The 2011 Dial Before You Dig Australian Manufacturers' Championship 500 was an endurance motor race for production cars.
It was held on 10 and 11 September 2011, at Sandown Raceway in Melbourne, Victoria, Australia.
The race was won by Stuart Kostera and Ian Tulloch, driving a Mitsubishi Lancer Evolution X.
The Lancer Evolution 9 of Tony Quinn and Klark Quinn finished in second place with another Lancer Evolution 9 in third, driven by Jim Pollicina and Dean Kelland.
The race was run over two days and had two legs, each one scheduled to be eighty laps and 250km in length.