Best Used Diesel Truck To Buy May 2026

: Ranked as the most reliable modern light-duty diesel, offering impressive fuel economy (up to 33 mpg highway) and smooth operation for daily driving. Top 10 Most Reliable Diesel Trucks in North America

The best used diesel trucks offer a balance of mechanical simplicity, legendary engine durability, and strong resale value. For those seeking maximum reliability, models with the , 5.9L Cummins , or 6.6L LBZ Duramax engines are widely considered the gold standard. Top 5 Most Reliable Used Diesel Trucks best used diesel truck to buy

: This is the top choice for a more modern used truck. It features a significantly strengthened block and a more reliable Denso HP4 fuel pump that fixed previous generation issues. : Ranked as the most reliable modern light-duty