1 The average rental costs are usually around $100 to $200 for a day. 2  However, the price can rise according to the size of the bobcat needed. 3  For example, a scraper or similar equipment for leveling a gravel driveway costs $50 to $70 a day. Such machines are usually rented per hour or per day. 2  The average rental costs are usually around $100 to $200 for a day. 3  However, the price can rise according to the size of the bobcat needed.