The 1980 Hang Ten 400 was a motor race for Group C Touring Cars.
The event, which was Round 2 of the 1980 Australian Championship of Makes, was staged on 14 September 1980 over 109 laps of the 3.1 km Sandown Park circuit in Victoria, Australia, a total distance of 337.9 km.
[1] It was the fifteenth Sandown endurance race.
The race was won by Peter Brock driving a Holden Commodore VC.
The field was divided into the following four engine capacity classes: