GMC Trucks & SUVs From Castle's GMC Stores

2026 GMC Sierra 1500 AT4

2026 GMC Sierra 1500 AT4

Location:
Castle Buick GMC
vin 
3GTUUEEL3TG282155
Stock #
B26493
Model Code
#TK10543
Exterior
Onyx Black
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Gas V8 6.2L/
Transmission
Automatic
MSRP
$75,650
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Dealer Discount $6,540
GMC Bonus Cash $1,500
GMC Bonus Cash $1,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$67,023
Your Price
$67,023
MSRP
$75,650
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2026 GMC Sierra 1500 AT4

2026 GMC Sierra 1500 AT4

Location:
Castle Buick GMC
vin 
3GTUUEEL4TG282147
Stock #
B26492
Model Code
#TK10543
Exterior
Onyx Black
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Gas V8 6.2L/
Transmission
Automatic
MSRP
$75,650
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Dealer Discount $6,629
GMC Bonus Cash $1,500
GMC Bonus Cash $1,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$66,934
Your Price
$66,934
MSRP
$75,650
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2026 GMC Savana Cargo Van Work Van

2026 GMC Savana Cargo Van Work

Location:
Castle Chevrolet GMC McHenry
vin 
1GTZ7HF77T1236231
Stock #
M260414
Model Code
#TG33705
Exterior
Summit White
Interior
Medium Pewter
Drivetrain
RWD
Engine
Gas V8 6.6L/
Transmission
Automatic
MSRP
$54,155
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Dealer Discount $5,515
Illinois Doc Fee
$378
Your Price
$49,018
Your Price
$49,018
MSRP
$54,155
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2026 GMC Sierra 1500 Pro

2026 GMC Sierra 1500 Pro

Location:
Castle Chevrolet GMC McHenry
vin 
3GTNUAEK1TG306604
Stock #
M260408
Model Code
#TK10703
Exterior
Onyx Black
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Gas I4 2.7L/
Transmission
Automatic
MSRP
$47,465
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Dealer Discount $5,800
GMC Bonus Cash $1,750
Illinois Doc Fee
$378
Your Price
$40,293
Your Price
$40,293
MSRP
$47,465
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2026 GMC Sierra 2500HD Denali

2026 GMC Sierra 2500HD Denali

Location:
Castle Chevrolet GMC McHenry
vin 
1GT4UREY0TF277936
Stock #
M260424
Model Code
#TK20743
Exterior
Onyx Black
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$91,434
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Dealer Discount $8,148
Buick & GMC Consumer Cash Program $1,500
GMC Bonus Cash $2,000
GMC Bonus Cash $2,000
Illinois Doc Fee
$378
Your Price
$78,164
Your Price
$78,164
MSRP
$91,434
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2026 GMC Sierra 2500HD Denali Ultimate

2026 GMC Sierra 2500HD Denali Ultimate

Location:
Castle Chevrolet GMC McHenry
vin 
1GT4UXEY2TF280244
Stock #
M260429
Model Code
#TK20743
Exterior
Sterling Metallic
Interior
Alpine Umber
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$98,609
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Dealer Discount $8,353
GMC Bonus Cash $2,000
Illinois Doc Fee
$378
Your Price
$88,634
Your Price
$88,634
MSRP
$98,609
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2026 GMC Sierra 2500HD SLE

2026 GMC Sierra 2500HD SLE

Location:
Castle Buick GMC
vin 
1GT4UMEY2TF296166
Stock #
B26570
Model Code
#TK20743
Exterior
Summit White
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$76,375
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Dealer Discount $6,903
Buick & GMC Consumer Cash Program $3,500
GMC Bonus Cash $2,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$64,385
Your Price
$64,385
MSRP
$76,375
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2026 GMC Sierra 2500HD Denali

2026 GMC Sierra 2500HD Denali

Location:
Castle Buick GMC
vin 
1GT4UREY3TF296044
Stock #
B26575
Model Code
#TK20743
Exterior
Onyx Black
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$91,410
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Dealer Discount $7,919
Buick & GMC Consumer Cash Program $1,500
GMC Bonus Cash $2,000
GMC Bonus Cash $2,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$78,404
Your Price
$78,404
MSRP
$91,410
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2026 GMC Sierra 2500HD SLE

2026 GMC Sierra 2500HD SLE

Location:
Castle Buick GMC
vin 
1GT4UMEY3TF296242
Stock #
B26576
Model Code
#TK20743
Exterior
Sterling Metallic
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$76,870
{{unlockCtaDiscountDataByType['new'] && unlockCtaDiscountDataByType['new'].unlockDiscountCTAPriceLabel ? unlockCtaDiscountDataByType['new'].unlockDiscountCTAPriceLabel : 'Unlock Discount'}}
Dealer Discount $7,067
Buick & GMC Consumer Cash Program $3,500
GMC Bonus Cash $2,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$64,716
Your Price
$64,716
MSRP
$76,870
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2026 GMC Sierra 2500HD AT4

2026 GMC Sierra 2500HD AT4

Location:
Castle Buick GMC
vin 
1GT4UPEY2TF299070
Stock #
B26578
Model Code
#TK20743
Exterior
Summit White
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$89,914
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Dealer Discount $7,851
Buick & GMC Consumer Cash Program $1,000
GMC Bonus Cash $2,000
Illinois Doc Fee + Electronic Filing Fee
$413
Your Price
$79,476
Your Price
$79,476
MSRP
$89,914
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2026 GMC Sierra 2500HD SLT

2026 GMC Sierra 2500HD SLT

Location:
Castle Chevrolet GMC McHenry
vin 
1GT4UNEY7TF287792
Stock #
M260445
Model Code
#TK20743
Exterior
Summit White
Interior
Jet Black
Drivetrain
4WD
Engine
Turbocharged Diesel V8 6.6L/
Transmission
Automatic
MSRP
$82,060
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Dealer Discount $7,494
Buick & GMC Consumer Cash Program $3,500
GMC Bonus Cash $2,000
Illinois Doc Fee
$378
Your Price
$69,444
Your Price
$69,444
MSRP
$82,060
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2026 GMC Sierra 1500 AT4

2026 GMC Sierra 1500 AT4

Location:
Castle Chevrolet GMC McHenry
vin 
1GTUUEEL0TZ363999
Stock #
M260472
Model Code
#TK10543
Exterior
Summit White
Interior
Jet Black with Kalahari accents
Drivetrain
4WD
Engine
Gas V8 6.2L/
Transmission
Automatic
MSRP
$76,569
{{unlockCtaDiscountDataByType['new'] && unlockCtaDiscountDataByType['new'].unlockDiscountCTAPriceLabel ? unlockCtaDiscountDataByType['new'].unlockDiscountCTAPriceLabel : 'Unlock Discount'}}
Dealer Discount $8,411
GMC Bonus Cash $1,500
GMC Bonus Cash $1,000
Illinois Doc Fee
$378
Your Price
$66,036
Your Price
$66,036
MSRP
$76,569
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