GMC Trucks & SUVs From Castle's GMC Stores
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2026 GMC Sierra 2500HD AT4
Your Price
$80,344
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
$8,183
Buick & GMC Consumer Cash Program
$1,000
GMC Bonus Cash
$2,000
Illinois Doc Fee
$378
Your Price
$80,344
Your Price
$80,344
MSRP
$91,149
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2026 GMC Sierra 2500HD AT4
Your Price
$80,344
MSRP
$91,149
Location:
Castle Chevrolet GMC McHenry
Customize Deal
View Details
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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
$8,183
Buick & GMC Consumer Cash Program
$1,000
GMC Bonus Cash
$2,000
Illinois Doc Fee
$378
Your Price
$80,344
Your Price
$80,344
MSRP
$91,149
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2026 GMC Sierra 3500HD AT4
Your Price
$81,714
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
$8,013
Buick & GMC Consumer Cash Program
$1,000
GMC Bonus Cash
$2,000
Illinois Doc Fee
$378
Your Price
$81,714
Your Price
$81,714
MSRP
$92,349
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2026 GMC Sierra 3500HD AT4
Your Price
$81,708
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
$8,019
Buick & GMC Consumer Cash Program
$1,000
GMC Bonus Cash
$2,000
Illinois Doc Fee
$378
Your Price
$81,708
Your Price
$81,708
MSRP
$92,349
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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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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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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 2500HD AT4X
Your Price
$82,722
MSRP
$90,129
Location:
Castle Buick GMC
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vin
1GT4UZE73TF405755
Stock #
B26751
Model Code
#TK20743
Exterior
Onyx Black
Interior
Obsidian Rush
Drivetrain
4WD
Engine
Gas V8 6.6L/
Transmission
Automatic
MSRP
$90,129
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Dealer Discount
$7,820
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$82,722
Your Price
$82,722
MSRP
$90,129
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2027 GMC Terrain AWD Elevation
Your Price
$39,195
MSRP
$40,975
Location:
Castle Buick GMC
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vin
3GKALUEG5VL130069
Stock #
B27026
Model Code
#TPB26
Exterior
Summit White
Interior
After Dark
Drivetrain
AWD
Engine
Turbocharged Gas I4 1.5L/-TBD-
Transmission
Automatic
MSRP
$40,975
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Dealer Discount
$1,693
GMC GMF Bonus Cash Program
$500
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$39,195
Your Price
$39,195
MSRP
$40,975
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2026 GMC Sierra 2500HD AT4
Your Price
$72,174
MSRP
$79,924
Location:
Castle Buick GMC
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vin
1GT4UPE70TF405541
Stock #
B26756
Model Code
#TK20743
Exterior
Summit White
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Gas V8 6.6L/
Transmission
Automatic
MSRP
$79,924
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Dealer Discount
$8,163
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$72,174
Your Price
$72,174
MSRP
$79,924
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2026 GMC Sierra 3500HD Denali Ultimate
Your Price
$92,689
MSRP
$102,749
Location:
Castle Buick GMC
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vin
1GT4UYEY1TF407944
Stock #
B26754
Model Code
#TK30943
Exterior
Onyx Black
Interior
Alpine Umber
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$102,749
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Dealer Discount
$8,473
GMC Bonus Cash
$2,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$92,689
Your Price
$92,689
MSRP
$102,749
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2027 GMC Terrain FWD Elevation
Your Price
$34,424
MSRP
$35,430
Location:
Castle Buick GMC
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vin
3GKAKMEG4VL197846
Stock #
B27027
Model Code
#TPB26
Exterior
Ebony Twilight Metallic
Interior
After Dark
Drivetrain
FWD
Engine
Turbocharged Gas I4 1.5L/-TBD-
Transmission
Automatic
MSRP
$35,430
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Dealer Discount
$919
GMC GMF Bonus Cash Program
$500
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$34,424
Your Price
$34,424
MSRP
$35,430
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