2019 Average New Motor Grader Prices How CostOwl
New Motor Grader Average Costs. Most 130 hp to 180 hp machines fall in the $200,000 to $300,000 range. Machines with 250 hp or more can run as much as $500,000, but they're not as common as mid range machines. Compact motor graders usually run $60,000 to $175,000. An 80 hp machine might cost $90,000, while at 115 hp machine would run more like $150,000 to $175,000.