Depends on how much fuel is int he tanks already.
150 gallons per hour
The standard A320 has a fuel capacity of 6,400 US gallons. Jet Fuel is 210.5 cents/gallon (7-Jan-2010), giving a maximum refuelling cost of $13,472.
The Airbus A380-800 can hold up to 85,000 US gallons of fuel (320,000 litres).
FedEx do not have Airbus A320 in their fleet. A320 do not have a "freighter" version either.
The maximum fuel capacity for the Airbus A380 is 323,546 L (85,472 US gallons)
An Airbus A320 costs between $73.2 and $80.6m (US Dollars)
65 million USD
Approx 2200 kg per hour ..... Divide by .8 for litters
The Airbus A320 burns roughly 2500 pounds per hour, which is about 368 gallons per hour.
Airbus lists the maximum fuel load for the A319 as 7885 gallons.
The A 320-200 has a max weight of 170,000 lb. The A321 has a max of 206,000 lb