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Ernie Dean GM, ON / All Vehicles

New GMC Sierra 2500HDs for sale in Alliston, ON

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Retail Price + HST:
$90,352
  • June Truck Employee Pricing Promotion -$8,148
Sale Price + HST
$82,204
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD SLE
Confirm Availability
2025 GMC Sierra 2500HD SLE
4WD Crew Cab Standard Box SLE
VIN: 1GT4UME76SF325397
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52331
Custom Badge Image
Retail Price + HST:
$90,352
  • June Truck Employee Pricing Promotion -$8,148
Sale Price + HST
$82,204
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$119,757
  • June Truck Employee Pricing Promotion -$12,009
Sale Price + HST
$107,748
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD AT4
Confirm Availability
2025 GMC Sierra 2500HD AT4
4WD Crew Cab Standard Box AT4 - AT4 PREMIUM PLUS PKG // 5TH WHEEL PREP // MOULDED SPLASH GUARDS
VIN: 1GT4UPEY2SF266312
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17820
Custom Badge Image
Retail Price + HST:
$119,757
  • June Truck Employee Pricing Promotion -$12,009
Sale Price + HST
$107,748
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$92,352
  • June Truck Employee Pricing Promotion -$8,237
Sale Price + HST
$84,115
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD SLE
Confirm Availability
2025 GMC Sierra 2500HD SLE
4WD Crew Cab Standard Box SLE - SLE VALUE PKG // PREFERRED PKG // X31- OFF ROAD AND PROTECTION PKG
VIN: 1GT4UME70SF327663
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52292
Custom Badge Image
Retail Price + HST:
$92,352
  • June Truck Employee Pricing Promotion -$8,237
Sale Price + HST
$84,115
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$92,352
  • June Truck Employee Pricing Promotion -$8,237
Sale Price + HST
$84,115
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD SLE
Confirm Availability
2025 GMC Sierra 2500HD SLE
4WD Crew Cab Standard Box SLE - SLE VALUE PKG // X31 OFF ROAD AND PROTECTION PKG // PREFERRED PKG
VIN: 1GT4UME70SF327503
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52293
Custom Badge Image
Retail Price + HST:
$92,352
  • June Truck Employee Pricing Promotion -$8,237
Sale Price + HST
$84,115
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$91,352
  • June Truck Employee Pricing Promotion -$8,148
Sale Price + HST
$83,204
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD SLE
Confirm Availability
2025 GMC Sierra 2500HD SLE
4WD Crew Cab Standard Box SLE - KODIAK PKG // X31 OFF ROAD AND PROTECTION PKG // PREFERRED PKG
VIN: 1GT4UME74SF325317
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52278
Custom Badge Image
Retail Price + HST:
$91,352
  • June Truck Employee Pricing Promotion -$8,148
Sale Price + HST
$83,204
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
2 km
Retail Price + HST:
$123,701
  • June Truck Employee Pricing Promotion -$12,875
Sale Price + HST
$110,826
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD Denali
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2025 GMC Sierra 2500HD Denali
4WD Crew Cab Standard Box Denali - DENALI RESERVE PKG // 20" HIGH GLOSS BLACK RIMS // PWR-RETRACTABLE STEPS
VIN: 1GT4UREY1SF319898
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17812
  • 2 km
Custom Badge Image
Retail Price + HST:
$123,701
  • June Truck Employee Pricing Promotion -$12,875
Sale Price + HST
$110,826
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$120,811
  • June Truck Employee Pricing Promotion -$12,072
Sale Price + HST
$108,739
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD AT4
Confirm Availability
2025 GMC Sierra 2500HD AT4
4WD Crew Cab Standard Box AT4 - AT4 PREMIUM PLUS PKG // MAX TRAILERING PKG // MOULDED SPLASH GUARDS
VIN: 1GT4UPEY0SF308878
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17811
Retail Price + HST:
$120,811
  • June Truck Employee Pricing Promotion -$12,072
Sale Price + HST
$108,739
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$121,391
  • June Truck Employee Pricing Promotion -$11,825
Sale Price + HST
$109,566
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD Denali
Confirm Availability
2025 GMC Sierra 2500HD Denali
4WD Crew Cab Standard Box Denali - DENALI RESERVE PKG // PWR- RETRACTABLE STEPS // 5TH WHEEL PREP PKG
VIN: 1GT4UREY5SF302702
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17806
Retail Price + HST:
$121,391
  • June Truck Employee Pricing Promotion -$11,825
Sale Price + HST
$109,566
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$76,437
  • Deans Red Tag Savings
    Red tag savings cannot be combined with ACTUAL Employee New Vehicle Program. Contact for more details.
         -$2,885
Sale Price + HST
$73,552
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD Pro
Confirm Availability
2025 GMC Sierra 2500HD Pro
8.19ft Box Length - CONVENIENCE PKG // SPRAY BED LINER // TRAILERING MIRRORS POWER ADJUSTABLE
VIN: 1GT3ULE74SF287349
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17813
Retail Price + HST:
$76,437
  • Deans Red Tag Savings
    Red tag savings cannot be combined with ACTUAL Employee New Vehicle Program. Contact for more details.
         -$2,885
Sale Price + HST
$73,552
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$128,622
  • June Truck Employee Pricing Promotion -$12,391
Sale Price + HST
$116,231
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD AT4X
Confirm Availability
2025 GMC Sierra 2500HD AT4X
6.85ft Box Length - 6.6 V8 DIESEL // VENTIALED SEATS // 5TH WHEEL PREP PKG // PWR RETRACTABLE STEPS
VIN: 1GT4UZEY9SF304470
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52112
Custom Badge Image
Retail Price + HST:
$128,622
  • June Truck Employee Pricing Promotion -$12,391
Sale Price + HST
$116,231
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$121,092
  • June Truck Employee Pricing Promotion -$11,790
Sale Price + HST
$109,302
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD Denali
Confirm Availability
2025 GMC Sierra 2500HD Denali
4WD Crew Cab Standard Box Denali - DENALI RESERVE PKG // SUNROOF // 5TH WHEEL PREP PKG // FLOOR LINER PKG
VIN: 1GT4UREY3SF304318
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17804
Retail Price + HST:
$121,092
  • June Truck Employee Pricing Promotion -$11,790
Sale Price + HST
$109,302
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Retail Price + HST:
$116,282
  • June Truck Employee Pricing Promotion -$11,679
Sale Price + HST
$104,603
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 2500HD AT4
Confirm Availability
2025 GMC Sierra 2500HD AT4
4WD Crew Cab Standard Box AT4 - AT4 PREMIUM PLUS PKG // 5TH WHEEL PREP // MOULDED SPLASH GUARDS // OFF ROAD HIGH CLEARANCE STEPS
VIN: 1GT4UPEY5SF304700
  • Body Style
    Truck
  • Engine
    6.6L 8Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52106
Custom Badge Image
Retail Price + HST:
$116,282
  • June Truck Employee Pricing Promotion -$11,679
Sale Price + HST
$104,603
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
Request More Info
Request More Info

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By subscribing to SMS notifications, you agree to receive recurring automated and non-automated messages from ERNIE DEAN CHEVROLET BUICK GMC LTD. Reply STOP to unsubscribe. Message and data rates may apply. View our Privacy Policy for more information.