The Terps held the Gamecocks to a 35.6 shooting percentage Sunday.
Austin averaged nine points, 14 rebounds and three blocks in a pair of road wins.
The Terps trailed 18-6 before going on a 24-1 run
The Terps lost to the Gamecocks 94-86 last year.
The No. 9 Terps held the Colonials to 17.5 percent from the field, but also went 2-for-16 from beyond the arc.
The road matchup is the Terps' final tuneup before facing South Carolina
Austin has averaged 13.5 rebounds and 4.5 blocks in her first two games as a Terp.
Austin averaged 13 points, 13.5 boards and 4.5 blocks in the Terps' first two games.
24 turnovers meant the Terps took 7 fewer shots than the Flyers.
The Terps shot 38.6 percent from the field and 28.6 percent from three.