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Ernie Dean GM, ON / All Vehicles

New GMCs for sale in Alliston, ON

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Retail Price + HST:
$94,286
  • June Truck Employee Pricing Promotion -$9,230
Sale Price + HST
$85,056
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 1500 AT4
VIN: 3GTUUEE8XSG329028
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Red
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    17847
Custom Badge Image
Retail Price + HST:
$94,286
  • June Truck Employee Pricing Promotion -$9,230
Sale Price + HST
$85,056
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:
$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
Purchase Price
$48,187
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2026 GMC Terrain AWD Elevation
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2026 GMC Terrain AWD Elevation
AWD Elevation
VIN: 3GKALUEG4TL166767
City: 9.9L/100 km • Hwy: 8.5L/100 km
  • Body Style
    SUV
  • Engine
    1.5L 4Cyl
  • Exterior Colour
    White
  • Transmission
    Automatic
  • Drivetrain
    AWD
  • Stock #
    52323
Custom Badge Image
Purchase Price
$48,187
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
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Purchase Price
$48,682
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
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2026 GMC Terrain AWD Elevation
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2026 GMC Terrain AWD Elevation
AWD Elevation
VIN: 3GKALUEG1TL165947
City: 9.9L/100 km • Hwy: 8.5L/100 km
  • Body Style
    SUV
  • Engine
    1.5L 4Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    AWD
  • Stock #
    52322
Custom Badge Image
Purchase Price
$48,682
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:
$109,701
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SB
         -$2,000
  • June Truck Employee Pricing Promotion -$10,337
Sale Price + HST
$97,364
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 1500 Denali Ultimate
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2025 GMC Sierra 1500 Denali Ultimate
5.83ft Box Length
VIN: 1GTUUHE86SZ314270
City: 10.6L/100 km • Hwy: 9L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52327
Custom Badge Image
Retail Price + HST:
$109,701
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SB
         -$2,000
  • June Truck Employee Pricing Promotion -$10,337
Sale Price + HST
$97,364
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
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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:
$105,347
  • June Truck Employee Pricing Promotion -$10,240
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SG
         -$2,000
Sale Price + HST
$93,107
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 1500 AT4X
Confirm Availability
2025 GMC Sierra 1500 AT4X
5.83ft Box Length - 3.0l DIESEL // HIGH CLEARANCE ASSIST STEPS // MULTIPRO KICKER SYSTEM
VIN: 3GTUUFE82SG364717
City: 12.2L/100 km • Hwy: 12L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52284
Custom Badge Image
Retail Price + HST:
$105,347
  • June Truck Employee Pricing Promotion -$10,240
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SG
         -$2,000
Sale Price + HST
$93,107
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:
$93,747
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$2,000
  • June Truck Employee Pricing Promotion -$9,216
Sale Price + HST
$82,531
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 1500 AT4
Confirm Availability
2025 GMC Sierra 1500 AT4
Crew Cab Short Box 4-Wheel Drive AT4 - 3.0L DIESEL // TECHNOLOGY PKG // SUNROOF // AT4 PREMIUM PLUS PKG
VIN: 3GTUUEE88SG364327
City: 10.6L/100 km • Hwy: 9L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52283
Custom Badge Image
Retail Price + HST:
$93,747
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$2,000
  • June Truck Employee Pricing Promotion -$9,216
Sale Price + HST
$82,531
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:
$94,047
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$2,000
  • June Truck Employee Pricing Promotion -$9,246
Sale Price + HST
$82,801
Price does not include taxes and licensing fees. Dean Discount not compatible with GM employee and preferred pricing programs.
View Details
2025 GMC Sierra 1500 AT4
Confirm Availability
2025 GMC Sierra 1500 AT4
Crew Cab Standard Box 4-Wheel Drive AT4 - 3.0L DIESEL // SUNROOF // TECHNOLOGY PKG // AT4 PREMIUM PLUS PKG
VIN: 3GTUUEE88SG362593
City: 10.6L/100 km • Hwy: 9L/100 km
  • Body Style
    Truck
  • Engine
    3.0L 6Cyl
  • Exterior Colour
    Silver
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    52266
Custom Badge Image
Retail Price + HST:
$94,047
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$2,000
  • June Truck Employee Pricing Promotion -$9,246
Sale Price + HST
$82,801
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
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.