According to recent information shared by video game industry analyst Mat Piscatella, Gran Turismo 7 is now the highest-grossing title in the entire series in the US market.
Piscatella, a well-known analyst for industry data specialist Circana (formerly NPD), regularly shares US market games sale
Worth noting it’s 1st only in gross profits, 5th in copies sold. 1st place in that regard is still GT3 A-spec. The article mentions increases in price per unit is why its the highest grossing
Assuming this hasn’t been adjusted for, possibly because it was bundled with the ps2 in a lot of places