In 2005, LEGO released 3 Racers Value Packs sets, all of these sets have been retired. For that year, the total price of all retail sets cost $80, today those sets are valued around $533, a growth of 666%.
Most owned 2005 Racers Value Packs set
65573 Rumble Racers
Theme / Subtheme Racers / Value Packs
Year 2005
Pieces 310
Availability Retired
65573 LEGO Rumble Racers
Retail $19.99
Value $183.36
Growth  817.3%
Annual growth 9.1%
Theme / Subtheme Racers / Value Packs
Year 2005
Pieces 348
Availability Retired
65706 LEGO Racers Co-Pack
Retail $29.99
Value $207.42
Growth  591.6%
Annual growth 10.7%
Theme / Subtheme Racers / Value Packs
Year 2005
Pieces 380
Availability Retired
65826 LEGO Racers Value Pack
Retail $29.99
Value $142.01
Growth  373.5%
Annual growth 8.5%