Which American band is considered to be the most commercially successful answer to The Beatles?

The American musical acts in the same success tier as the Beatles are Elvis and Michael Jackson. But the most successful band . . . Eagles.

Five number-one singles and six number-one albums, six Grammy awards. 200 million record sales with two of the top-8 best-selling albums ever made. All 8 Eagles studio albums have gone Platinum with Hotel California at 26 times platinum. 8 of their 11 compilation albums also went platinum. 17 top-40 singles with 5 at number one.

Don Henley, Joe Walsh, and Glen Frey have also had significant solo careers and collected another 3 Grammys, 35 top-40 singles, 6 #1 singles, and 5 platinum albums.