35,499
Location:
Castle Subaru McHenry
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vin
1GTU9DED6MZ256896
Stock #
MS260360B
Model Code
#TK10543
Exterior
Dark Sky Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 5.3L/325
Transmission
Automatic
Mileage
73,177 Miles
Selling Price
$35,499
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Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$35,912
Your Price
$35,912
MSRP
$35,499
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2026 GMC Sierra 1500 SLT
Your Price
$57,839
MSRP
$67,955
Location:
Castle Chevrolet GMC McHenry
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vin
1GTUUDEDXTZ508405
Stock #
M260639
Model Code
#TK10543
Exterior
Sterling Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 5.3L/
Transmission
Automatic
MSRP
$67,955
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Dealer Discount
$7,994
GMC Bonus Cash
$2,500
Illinois Doc Fee
$378
Your Price
$57,839
Your Price
$57,839
MSRP
$67,955
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2026 GMC Sierra 1500 SLT
Your Price
$57,392
MSRP
$67,460
Location:
Castle Chevrolet GMC McHenry
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vin
1GTUUDED1TZ509281
Stock #
M260641
Model Code
#TK10543
Exterior
Summit White
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 5.3L/
Transmission
Automatic
MSRP
$67,460
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Dealer Discount
$7,946
GMC Bonus Cash
$2,500
Illinois Doc Fee
$378
Your Price
$57,392
Your Price
$57,392
MSRP
$67,460
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2024 GMC Acadia AWD Denali
Your Price
$43,992
MSRP
$43,579
Location:
Castle Cadillac McHenry
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vin
1GKENRKS2RJ172911
Stock #
M260509A
Model Code
#TLF56
Exterior
Sterling Metallic
Interior
After Dark
Drivetrain
AWD
Engine
Gas 2.5L/
Transmission
Automatic
Mileage
29,059 Miles
Selling Price
$43,579
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Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$43,992
Your Price
$43,992
MSRP
$43,579
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2018 GMC Sierra 1500 SLT
Your Price
$28,111
MSRP
$27,698
Location:
Castle Chevrolet of Villa Park
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vin
3GTU2NEC6JG587488
Stock #
V25434A
Model Code
#TK15543
Exterior
Quicksilver Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Gas V8 5.3L/325
Transmission
Automatic
Mileage
83,523 Miles
Selling Price
$27,698
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Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$28,111
Your Price
$28,111
MSRP
$27,698
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