St. Marys Buick GMC: New & Used GM Dealer

Disclaimer: Finance and Lease offers on approved credit. Regional offers, lease and finance conditions apply. See your local Buick dealer for more information. Use of any calculation and/or tools on https:stmarysgm.com does not constitute an offer of direct financing or any particular lease, finance, purchase option or transaction. Calculation and tools are intended for illustrative purposes only. Rates and requirements may vary depending on credit worthiness. Every effort is made to ensure the accuracy of the content on the pages on https:stmarysgm.com. In the event of a discrepancy, error or omission, vehicle prices, offers and features as established by GM Canada and participating Buick dealers in Canada, will prevail.

2025 GMC

Acadia

MSRP from $55,099.00 ^*

Lease

$424 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$359 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Terrain

MSRP from $37,399.00 ^*

Lease

$291 /Bi-weekly

48 Month Term

6.9% Interest Rate

Finance

$244 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Yukon

MSRP from $94,399.00 ^*

Lease

$684 /Bi-weekly

48 Month Term

7.9% Interest Rate

Finance

$615 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Yukon XL

MSRP from $97,899.00 ^*

Lease

$733 /Bi-weekly

48 Month Term

7.9% Interest Rate

Finance

$638 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Canyon

MSRP from $53,599.00 ^*

Lease

$353 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$349 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Savana Cutaway

MSRP from $48,999.00 ^*

Lease

Please call for payment details

Finance

$319 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Savana Cutaway 4500

MSRP from $53,699.00 ^*

Lease

Please call for payment details

Finance

$350 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Sierra 1500

MSRP from $50,399.00 ^*

Lease

$402 /Bi-weekly

48 Month Term

7.9% Interest Rate

Finance

$318 /Bi-weekly

84 Month Term

3.99% Interest Rate

2025 GMC

Sierra 2500HD

MSRP from $67,199.00 ^*

Lease

$602 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$438 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Sierra 3500HD

MSRP from $69,199.00 ^*

Lease

$576 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$451 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Sierra 3500HD Chassis

MSRP from $67,699.00 ^*

Lease

Please call for payment details

Finance

$441 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Savana 2500

MSRP from $54,999.00 ^*

Lease

Please call for payment details

Finance

$358 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Savana 3500

MSRP from $59,799.00 ^*

Lease

Please call for payment details

Finance

$390 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

HUMMER EV Pickup

MSRP from $133,398.00 ^*

Lease

$702 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$804 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

HUMMER EV SUV

MSRP from $133,398.00 ^*

Lease

$702 /Bi-weekly

48 Month Term

8.9% Interest Rate

Finance

$804 /Bi-weekly

84 Month Term

4.99% Interest Rate

2025 GMC

Sierra EV

MSRP from $118,499.00 ^*

Lease

$822 /Bi-weekly

48 Month Term

5.9% Interest Rate

Finance

$759 /Bi-weekly

84 Month Term

4.49% Interest Rate

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Disclaimer: Finance and Lease offers on approved credit. Regional offers, lease and finance conditions apply. See your local GMC dealer for more information. Use of any calculation and/or tools on https:stmarysgm.com does not constitute an offer of direct financing or any particular lease, finance, purchase option or transaction. Calculation and tools are intended for illustrative purposes only. Rates and requirements may vary depending on credit worthiness. Every effort is made to ensure the accuracy of the content on the pages on https:stmarysgm.com. In the event of a discrepancy, error or omission, vehicle prices, offers and features as established by GM Canada and participating GMC dealers in Canada, will prevail.

Google Reviews

We are committed to making you a long-lasting customer and friend.

Jerry did an amazing job selling my mother a car, he found all the best options for her budget! I’m very happy to see how happy and excited she is! He was able to get her a new vehicle within almost the same week! A great place to buy a car and definitely ask for Jerry!

Courtney Christina

Great experience with Tracy! I had a problem with my old truck and we had paper work signed on another truck right away and picked up two days later 100% recommend!

Chris Hamilton

Contacted the dealership to ask about a used Truck. Jerry Cook responded to me quickly and provided all the information I needed. He provided various options and ideas based on the information I provided. Would definitely recommend reaching out to Jerry!

Scott White

I purchased a vehicle from here, and I left very very satisfied. Its always nice seeing such a friendly group of people at the dealership. Jerry was amazing in being accommodating for me living far away by being completely transparent and giving me prompt responses. I couldn’t be more happy with my new...

Jawad Anser

I just my vehicle from St. Marys Buick GMC, I love it! The service was amazing. Special shout out to Jerry Cook for making it his mission to get me the best possible deals :) would definitely suggest their services.

Danielle W

4.5

Customer Rating

Over 200 Reviews

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