The Pistons have the NBA's longest current winning streak. They were 5-23 before starting the streak Dec. 26.
Dallas also had entered the game with a six-game winning streak.
The Mavericks, who did not lead in the game, pulled within 81-77 8:10 to play. Augustin then made two 3-point shots to increase the lead to 10 points. He did not start, and played only 22 minutes.
Greg Monroe led the Pistons with 27 points and had 18 rebounds. Brandon Jennings added 14 points, and Jodie Meeks had 11. Andre Drummond had a game-high 19 rebounds for Detroit, which outrebounded the Mavericks 60-43.Dallas' Dirk Nowitzki scored 19 points, while Monta Ellis had 16, Chandler Parsons 15 and Devin Harris 14.