Diesel Trucks for Sale in Oldcastle, ON

703 results

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

41,016 km

$66,942

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 41,016
Stock #:: 83615
VIN:: 3GTUUEE81SG251514

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2023 GMC Sierra 2500HD

AT4 Crew Cab 4WD

70,500 km

$74,499

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.6L V8 Biodiesel
Exterior colour:: Black
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 70,500
Stock #:: PF148253P
VIN:: 1GT19PEY9PF148253

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

51,521 km

$56,495

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Black
Fuel type:: Diesel
Interior colour:: Black
Transmission:: 8-Speed Automatic
Mileage:: 51,521
Stock #:: 17145-1
VIN:: 1GTUUCE81RZ191541

2025 Chevrolet Silverado 3500HD

LT Crew Cab 4WD

34,350 km

$67,461

CarGurus partner

Year:: 2025
Make:: Chevrolet
Model:: Silverado 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: White
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 34,350
Stock #:: U11069
VIN:: 2GC4KTEY7S1198711

2025 Ford F-250 Super Duty

Lariat Crew Cab 4WD

47,444 km

$87,994

CarGurus partner

Year:: 2025
Make:: Ford
Model:: F-250 Super Duty
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.7L V8 Biodiesel
Exterior colour:: White
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 47,444
Stock #:: C71473
VIN:: 1FT7W2BT6SEC71473

2022 RAM 3500

Laramie Mega Cab DRW 4WD

86,190 km

$66,999

CarGurus partner

Year:: 2022
Make:: RAM
Model:: 3500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Transmission:: 8-Speed Automatic
Mileage:: 86,190
Stock #:: NG238817
VIN:: 3C63RRML1NG238817

2025 Chevrolet Silverado 3500HD

LTZ Crew Cab LB 4WD

19,088 km

$89,994

CarGurus partner

Year:: 2025
Make:: Chevrolet
Model:: Silverado 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: White
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 19,088
Stock #:: 129937
VIN:: 2GC4KUEYXS1129937

2024 Chevrolet Silverado 2500HD

LT Crew Cab 4WD

83,139 km

$62,994

CarGurus partner

Year:: 2024
Make:: Chevrolet
Model:: Silverado 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: Black
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 83,139
Stock #:: 102161
VIN:: 2GC1YNEY3R1102161

2023 GMC Sierra 1500

Elevation Crew Cab 4WD

74,180 km

$46,490

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Transmission:: 8-Speed Automatic
Mileage:: 74,180
Stock #:: 15-U1290
VIN:: 1GTUUCE89PZ127129

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

25,132 km

$66,985

CarGurus partner

Year:: 2025
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 25,132
Stock #:: 104218
VIN:: 3GTUUEE82SG340167

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2023 GMC Sierra 3500HD

Denali Crew Cab 4WD

100,047 km

$74,998

CarGurus partner

Year:: 2023
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.6L V8 Biodiesel
Exterior colour:: Black
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 100,047
Stock #:: 349412
VIN:: 1GT49WEY4PF190949

2024 GMC Sierra 1500

AT4 Crew Cab 4WD

63,148 km

$58,499

Year:: 2024
Make:: GMC
Model:: Sierra 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: GAZ Summit White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: HVD Jet Black/kalahari
Transmission:: Automatic
Mileage:: 63,148
Stock #:: 48253
VIN:: 3GTUUEE87RG361848

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2025 Chevrolet Silverado 2500HD

LTZ Crew Cab 4WD

29,236 km

$82,030

CarGurus partner

Year:: 2025
Make:: Chevrolet
Model:: Silverado 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: Gray
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 29,236
Stock #:: 15-U1298
VIN:: 2GC4KPEY5S1139759

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2021 RAM 3500

Tradesman Crew Cab 4WD

45,145 km

$49,999

CarGurus partner

Year:: 2021
Make:: RAM
Model:: 3500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 45,145
VIN:: 3C63R3CL8MG514598

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2025 RAM 2500

Laramie Mega Cab 4WD

70,178 km

$69,998

CarGurus partner

Year:: 2025
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.7L I6 Diesel
Exterior colour:: Black
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 70,178
Stock #:: LC26026A
VIN:: 3C63R5NL7SG518292

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2024 Chevrolet Silverado 1500

Custom Trail Boss Crew Cab 4WD

50,201 km

$43,900

CarGurus partner

Year:: 2024
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Transmission:: 8-Speed Automatic
Mileage:: 50,201
Stock #:: 15-U1289
VIN:: 3GCUDCE89RG241120

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2024 RAM 2500

Big Horn Crew Cab 4WD

32,498 km

$58,995

CarGurus partner

Year:: 2024
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 32,498
Stock #:: 8978
VIN:: 3C6UR5DLXRG418607

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2025 RAM 2500

Big Horn Crew Cab 4WD

5,425 km

$77,994

CarGurus partner

Year:: 2025
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 6.7L I6 Diesel
Exterior colour:: White
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 5,425
Stock #:: 573914
VIN:: 3C63R5DL2SG573914

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2016 Ford F-350 Super Duty

Lariat Crew Cab 4WD

137,170 km

$48,995

CarGurus partner

Year:: 2016
Make:: Ford
Model:: F-350 Super Duty
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 440 hp 6.7L V8 Biodiesel
Exterior colour:: White
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: 6-Speed Automatic
Mileage:: 137,170
Stock #:: A4595
VIN:: 1FT8W3BT2GEC92581

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2025 Chevrolet Silverado 1500

Custom Trail Boss Crew Cab 4WD

40,449 km

$52,995

CarGurus partner

Year:: 2025
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 40,449
Stock #:: 194678
VIN:: 3GCUKCE85SG194678

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2024 Chevrolet Silverado 2500HD

High Country Crew Cab 4WD

63,256 km

$79,995

CarGurus partner

Year:: 2024
Make:: Chevrolet
Model:: Silverado 2500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: Black
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 63,256
Stock #:: 101780
VIN:: 2GC1YREY5R1101780

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2023 RAM 2500

Limited Longhorn Crew Cab 4WD

88,267 km

$66,995

CarGurus partner

Year:: 2023
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: Diamond Black Crystal Pearlcoat (PXJ)
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 88,267
Stock #:: S4379
VIN:: 3C6UR5GL2PG553573

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2026 Chevrolet Silverado 1500

RST Crew Cab 4WD

10,090 km

$70,498

CarGurus partner

Year:: 2026
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: White
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 10,090
Stock #:: 167074
VIN:: 3GCUKEE87TG173764

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2024 GMC Sierra 3500HD

Denali Crew Cab 4WD

117,591 km

$83,999

CarGurus partner

Year:: 2024
Make:: GMC
Model:: Sierra 3500HD
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 470 hp 6.6L V8 Biodiesel
Exterior colour:: White
Fuel type:: Biodiesel
Interior colour:: Brown
Transmission:: Automatic
Mileage:: 117,591
Stock #:: 860550
VIN:: 1GT49WEY3RF362892

Diesel Trucks for Sale in Oldcastle, ON

2025 GMC Sierra 1500

$66,942

2023 GMC Sierra 2500HD

$74,499

2024 GMC Sierra 1500

$56,495

2025 Chevrolet Silverado 3500HD

$67,461

2025 Ford F-250 Super Duty

$87,994

2022 RAM 3500

$66,999

2025 Chevrolet Silverado 3500HD

$89,994

2024 Chevrolet Silverado 2500HD

$62,994

2023 GMC Sierra 1500

$46,490

2025 GMC Sierra 1500

$66,985

2023 GMC Sierra 3500HD

$74,998

2024 GMC Sierra 1500

$58,499

2025 Chevrolet Silverado 2500HD

$82,030

2021 RAM 3500

$49,999

2025 RAM 2500

$69,998

2024 Chevrolet Silverado 1500

$43,900

2024 RAM 2500

$58,995

2025 RAM 2500

$77,994

2016 Ford F-350 Super Duty

$48,995

2025 Chevrolet Silverado 1500

$52,995

2024 Chevrolet Silverado 2500HD

$79,995

2023 RAM 2500

$66,995

2026 Chevrolet Silverado 1500

$70,498

2024 GMC Sierra 3500HD

$83,999

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