Mills Motors Buick GMC Promotions 
in Oshawa

GMC, Buick Canada Promotions

SIERRA 1500 PRO GRAPHITE FINANCE: Offer available to qualified retail customers in Ontario on select new and previously unregistered 2025 Sierra 1500 Pro Graphite financed between April 1, 2025 to April 30, 2025. 0% purchase financing (0% APR) offered on approved credit by TD Auto Finance Services, Scotiabank® or RBC Royal Bank for 72 months. Participating lenders are subject to change. Rates from other lenders may vary. Down payment, trade and/or security deposit may be required. Monthly payment and cost of borrowing will vary depending on amount borrowed and down payment/trade. Representative finance example based on an eligible 2025 Sierra 1500 Pro Graphite model: $68,295 with a $1,500 Cash Credit (at participating dealerships) (Tax Exclusive) // $69,795 (excludes Cash Credit)]; financed at 0% APR equals $970 monthly for 72 months with $0 down payment. Cost of borrowing is $0 for a total obligation of $69,795// $68,295. Offer includes (i) $1,500 Cash Credit (at participating dealerships) (Tax Exclusive);and ii) $2,600 freight; $100 A/C charge; $12.50 OMVIC fee; $21.50 EHF (tires); $1 EHF (filters); up to $699 dealer administration fee; PPSA registration (up to $28); as well as all other applicable fees, levies and duties (all of which may vary by retailer). License; insurance and applicable sales taxes are extra. Dealers are free to set individual prices. Factory order may be required. Limited time offer which may not be combined with certain other offers. General Motors of Canada Company may modify, extend or terminate offers for any reason, in whole or in part, at any time, without notice. Conditions and limitations apply. See dealer for details. These offers may not be redeemed for cash and may not be combined with certain other consumer incentives. Void where prohibited. Chargeable paint costs may vary depending on the vehicle/colour. See Dealer for full program details. ®Registered trademark of The Bank of Nova Scotia. RBC and Royal Bank are registered trademarks of Royal Bank of Canada. TD Auto Finance is a registered trademark of The Toronto-Dominion Bank. 

$1500 Cash Credit (at participating dealerships) (Tax Exclusive) is available on new and previously unregistered 2025 Sierra 1500 Pro Graphite models purchased/leased/financed from authorized participating Ontario GMC dealers and delivered between April 1 -- April 30, 2025: Offer consists of a discount that can only be used at the time of initial purchase/lease/  finance from the authorized dealer. Offer has no cash surrender or other value and cannot be applied to past transactions. Offer is subject to change or cancellation without notice. Limited time offer which may not be combined with certain other offers. General Motors of Canada Company (GM Canada) may modify, extend or terminate offers for any reason, in whole or in part, at any time, without notice. Conditions and limitations apply. See your participating dealer or visit www.gmccanada.ca/en for details.

2025 GMC Sierra 1500 Pro Graphite

TERRAIN ELEVATION FINANCE: Offer available to qualified retail customers in Ontario on select new and previously unregistered 2025 Terrain Elevation models financed between April 1, 2025 to April 30, 2025. 4.99% purchase financing (4.99% APR) offered on approved credit by TD Auto Finance Services, Scotiabank® or RBC Royal Bank for 84 months. Participating lenders are subject to change. Rates from other lenders may vary. Down payment, trade and/or security deposit may be required. Monthly payment and cost of borrowing will vary depending on amount borrowed and down payment/trade. Representative finance example based on an eligible 2025 Terrain Elevation model: $42,480 financed at 4.99% APR equals $252 bi-weekly for 84 months with $3,900 down payment. Cost of borrowing is $7,209 for a total obligation of $49,689. Offer includes $2,300 freight; $100 A/C charge; $12.50 OMVIC fee; $21.50 EHF (tires); $1 EHF (filters); up to $699 dealer administration fee; PPSA registration (up to $28); as well as all other applicable fees, levies and duties (all of which may vary by retailer). License; insurance and applicable sales taxes are extra. Dealers are free to set individual prices. Factory order may be required. Limited time offer which may not be combined with certain other offers. General Motors of Canada Company may modify, extend or terminate offers for any reason, in whole or in part, at any time, without notice. Conditions and limitations apply. See dealer for details. These offers may not be redeemed for cash and may not be combined with certain other consumer incentives. Void where prohibited. Chargeable paint costs may vary depending on the vehicle/colour. See Dealer for full program details. ®Registered trademark of The Bank of Nova Scotia. RBC and Royal Bank are registered trademarks of Royal Bank of Canada. TD Auto Finance is a registered trademark of The Toronto-Dominion Bank.

The $126 weekly payment equivalent is shown for informational purposes only. Payments cannot be made on a weekly basis.

2025 GMC Terrain Elevation

ENCORE GX PREFERRED AWD FINANCE: Offer available to qualified retail customers in Ontario on select new and previously unregistered 2025 Encore GX Preferred AWD models financed between April 1, 2025 to April 30, 2025. 4.99% purchase financing (4.99% APR) offered on approved credit by TD Auto Finance Services, Scotiabank® or RBC Royal Bank for 84 months.  Participating lenders are subject to change. Rates from other lenders may vary. Down payment, trade and/or security deposit may be required. Monthly payment and cost of borrowing will vary depending on amount borrowed and down payment/trade. Representative finance example based on an eligible 2025 Encore GX Preferred AWD model: $36,880 financed at 4.99% APR equals $219 bi-weekly  for 84 months with $3,300 down payment. Cost of borrowing is $6,275 for a total obligation of $43,155.  Offer includes $2,300 freight; $100 A/C charge; $12.50 OMVIC fee; $21.50 EHF (tires); $1 EHF (filters); up to $699 dealer administration fee; PPSA registration (up to $28); as well as all other applicable fees, levies, and duties (all of which may vary by retailer).  License, insurance and applicable sales taxes are extra. Dealers are free to set individual prices. Factory order may be required. Limited time offer which may not be combined with certain other offers. General Motors of Canada Company may modify, extend or terminate offers for any reason, in whole or in part, at any time, without notice. Conditions and limitations apply. See dealer for details. These offers may not be redeemed for cash and may not be combined with certain other consumer incentives. Void where prohibited. Chargeable paint costs may vary depending on the vehicle/colour. See Dealer for full program details. ®Registered trademark of The Bank of Nova Scotia. RBC and Royal Bank are registered trademarks of Royal Bank of Canada. TD Auto Finance is a registered trademark of The Toronto-Dominion Bank.

The $110 weekly payment equivalent is shown for informational purposes only. Payments cannot be made on a weekly basis.

To qualify for the $1,200 Costco Member-Only Bonus, you must be a Canadian resident holding a valid driver's license, have been an active Costco member as of March 31st, 2025, or earlier, and must: (1) Register with Costco to receive your non-transferable Authorization Number; (2) Present the Authorization Number to a participating dealer; (3) Retail purchase, finance or lease an eligible new or demonstrator 2024/2025 Buick Envision, GMC Hummer EV SUV, or GMC Hummer EV SUT, 2025 Chevrolet Silverado EV, Equinox EV, Blazer EV, Trax, Trailblazer, Buick Enclave, Encore GX, Envista, GMC Sierra EV delivered from April 1st -- June 2nd, 2025. Factory order or dealer trade may be required. Bonus is deducted after taxes are applied to the vehicle purchase price. The purchase or lease of a vehicle does not qualify for the calculation of the Costco Executive Membership 2% Reward. Offer may not be redeemed for cash. Conditions and limitations apply to this limited time offer. See participating dealer for details.

For full program details and for any applicable exclusions see a participating dealer or costcoauto.ca.

Offer is valid at participating authorized GM Canada dealers. Offer available in Canada only. Offer is subject to change without notice. Void where prohibited. Costco and its affiliates do not sell automobiles nor negotiate individual transactions.

2025 Buick Encore GX Preferred AWD
Sierra HD AT4 Cash: Offer available to qualified retail customers in Ontario on select vehicles purchased between April 1, 2025 to April 30, 2025. Cash Purchase price of $95,035 for a new and previously unregistered 2025 Sierra HD AT4 model includes: (i) $5,000 Non-Stackable Cash Delivery Allowance (NSCDA) (Tax Exclusive); and (ii) $2,600 freight; $100 A/C charge; $12.50 OMVIC fee; $21.50 EHF (tires); $1 EHF (filters); up to $699 dealer administration fee; as well as all other applicable fees, levies and duties (all of which may vary by retailer). By selecting lease or finance offers, consumers are foregoing this $5,000 credit which will result in higher effective interest rates. Dealers are free to set individual prices. Factory order may be required. Limited time offer which may not be combined with certain other offers. General Motors of Canada Company may modify, extend or terminate offers for any reason, in whole or in part, at any time, without notice. Conditions and limitations apply. See dealer for details. These offers may not be redeemed for cash and may not be combined with certain other consumer incentives. Void where prohibited. Chargeable paint costs may vary depending on the vehicle/colour. See Dealer for full program details.
2025 GMC Sierra HD AT4

GMC models on special

All Trucks SUVs Electrics
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2024 GMC Canyon

up to 750 in savings
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Leasing
156 / Week
Interest rate of 7.9 %,
208 payments of 156 +HST & Licenses.
16,000 Km per year lease.
Financing
156 / Week
Interest rate of 3.99 %,
364 payments of 156 +HST & Licenses.
Total cost of credit: 56,809
Rebate on 2024 Canyon
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2025 GMC HUMMER EV Pickup

up to 10,000 in savings
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Leasing
337 / Week
Interest rate of 8.9 %,
208 payments of 337 +HST & Licenses.
16,000 Km per year lease.
Financing
403 / Week
Interest rate of 4.99 %,
364 payments of 403 +HST & Licenses.
Total cost of credit: 146,734
Rebate on 2025 HUMMER EV Pickup
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2025 GMC HUMMER EV SUV

up to 10,000 in savings
front45
Leasing
337 / Week
Interest rate of 8.9 %,
208 payments of 337 +HST & Licenses.
16,000 Km per year lease.
Financing
403 / Week
Interest rate of 4.99 %,
364 payments of 403 +HST & Licenses.
Total cost of credit: 146,734
Rebate on 2025 HUMMER EV SUV
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2025 GMC Sierra 2500HD

up to 5,000 in savings
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Leasing
296 / Week
Interest rate of 8.9 %,
208 payments of 296 +HST & Licenses.
16,000 Km per year lease.
Financing
220 / Week
Interest rate of 4.99 %,
364 payments of 220 +HST & Licenses.
Total cost of credit: 80,005
Rebate on 2025 Sierra 2500HD
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2025 GMC Sierra 3500HD

up to 5,000 in savings
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Leasing
283 / Week
Interest rate of 8.9 %,
208 payments of 283 +HST & Licenses.
16,000 Km per year lease.
Financing
226 / Week
Interest rate of 4.99 %,
364 payments of 226 +HST & Licenses.
Total cost of credit: 82,375
Rebate on 2025 Sierra 3500HD
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2025 GMC Sierra 1500

up to 8,000 in savings
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Leasing
201 / Week
Interest rate of 7.9 %,
208 payments of 201 +HST & Licenses.
16,000 Km per year lease.
Financing
163 / Week
Interest rate of 3.99 %,
364 payments of 163 +HST & Licenses.
Total cost of credit: 59,274
Rebate on 2025 Sierra 1500
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2025 GMC Sierra EV

up to 5,000 in savings
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Leasing
397 / Week
Interest rate of 5.9 %,
208 payments of 397 +HST & Licenses.
16,000 Km per year lease.
Financing
380 / Week
Interest rate of 4.49 %,
364 payments of 380 +HST & Licenses.
Total cost of credit: 138,262
Rebate on 2025 Sierra EV

Buick models on special

All Trucks SUVs Electrics
Logo of Mills Motors Buick GMC

2024 Buick Envision

up to 750 in savings
front45
Leasing
127 / Week
Interest rate of 3.9 %,
208 payments of 127 +HST & Licenses.
16,000 Km per year lease.
Financing
141 / Week
Interest rate of 3.99 %,
364 payments of 141 +HST & Licenses.
Total cost of credit: 51,478
Rebate on 2024 Envision

Service and Parts Promotions

GET A $150 INSTANT REBATE ON WINTER TIRES*
* $150 instant rebate on the purchase of a set (4 tires) of Bridgestone Blizzak winter tires when yo...
SAVE UP TO $120 IN INSTANT REBATES ON SELECT SETS OF 4 ELIGIBLE NEW TIRES*
Online Tire Finder: https://www.mycertifiedservice.ca/en/tire-finder * Instant tire manufacture...
Apparel - Buy 1 Get 1 50% OFF
GMC Apparel
Buy 1 Get 1 50% off on all in stock apparel and housewares!
50% Off applied to the lesser priced item


Indemnification clause
The amount shown reflects an estimate of the amount that you can expect to pay in Canadian dollars. Taxes are excluded (unless selected otherwise). Photos represent the model offered but may vary slightly in color, options, or features. While we strive to ensure that the information on this website is accurate, we recommend contacting us directly to verify details and obtain additional information about the vehicle, including confirmation of prices, colors, trims, options, and other specifications.
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