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100 University Ave W,
Cobourg, ON K9A 4L1
Thomas Buick GMC Ltd, ON / All Vehicles

GMC Sierra 2500HDs for sale in Cobourg, ON

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Thomas Price
$132,203
Price does not include taxes and licensing fees.
Finance from
$833 bw
$132,203.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $19,421.21). Plus taxes and licence.
Lease from
$1,246 bw
$132,203.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $18,746.93). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate in White for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate 5SB Preferred Equipment Group 4x4
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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate 5SB Preferred Equipment Group 4x4
VIN: 1GT4UXEY4TF313633
  • Stock
    T13633
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Thomas Price
$132,203
Price does not include taxes and licensing fees.
Finance from
$833 bw
$132,203.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $19,421.21). Plus taxes and licence.
Lease from
$1,246 bw
$132,203.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $18,746.93). Plus taxes and licence.
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Starting Price:
$118,489
Thomas Price
$113,489
Price does not include taxes and licensing fees.
Finance from
$747 bw
$118,489.00 x 84 months @ 3.99% APR with $0.00 down payment (5.35% effective rate, cost of borrowing $17,406.56). Plus taxes and licence.
Lease from
$1,158 bw
$118,489.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.38% effective rate, cost of borrowing $16,610.98). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in Black for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 4SB Preferred Equipment Group 4x4
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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 4SB Preferred Equipment Group 4x4
VIN: 1GT4UPEY7TF302822
  • Stock
    T02822
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$118,489
Thomas Price
$113,489
Price does not include taxes and licensing fees.
Finance from
$747 bw
$118,489.00 x 84 months @ 3.99% APR with $0.00 down payment (5.35% effective rate, cost of borrowing $17,406.56). Plus taxes and licence.
Lease from
$1,158 bw
$118,489.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.38% effective rate, cost of borrowing $16,610.98). Plus taxes and licence.
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Starting Price:
$117,124
Thomas Price
$112,124
Price does not include taxes and licensing fees.
Finance from
$738 bw
$117,124.00 x 84 months @ 3.99% APR with $0.00 down payment (5.37% effective rate, cost of borrowing $17,206.03). Plus taxes and licence.
Lease from
$1,104 bw
$117,124.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.38% effective rate, cost of borrowing $16,608.66). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in White for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY5TF319808
  • Stock
    T19808
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$117,124
Thomas Price
$112,124
Price does not include taxes and licensing fees.
Finance from
$738 bw
$117,124.00 x 84 months @ 3.99% APR with $0.00 down payment (5.37% effective rate, cost of borrowing $17,206.03). Plus taxes and licence.
Lease from
$1,104 bw
$117,124.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.38% effective rate, cost of borrowing $16,608.66). Plus taxes and licence.
View Details
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Starting Price:
$119,474
Thomas Price
$114,474
Price does not include taxes and licensing fees.
Finance from
$753 bw
$119,474.00 x 84 months @ 3.99% APR with $0.00 down payment (5.34% effective rate, cost of borrowing $17,551.26). Plus taxes and licence.
Lease from
$1,126 bw
$119,474.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.32% effective rate, cost of borrowing $16,941.90). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Silver for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREYXTF273361
  • Stock
    T73361
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$119,474
Thomas Price
$114,474
Price does not include taxes and licensing fees.
Finance from
$753 bw
$119,474.00 x 84 months @ 3.99% APR with $0.00 down payment (5.34% effective rate, cost of borrowing $17,551.26). Plus taxes and licence.
Lease from
$1,126 bw
$119,474.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.32% effective rate, cost of borrowing $16,941.90). Plus taxes and licence.
View Details
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Starting Price:
$122,188
Thomas Price
$117,188
Price does not include taxes and licensing fees.
Finance from
$770 bw
$122,188.00 x 84 months @ 3.99% APR with $0.00 down payment (5.31% effective rate, cost of borrowing $17,949.96). Plus taxes and licence.
Lease from
$1,152 bw
$122,188.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.26% effective rate, cost of borrowing $17,326.76). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Black for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY6TF314407
  • Stock
    T14407
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$122,188
Thomas Price
$117,188
Price does not include taxes and licensing fees.
Finance from
$770 bw
$122,188.00 x 84 months @ 3.99% APR with $0.00 down payment (5.31% effective rate, cost of borrowing $17,949.96). Plus taxes and licence.
Lease from
$1,152 bw
$122,188.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.26% effective rate, cost of borrowing $17,326.76). Plus taxes and licence.
View Details
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Starting Price:
$121,569
Thomas Price
$116,569
Price does not include taxes and licensing fees.
Finance from
$766 bw
$121,569.00 x 84 months @ 3.99% APR with $0.00 down payment (5.32% effective rate, cost of borrowing $17,859.02). Plus taxes and licence.
Lease from
$1,146 bw
$121,569.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.27% effective rate, cost of borrowing $17,238.98). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in White for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group AWD
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2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group AWD
VIN: 1GT4UREY9TF148285
  • Stock
    T48285
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$121,569
Thomas Price
$116,569
Price does not include taxes and licensing fees.
Finance from
$766 bw
$121,569.00 x 84 months @ 3.99% APR with $0.00 down payment (5.32% effective rate, cost of borrowing $17,859.02). Plus taxes and licence.
Lease from
$1,146 bw
$121,569.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.27% effective rate, cost of borrowing $17,238.98). Plus taxes and licence.
View Details
Request More Info
Starting Price:
$119,489
Thomas Price
$114,489
Price does not include taxes and licensing fees.
Finance from
$753 bw
$119,489.00 x 84 months @ 3.99% APR with $0.00 down payment (5.34% effective rate, cost of borrowing $17,553.46). Plus taxes and licence.
Lease from
$1,126 bw
$119,489.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.32% effective rate, cost of borrowing $16,944.03). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Silver for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY0TF303628
  • Stock
    T03628
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$119,489
Thomas Price
$114,489
Price does not include taxes and licensing fees.
Finance from
$753 bw
$119,489.00 x 84 months @ 3.99% APR with $0.00 down payment (5.34% effective rate, cost of borrowing $17,553.46). Plus taxes and licence.
Lease from
$1,126 bw
$119,489.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.32% effective rate, cost of borrowing $16,944.03). Plus taxes and licence.
View Details
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Starting Price:
$118,449
Thomas Price
$113,449
Price does not include taxes and licensing fees.
Finance from
$746 bw
$118,449.00 x 84 months @ 3.99% APR with $0.00 down payment (5.35% effective rate, cost of borrowing $17,400.68). Plus taxes and licence.
Lease from
$1,116 bw
$118,449.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.35% effective rate, cost of borrowing $16,796.55). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Black for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY8TF290319
  • Stock
    T90319
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$118,449
Thomas Price
$113,449
Price does not include taxes and licensing fees.
Finance from
$746 bw
$118,449.00 x 84 months @ 3.99% APR with $0.00 down payment (5.35% effective rate, cost of borrowing $17,400.68). Plus taxes and licence.
Lease from
$1,116 bw
$118,449.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.35% effective rate, cost of borrowing $16,796.55). Plus taxes and licence.
View Details
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Starting Price:
$122,188
Thomas Price
$117,188
Price does not include taxes and licensing fees.
Finance from
$770 bw
$122,188.00 x 84 months @ 3.99% APR with $0.00 down payment (5.31% effective rate, cost of borrowing $17,949.96). Plus taxes and licence.
Lease from
$1,152 bw
$122,188.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.26% effective rate, cost of borrowing $17,326.76). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Silver for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY3TF314400
  • Stock
    T14400
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$122,188
Thomas Price
$117,188
Price does not include taxes and licensing fees.
Finance from
$770 bw
$122,188.00 x 84 months @ 3.99% APR with $0.00 down payment (5.31% effective rate, cost of borrowing $17,949.96). Plus taxes and licence.
Lease from
$1,152 bw
$122,188.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.26% effective rate, cost of borrowing $17,326.76). Plus taxes and licence.
View Details
Request More Info
Starting Price:
$120,578
Thomas Price
$115,578
Price does not include taxes and licensing fees.
Finance from
$760 bw
$120,578.00 x 84 months @ 3.99% APR with $0.00 down payment (5.33% effective rate, cost of borrowing $17,713.44). Plus taxes and licence.
Lease from
$1,179 bw
$120,578.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.33% effective rate, cost of borrowing $16,903.84). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 in White for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 4SB Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive AT4 4SB Preferred Equipment Group 4x4
VIN: 1GT4UPEY0TF256606
  • Stock
    T56606
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$120,578
Thomas Price
$115,578
Price does not include taxes and licensing fees.
Finance from
$760 bw
$120,578.00 x 84 months @ 3.99% APR with $0.00 down payment (5.33% effective rate, cost of borrowing $17,713.44). Plus taxes and licence.
Lease from
$1,179 bw
$120,578.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.33% effective rate, cost of borrowing $16,903.84). Plus taxes and licence.
View Details
Request More Info
Thomas Price
$132,203
Price does not include taxes and licensing fees.
Finance from
$833 bw
$132,203.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $19,421.21). Plus taxes and licence.
Lease from
$1,246 bw
$132,203.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $18,746.93). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate in Black for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate 5SB Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate 5SB Preferred Equipment Group 4x4
VIN: 1GT4UXEY9TF313627
  • Stock
    T13627
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Thomas Price
$132,203
Price does not include taxes and licensing fees.
Finance from
$833 bw
$132,203.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $19,421.21). Plus taxes and licence.
Lease from
$1,246 bw
$132,203.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $18,746.93). Plus taxes and licence.
View Details
Request More Info
Starting Price:
$117,589
Thomas Price
$112,589
Price does not include taxes and licensing fees.
Finance from
$741 bw
$117,589.00 x 84 months @ 3.99% APR with $0.00 down payment (5.36% effective rate, cost of borrowing $17,274.34). Plus taxes and licence.
Lease from
$1,108 bw
$117,589.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.37% effective rate, cost of borrowing $16,674.60). Plus taxes and licence.
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali in Black for sale at Thomas Buick GMC Ltd in Cobourg, ON
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
Confirm Availability
2026 GMC Sierra 2500HD Crew Cab Standard Box 4-Wheel Drive Denali 5SA Preferred Equipment Group 4x4
VIN: 1GT4UREY6TF168770
  • Stock
    T68770
  • Engine
    6.6L 8Cyl
  • Transmission
    Automatic
  • Fuel Type
    Diesel
Starting Price:
$117,589
Thomas Price
$112,589
Price does not include taxes and licensing fees.
Finance from
$741 bw
$117,589.00 x 84 months @ 3.99% APR with $0.00 down payment (5.36% effective rate, cost of borrowing $17,274.34). Plus taxes and licence.
Lease from
$1,108 bw
$117,589.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 11.37% effective rate, cost of borrowing $16,674.60). Plus taxes and licence.
View Details
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