ABBA has sold more records than Aerosmith.
The info is outdated but in 2010, U2 has sold more records than Aerosmith.
Aerosmith by 134, 000, 000 Albums!
Both musical acts sold millions, but considering that Back In Black sold more than any Dylan album, ACDC have sold slightly more records.
Even though Bob Dylan was an established artist before Elton John, the latter has sold more records
Bob Dylan's been around much longer than Linkin Park, so he's sold more records than they have.
Aerosmith is more popular than Megadeth, because they get played on the radio a lot more than Megadeth and sold more records as well.