>>1178317A 1970 Schwinn Paramount cost $2000 in 2018 dollars
1982 Trek 950 with Super Record - $3,500
1985 Cannondale SR 900 with Super Record - $2,300
1993 Bridgestone RB-1 with Ultegra - $2,500
So 2-3k would be fairly normal for a high end bike, but top-end bikes are more expensive now because of the expenses that companies incur in producing carbon fiber frames and parts.