Used Diesel Trucks for Sale in Scottsdale, AZ

Explore Diesel Trucks by Engine & Manufacturer

Browse our current diesel truck inventory below. New trucks arrive regularly, and availability changes. Questions about a specific diesel pickup? Call (480) 210-2660.

Shop Used Diesel Trucks in Scottsdale & Phoenix, AZ

Unique Trucks helps buyers throughout Scottsdale, Phoenix, Mesa, Tempe, and Arizona find quality pre-owned diesel pickups. Our changing inventory includes popular heavy-duty models from Ford, RAM, Chevrolet, and GMC, with available four-wheel-drive, lifted, single rear-wheel, and dually configurations.

Diesel trucks are popular among drivers who need strong low-speed torque for towing, hauling, commercial work, or long-distance travel. Whether you're looking for a heavy-duty diesel pickup or a custom lifted truck, compare the vehicles above by engine, model year, mileage, equipment, modifications, and price.

Explore Diesel Trucks & Related Inventory

Power Stroke vs. Duramax vs. Cummins Diesel Engines

Ford Power Stroke, Chevrolet/GMC Duramax, and RAM Cummins are established diesel engine families with different designs, transmissions, towing configurations, and ownership considerations. The best choice depends on the individual truck, intended workload, maintenance history, and your preferences.

Which Diesel Truck Is Best for Towing?

The best diesel truck for towing depends on your trailer's fully loaded weight, hitch or pin weight, passengers, cargo, and intended driving conditions. Ford Super Duty, RAM Heavy Duty, Chevrolet Silverado HD, and GMC Sierra HD pickups offer configurations designed for demanding towing applications.

Before choosing a truck, verify its actual towing capacity, payload, gross vehicle weight rating (GVWR), gross combined weight rating (GCWR), axle ratings, and hitch equipment. Factory maximum towing figures do not apply to every configuration.

Diesel Trucks for Fifth-Wheel & Gooseneck Towing

Heavy-duty diesel pickups are frequently used for fifth-wheel RVs, gooseneck equipment trailers, livestock trailers, and commercial hauling. Ford F-350 and F-450, RAM 3500, and Chevrolet/GMC 3500HD models are common choices when properly configured.

A dual rear-wheel truck may offer additional rear-axle load capability and stability compared with certain single rear-wheel configurations. However, the correct setup depends on the actual truck's ratings, hitch equipment, and fully loaded trailer weight.

Diesel vs. Gas Trucks: Which Should You Buy?

Diesel engines can be attractive for frequent heavy towing, substantial hauling, and long-distance highway use. They typically provide strong low-speed torque, but maintenance, diesel emissions equipment, fuel expenses, and repair costs should also factor into your decision.

Gas-powered pickups may be a practical alternative for drivers who tow less frequently, take shorter trips, or prefer different operating costs. The best decision depends on your actual workload, driving habits, budget, and vehicle condition.

Lifted Diesel Trucks & Heavy-Duty Custom Builds

Unique Trucks specializes in lifted and customized pickups, including diesel trucks when available. Depending on the vehicle, upgrades may include aftermarket lift kits, larger all-terrain tires, custom wheels, specialized suspension components, and other accessories.

Before purchasing a lifted diesel truck, review the suspension system, steering, tire fitment, braking, alignment, overall vehicle height, and any changes affecting towing or handling. Each customized pickup is different, so ask about the equipment installed on the specific vehicle.

Browse our lifted trucks for sale in Scottsdale to explore available gas and diesel models.

What to Look for When Buying a Used Diesel Truck

Review the truck's mileage, maintenance records, available vehicle history, engine and transmission condition, fuel system, cooling system, turbocharger operation, brakes, suspension, tires, and drivetrain.

Modern diesel pickups also have emissions-related components that should be evaluated, including applicable diesel particulate filters, diesel exhaust fluid systems, and exhaust treatment equipment. The exact equipment varies by model and year.

Ask about prior towing or commercial use, any aftermarket modifications, available service records, and the condition of the actual truck before purchasing. Review the vehicle listing, photos, and available history report.

Diesel Truck Financing, Trade-Ins & Nationwide Shipping

Unique Trucks offers financing options for qualified buyers shopping for used diesel pickups, lifted diesel trucks, and heavy-duty work trucks. You can also get pre-qualified online before visiting our Scottsdale dealership.

Have a truck to trade? Explore our sell and trade-in options. Purchasing from outside Arizona? Unique Trucks also offers nationwide vehicle shipping and can discuss delivery arrangements with you.

Diesel Truck Buying Questions

Answers to common questions about used diesel pickups, Power Stroke, Cummins and Duramax engines, towing, lifted diesel trucks, financing, trade-ins, and nationwide shipping from Unique Trucks in Scottsdale.