Five other players scored in double figures for the Pistons, who averaged just 88.8 points during their skid. Kyle Singler and Will Bynum each had 16 off the bench.
Thaddeus Young scored 22 points for the Sixers, who have lost three straight after reeling off four consecutive road wins. Michael Carter-Williams added 21 points and Spencer Hawes finished with 16 points, 10 rebounds and six assists.
Detroit outrebounded the Sixers 62-42, tying the Wells Fargo Center record for offensive rebounds with 25. Smith led the way with 13 boards to go with seven assists, five blocks and four steals.
This material may not be published, broadcast, rewritten, or redistributed.