In 2001, LEGO released 2 Advanced Models sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Aircraft and Sculptures. For that year, the total price of all retail sets cost $149, today those sets are valued around $3,261, a growth of 2088%.
Most valuable 2001 LEGO Advanced Models set
3724 LEGO Dragon $2,997.27
Most owned 2001 Advanced Models set
3451 Sopwith Camel
2 sets

3451 Sopwith Camel

Theme / Subtheme Advanced Models / Aircraft
Year 2001
Pieces 574
Availability Retired
3451 LEGO Aircraft Sopwith Camel
Retail $49.99
Value $263.23
Growth  +426.6%
Annual growth 6.9%

3724 LEGO Dragon

Theme / Subtheme Advanced Models / Sculptures
Year 2001
Pieces 1,530
Availability Retired
3724 Sculptures LEGO Dragon
Retail $99.00
Value $2,997.27
Growth  +2927.5%
Annual growth 9.6%