@top5expensive: The 5 most expensive semi-truck brands 🚛 A custom-built Peterbilt sold for $12 million in 2019 — the most expensive semi-truck ever recorded, with over 3,400 horsepower under the hood. On the standard market, Mercedes-Benz tops the list as the priciest brand, with MSRPs pushing past $246,000 fully loaded. Which brand would you want pulling your load? 👇