It was the final exhibition game for both teams.
Louis Williams scored 17 points for the Hawks (3-4).
With starting power forward Jason Maxiell in foul trouble, Pistons rookie Andre Drummond got extended minutes with the starters and finished with 13 points and 10 rebounds. The ninth overall pick in this year's draft also blocked two shots.
Tayshaun Prince added 15 points on 7-of-12 shooting for Detroit (4-4).
After finishing the preseason undefeated at home, Detroit will host Houston in its opener on Wednesday. The Rockets then travel to Atlanta to face the Hawks in their opener on Friday.
The latest notes, updates and analysis on the Heat from around the web.
A road trip to Toronto has put Cleveland in a precarious spot, as the Raptors have shaved away the Cavs' margin for error in tying the series.
After being left for dead after the first two games of the Eastern Conference Finals, the Raptors follow up a big Game 3 victory with an equally impressive win in Game 4 to tie the series heading back to Cleveland.