Most dominant seasons in Phoenix Suns history

While championships often define legacy, regular-season dominance can reveal just as much about a team's peak performance. From record-setting win totals to historically efficient offenses and suffocating defenses, these seasons represent the highest sustained levels of excellence each franchise has reached.

Stacker compiled a list of the most dominant seasons in Phoenix Suns history using data from Stathead. Seasons are ranked by Simple Rating System (SRS), which measures point differential adjusted for strength of schedule. Developed by Sports Reference, SRS measures a team's average point differential while adjusting for strength of schedule, making it one of the clearest ways to compare teams across eras.

Here's a look at the five most dominant seasons in team history.

#5. 1988-89 Season
- Record: 55-27
- SRS: 6.84 (#92 all-time SRS rank)
- Head Coach: Cotton Fitzsimmons
- Leading Scorer: Tom Chambers (25.7 PPG)

#4. 2021-22 Season
- Record: 64-18
- SRS: 6.94 (#85 all-time SRS rank)
- Head Coach: Monty Williams
- Leading Scorer: Devin Booker (26.8 PPG)

#3. 2004-05 Season
- Record: 62-20
- SRS: 7.08 (#82 all-time SRS rank)
- Head Coach: Mike D'Antoni
- Leading Scorer: Amar'e Stoudemire (26.0 PPG)

#2. 1989-90 Season
- Record: 54-28
- SRS: 7.09 (#80 all-time SRS rank)
- Head Coach: Cotton Fitzsimmons
- Leading Scorer: Tom Chambers (27.2 PPG)

#1. 2006-07 Season
- Record: 61-21
- SRS: 7.28 (#69 all-time SRS rank)
- Head Coach: Mike D'Antoni
- Leading Scorer: Amar'e Stoudemire (20.4 PPG)