Quite abvious: the A380 is much bigger, weights almost three times the A300. Also, the A380 has four engines ins tead of two and has two decks instead of just on one for the A300.
That model does not exist. The only model of the A380 is the A380-800.
Qantas Airlines currently has 31 Airbus airplanes. Airbus A380-800:12 Airbus A330-300:10 Airbus A330-200:9
An Airbus A380 in standard configuration will set you back around US$390 (approx. €300 million or £252 million).
An Airbus A380 in standard configuration will set you back around US$390 (approx. €300 million or £252 million).
Currently they operate: Airbus A380, Airbus A340-500, Airbus A340-300, Airbus A330-200, Boeing 777-300ER, Boeing 777-300, Boeing 777-200LR, Boeing 777-200 Details taken from the related link.
well the most obvious difference is the size the A300 is a single deck twin engine and the A380 is a full length double decker 4 engined jet also the A380 is much more modern
The Airbus A300 is a 266 seat short/medium-range twin-engined aircraft that entered service in 1974. The Airbus A380 is a 853 seat long-range four engined aircraft that entered service in 2007.
US$ 389.9 million (approx. €300 million or GB£252 million)
Airbus do not make an A320-300.
If you mean between the Airbus A300 and A380, as there is no A-800, see this link;A380 on Wikipediahttp://en.wikipedia.org/wiki/Airbus_A380A300 on Wikipediahttp://en.wikipedia.org/wiki/Airbus_A300
Airbus A340-300 has 295 seats Airbus A340-500 has 313 seats Airbus A340-600 has 380 seats
Airbus 330-300 carries 440 passengers.