Evan Turner chipped in 14 points, eight rebounds and six assists for the Pacers (56-26), who finished with the best record in the East and will have home-court advantage throughout the conference playoffs.
The Central Division champions will start the playoffs against Atlanta in a rematch of last year's first-round series, won in six games by the Pacers. . The teams split this season's four-game series.
Mo Harkless had 14 points to pace the Magic (23-59), who lost their final four games and finished with the third-worst record in the league.
Dewayne Dedmon, who had eight points and 13 rebounds, made a jumper to get the Magic within 46-42 a minute into the second half. The Pacers, though, went on an ensuing 20-6 spurt. Sloan finished off the burst with a 3-pointer.
Indiana held a 75-62 lead after three and widened the gap to as many as 19 in the final quarter.
The Magic led by as many as seven in the first quarter, but later gave up nine straight points and trailed 25-20 after 12 minutes. The visitors led 46-40 at the half.