St. Mary's Buick GMC - 69 Cars for Sale

449 Queen Street West
St. Marys, ON, N4X 1B7

Map & directions

Sales: (226) 243-6794

Service: (519) 284-3310

4.6

Closed Today (Sunday)

All used cars on CarGurus

69 results

2019 Mercedes-Benz E-Class

E 450 4MATIC Sedan AWD

88,527 km

$29,995

Great Deal

$526/mo est.

St. Marys, ON

Year:: 2019
Make:: Mercedes-Benz
Model:: E-Class
Body type:: Sedan
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 362 hp 3L V6
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 88,527
Stock #:: SG34468A
VIN:: WDDZF6JB7KA497575

2024 GMC Sierra 1500

Denali Crew Cab 4WD

42,835 km

$62,495

Good Deal

$1,096/mo est.

St. Marys, ON

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: WHITE FROST TRICOAT
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: JET BLACK
Transmission:: Automatic
Mileage:: 42,835
Stock #:: P2590
VIN:: 3GTUUGE87RG416343

2025 Chevrolet Silverado 2500HD

LT Crew Cab 4WD

56,712 km

$61,495

Fair Deal

$1,078/mo est.

St. Marys, ON

Year:: 2025
Make:: Chevrolet
Model:: Silverado 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior colour:: SUMMIT WHITE
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 56,712
Stock #:: P2588
VIN:: 2GC1KNE70S1146536

2024 Dodge Hornet

GT AWD

50,832 km

$27,788

Fair Deal

$488/mo est.

St. Marys, ON

Year:: 2024
Make:: Dodge
Model:: Hornet
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 2L I4
Exterior colour:: Blue
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 50,832
Stock #:: P2584
VIN:: ZACNDFAN7R3A44065

2023 Dodge Durango

GT AWD

61,987 km

$40,995

Fair Deal

$719/mo est.

St. Marys, ON

Year:: 2023
Make:: Dodge
Model:: Durango
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 295 hp 3.6L V6
Exterior colour:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Interior colour:: Black
Transmission:: Automatic
Mileage:: 61,987
Stock #:: P2582
VIN:: 1C4RDJDG7PC666466

2023 Toyota Tundra

Limited CrewMax Cab 4WD

93,980 km

$51,195

Fair Deal

$898/mo est.

St. Marys, ON

Year:: 2023
Make:: Toyota
Model:: Tundra
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 389 hp 3.4L V6
Exterior colour:: Gray
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 93,980
Stock #:: P2578
VIN:: 5TFJA5DB1PX118909

2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

72,658 km

$87,495

Fair Deal

$1,534/mo est.

St. Marys, ON

Year:: 2024
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior colour:: Black
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 72,658
Stock #:: SG34461A
VIN:: 1GT49RE72RF220784

2025 Buick Enclave

Sport Touring AWD

39,321 km

$51,295

Fair Deal

$900/mo est.

St. Marys, ON

Year:: 2025
Make:: Buick
Model:: Enclave
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 328 hp 2.5L I4
Exterior colour:: CHERRY RED TINTCOAT
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Interior colour:: Black (EBONY)
Transmission:: Automatic
Mileage:: 39,321
Stock #:: SG34142
VIN:: 5GAEVBRS8SJ128766

2024 Volvo XC90

B6 Ultimate Bright Theme 7-Passenger AWD

59,346 km

$58,195

Fair Deal

$1,021/mo est.

St. Marys, ON

Year:: 2024
Make:: Volvo
Model:: XC90
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 295 hp 2L I4
Exterior colour:: White
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 59,346
Stock #:: P2579
VIN:: YV4062PF2R1169929

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2022 Mitsubishi Outlander

ES S-AWC

119,241 km

$22,995

Fair Deal

$404/mo est.

St. Marys, ON

Year:: 2022
Make:: Mitsubishi
Model:: Outlander
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 181 hp 2.5L I4
Exterior colour:: Black
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Continuously Variable Transmission
Mileage:: 119,241
Stock #:: SG34478A
VIN:: JA4J4TA87NZ615995

2019 GMC Sierra 3500HD

SLT Crew Cab 4WD

109,188 km

$61,495

Fair Deal

$1,078/mo est.

St. Marys, ON

Year:: 2019
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.6L V8 Biodiesel
Exterior colour:: WHITE FROST TRICOAT
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 109,188
Stock #:: SG34419A
VIN:: 1GT42VEY8KF281424

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2020 RAM 1500

Rebel Crew Cab 4WD

34,777 km

$47,495

Fair Deal

$833/mo est.

St. Marys, ON

Year:: 2020
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 395 hp 5.7L V8
Combined gas mileage:: 14 L/100km
Fuel type:: Gasoline
Transmission:: 8-Speed Automatic
Mileage:: 34,777
Stock #:: SG34462A
VIN:: 1C6SRFLT5LN145489

2023 Hyundai Tucson

Essential AWD

93,107 km

$23,795

Fair Deal

$418/mo est.

St. Marys, ON

Year:: 2023
Make:: Hyundai
Model:: Tucson
Body type:: SUV / Crossover
Exterior colour:: Black
Transmission:: Automatic
Mileage:: 93,107
Stock #:: P2574
VIN:: KM8JBCAE8PU220995

2025 GMC Canyon

Elevation Crew Cab 4WD

10,875 km

$53,275

Fair Deal

$934/mo est.

St. Marys, ON

Year:: 2025
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: SUMMIT WHITE
Combined gas mileage:: 13 L/100km
Fuel type:: Gasoline
Interior colour:: JET BLACK
Transmission:: Automatic
Mileage:: 10,875
Stock #:: SG34203
VIN:: 1GTP2BEK0S1131800

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2026 Buick Encore GX

Sport Touring AWD

New car

$39,574

$694/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Encore GX
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 155 hp 1.3L I3
Exterior colour:: Gray (MOONSTONE GREY METALLIC)
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Interior colour:: Black (EBONY)
Transmission:: 9-Speed Automatic
Mileage:: 10
Stock #:: SG34315
VIN:: KL4AMESL6TB024089

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2025 GMC Savana Cargo

2500 RWD

New car

$57,005

$1,000/mo est.

St. Marys, ON

Year:: 2025
Make:: GMC
Model:: Savana Cargo
Body type:: Van
Doors:: 3 doors
Drivetrain:: Rear-Wheel Drive
Engine:: 401 hp 6.6L V8
Exterior colour:: SUMMIT WHITE
Fuel type:: Gasoline
Interior colour:: SEATS, FRONT BUCKET WITH CUSTOM CLOTH TRIM
Transmission:: Automatic
Mileage:: 10
Stock #:: SG34322
VIN:: 1GTW7BF7XS1256178

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2026 Buick Enclave

Sport Touring AWD

New car

$70,995

$1,245/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Enclave
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 328 hp 2.5L I4
Exterior colour:: Black (EBONY TWILIGHT METALLIC)
Combined gas mileage:: 11 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 19
Stock #:: SG34344
VIN:: 5GAEVBKS8TJ137947

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2026 Buick Encore GX

Sport Touring AWD

New car

$42,768

$750/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Encore GX
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 155 hp 1.3L I3
Exterior colour:: Gray (MOONSTONE GREY METALLIC)
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 10
Stock #:: SG34347
VIN:: KL4AMESLXTB038528

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2026 Buick Encore GX

Avenir AWD

New car

$43,804

$768/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Encore GX
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 155 hp 1.3L I3
Combined gas mileage:: 9 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 19
Stock #:: SG34348
VIN:: KL4AMGSL5TB038965

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2026 GMC Hummer EV SUV

3X AWD

New car

$149,862

$2,627/mo est.

St. Marys, ON

Year:: 2026
Make:: GMC
Model:: Hummer EV SUV
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: Electric
Exterior colour:: Gray (GRAPHITE BLUE METALLIC)
Fuel type:: Electric
Transmission:: Automatic
Mileage:: 53
Stock #:: SG34350
VIN:: 1GKTERDC8TU602122

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2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

New car

$133,373

$2,338/mo est.

St. Marys, ON

Year:: 2026
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: ONYX BLACK
Fuel type:: Biodiesel
Interior colour:: ALPINE UMBER, FULL GRAIN LEATHER SEAT TRIM
Transmission:: Automatic
Mileage:: 17
Stock #:: SG34358
VIN:: 1GT4UXEY1TF133252

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2026 Buick Envision

Sport Touring AWD

New car

$54,888

$963/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Envision
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 228 hp 2L I4
Exterior colour:: Black (EBONY TWILIGHT METALLIC)
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Stock #:: SG34365
VIN:: LRBFZPR46TD004676

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2026 Buick Envision

Sport Touring AWD

New car

$52,149

$915/mo est.

St. Marys, ON

Year:: 2026
Make:: Buick
Model:: Envision
Body type:: SUV / Crossover
Doors:: 4 doors
Drivetrain:: All-Wheel Drive
Engine:: 228 hp 2L I4
Exterior colour:: Gray (MOONSTONE GREY METALLIC)
Combined gas mileage:: 10 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 19
Stock #:: SG34376
VIN:: LRBFZPR4XTD008813

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2026 GMC Canyon

Elevation Crew Cab 4WD

New car

$59,709

$1,047/mo est.

St. Marys, ON

Year:: 2026
Make:: GMC
Model:: Canyon
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 310 hp 2.7L I4
Exterior colour:: Black
Combined gas mileage:: 12 L/100km
Fuel type:: Gasoline
Transmission:: Automatic
Mileage:: 10
Stock #:: SG34380
VIN:: 1GTP2BEKXT1163073

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St. Mary's Buick GMC - 69 Cars for Sale

4.6

2019 Mercedes-Benz E-Class

$29,995

2024 GMC Sierra 1500

$62,495

2025 Chevrolet Silverado 2500HD

$61,495

2024 Dodge Hornet

$27,788

2023 Dodge Durango

$40,995

2023 Toyota Tundra

$51,195

2024 GMC Sierra 2500HD

$87,495

2025 Buick Enclave

$51,295

2024 Volvo XC90

$58,195

2022 Mitsubishi Outlander

$22,995

2019 GMC Sierra 3500HD

$61,495

2020 RAM 1500

$47,495

2023 Hyundai Tucson

$23,795

2025 GMC Canyon

$53,275

2026 Buick Encore GX

$39,574

2025 GMC Savana Cargo

$57,005

2026 Buick Enclave

$70,995

2026 Buick Encore GX

$42,768

2026 Buick Encore GX

$43,804

2026 GMC Hummer EV SUV

$149,862

2026 GMC Sierra 2500HD

$133,373

2026 Buick Envision

$54,888

2026 Buick Envision

$52,149

2026 GMC Canyon

$59,709

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