Who is the most successful in terms of album/single sales… The Carpenters or the Beach Boys?
The Beach Boys by far. According to Billboard, in terms of singles and album sales, The Beach Boys are the No. 1-selling American band of all time. Over 100 million albums sold. The Beach Boys have had thirty-six U.S. Top 40 hits (the most of any U.S. rock band) and fifty-six Hot 100 hits, including four number one singles. Carpenters had three #1 singles on the Billboard Hot 100 and fifteen #1 hits on the Adult Contemporary Chart. In addition, they had twelve top 40 singles (including their #1 hits).