How much gas to fill up greyhound bus?

The fuel tank capacity of a typical Greyhound bus is around 200 to 300 gallons, depending on the model. To fill it up, you would need to purchase this amount of diesel fuel, which can vary in price based on location and market conditions. If you're looking for a cost estimate, multiplying the tank capacity by the current price of diesel fuel will give you an approximate total cost to fill the bus.