Diesel Trucks for Sale in Union, ON

438 results

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

37,640 km

$65,999

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
Transmission:: Automatic
Mileage:: 37,640
Stock #:: 5100
VIN:: 3GTUUEE80SG255604

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2026 Chevrolet Silverado 1500

High Country Crew Cab 4WD

20,184 km

$74,999

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:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 20,184
Stock #:: 26T166A
VIN:: 3GCUKJE84TG165257

2023 RAM 2500

Limited Longhorn Crew Cab 4WD

97,800 km

$68,688

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:: White
Fuel type:: Diesel
Transmission:: 6-Speed Automatic
Mileage:: 97,800
Stock #:: SB-0024
VIN:: 3C6UR5GL3PG598845

2021 RAM 2500

Tradesman Crew Cab 4WD

123,100 km

$41,995

CarGurus partner

Year:: 2021
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: Black
Fuel type:: Diesel
Interior colour:: Black (Charcoal)
Transmission:: Automatic
Mileage:: 123,100
Stock #:: 2605-999
VIN:: 3C6UR5CL4MG506921

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

2019 Chevrolet Colorado

ZR2 Crew Cab 4WD

220,013 km

$20,995

CarGurus partner

Year:: 2019
Make:: Chevrolet
Model:: Colorado
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 181 hp 2.8L I4 Diesel
Exterior colour:: Black
Combined gas mileage:: 12 L/100km
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 220,013
Stock #:: 1180A
VIN:: 1GCPTEE16K1184569

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2024 Chevrolet Silverado 1500

Custom Trail Boss Crew Cab 4WD

62,514 km

$43,985

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:: Black
Combined gas mileage:: 10 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 62,514
Stock #:: 108913
VIN:: 3GCUDCE8XRG330663

2020 RAM 2500

Big Horn Crew Cab 4WD

125,911 km

$46,498

CarGurus partner

Year:: 2020
Make:: RAM
Model:: 2500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: Gray
Fuel type:: Diesel
Transmission:: Automatic
Mileage:: 125,911
Stock #:: A02524
VIN:: 3C6UR5DL1LG307984

2024 GMC Sierra 1500

Elevation Crew Cab 4WD

51,521 km

$52,995

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

2023 RAM 3500

Limited Mega Cab DRW 4WD

40,686 km

$84,995

CarGurus partner

Year:: 2023
Make:: RAM
Model:: 3500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 370 hp 6.7L I6 Diesel
Exterior colour:: Black
Fuel type:: Diesel
Interior colour:: Black
Transmission:: 6-Speed Automatic
Mileage:: 40,686
Stock #:: 17171-1
VIN:: 3C63RRPL1PG575339

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2026 Chevrolet Silverado 1500

RST Crew Cab 4WD

10,090 km

$66,666

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 Chevrolet Silverado 1500

ZR2 Crew Cab 4WD

42,983 km

$59,999

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:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 42,983
Stock #:: E6690
VIN:: 3GCUDHE84RG114370

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2024 Chevrolet Silverado 1500

ZR2 Crew Cab 4WD

48,158 km

$62,314

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
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 48,158
Stock #:: 154471
VIN:: 3GCUDHE81RG174784

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2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

22,000 km

$93,997

CarGurus partner

Year:: 2025
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:: Black
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 22,000
Stock #:: 150864
VIN:: 1GT4UREY2SF290377

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

37,640 km

$65,999

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
Transmission:: Automatic
Mileage:: 37,640
Stock #:: 5100
VIN:: 3GTUUEE80SG255604

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

41,016 km

$66,418

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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2016 RAM 1500

Outdoorsman Quad Cab 4WD

101,000 km

$19,999

CarGurus partner

Year:: 2016
Make:: RAM
Model:: 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 240 hp 3L V6 Biodiesel
Exterior colour:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 101,000
Stock #:: SP3908
VIN:: 1C6RR7GM5GS204300

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2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

41,889 km

$89,985

CarGurus partner

Year:: 2025
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:: Black
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 41,889
Stock #:: 104284
VIN:: 1GT4UPEY4SF316420

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2026 Chevrolet Silverado 1500

High Country Crew Cab 4WD

20,184 km

$74,999

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:: Gray
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 20,184
Stock #:: 26T166A
VIN:: 3GCUKJE84TG165257

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2025 GMC Sierra 1500

AT4 Crew Cab 4WD

25,133 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:: 10-Speed Automatic
Mileage:: 25,133
Stock #:: 104218
VIN:: 3GTUUEE82SG340167

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2024 GMC Sierra 2500HD

Denali Crew Cab 4WD

23,129 km

$89,968

CarGurus partner

Year:: 2024
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:: Black
Fuel type:: Biodiesel
Transmission:: Automatic
Mileage:: 23,129
Stock #:: 6T78A
VIN:: 1GT49REY1RF442628

2024 Chevrolet Silverado 1500

ZR2 Crew Cab 4WD

82,493 km

$56,495

Year:: 2024
Make:: Chevrolet
Model:: Silverado 1500
Body type:: Pickup Truck
Doors:: 4 doors
Drivetrain:: Four-Wheel Drive
Engine:: 3L I6 Diesel
Exterior colour:: Black
Combined gas mileage:: 11 L/100km
Fuel type:: Diesel
Interior colour:: JET BLACK
Transmission:: Automatic
Mileage:: 82,493
Stock #:: SG34447A
VIN:: 3GCUDHE81RG222719

2024 Chevrolet Silverado 2500HD

High Country Crew Cab 4WD

43,973 km

$79,977

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:: White
Fuel type:: Biodiesel
Interior colour:: Black
Transmission:: Automatic
Mileage:: 43,973
Stock #:: 26384A
VIN:: 2GC4YREYXR1153371

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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

Diesel Trucks for Sale in Union, ON

2025 GMC Sierra 1500

$65,999

2026 Chevrolet Silverado 1500

$74,999

2023 RAM 2500

$68,688

2021 RAM 2500

$41,995

2024 RAM 2500

$58,995

2019 Chevrolet Colorado

$20,995

2024 Chevrolet Silverado 1500

$43,985

2020 RAM 2500

$46,498

2024 GMC Sierra 1500

$52,995

2023 RAM 3500

$84,995

2026 Chevrolet Silverado 1500

$66,666

2024 Chevrolet Silverado 1500

$59,999

2024 Chevrolet Silverado 1500

$62,314

2025 GMC Sierra 2500HD

$93,997

2025 GMC Sierra 1500

$65,999

2025 GMC Sierra 1500

$66,418

2016 RAM 1500

$19,999

2025 GMC Sierra 2500HD

$89,985

2026 Chevrolet Silverado 1500

$74,999

2025 GMC Sierra 1500

$66,985

2024 GMC Sierra 2500HD

$89,968

2024 Chevrolet Silverado 1500

$56,495

2024 Chevrolet Silverado 2500HD

$79,977

2024 RAM 2500

$58,995

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