AC/DC, but only because there more widely known!
AC DC sold more albums in general than Metallica did, so AC DC is more popular; plus, AC DC's music is much more fun, Metallica's music is kind of annoying after awhile.
Definitely AC/DC
Frank Sinatra has sold more than 150 million records worldwide, whereas AC/DC has sold more than 200 million records.
No more likely he will be sold to Manchester City.
Beavis from Beavis and Butt Head wears a Metallica shirt while Butt HEad wears an AC/DC shirt
That is a matter of personal preference, they have sold more albums/CD's than KISS.
Both bands compete in terms of fame, but Back in Black by AC DC sold more than any of Zeppelin's albums.
AC/DC sold more records than Black Sabbath, but Sabbath came before AC/DC, have a larger body of work, and are more versatile musicians.
metallica, also some daft punk and some ac/dc, disturbed.....stuff like that
Metallica, AC/DC, Led Zeppelin, Motorhead, Black Sabbath
In America and Canada, Def Leppard have sold more records; but everywhere else in the world, Iron Maiden have sold more records. So generally, Iron Maiden have sold more records around the world than Def Leppard.
Metallica played their largest show in September 1991 in moscow. Together with AC/DC, Pantera and others. The show was free for the audience. There were 500.000 freaks.This is also documented on Video(Warner Brothers). Metallica are with 3 songs from that show on the video.