In 2011, LEGO released 5 Racers Tiny Turbos sets, all of these sets have been retired. For that year, the total price of all retail sets cost $24, today those sets are valued around $285, a growth of 1089%.
Most valuable 2011 LEGO Racers Tiny Turbos set
30036 Buggy Racer $231.78
Highest growth 2011 Racers Tiny Turbos set
8303 Demon Destroyer +150.42%
Most owned 2011 Racers Tiny Turbos set
8302 Rod Rider
5 sets

8301 Urban Enforcer

Theme / Subtheme Racers / Tiny Turbos
Year 2011
Pieces 45
Availability Retired
8301 LEGO Tiny Turbos Urban Enforcer
Retail $5.99
Value $14.25
Growth  +137.9%
Annual growth 4.6%

8302 Rod Rider

Theme / Subtheme Racers / Tiny Turbos
Year 2011
Pieces 48
Availability Retired
8302 LEGO Tiny Turbos Rod Rider
Retail $5.99
Value $11.91
Growth  +98.8%
Annual growth 2.8%

8303 Demon Destroyer

Theme / Subtheme Racers / Tiny Turbos
Year 2011
Pieces 51
Availability Retired
8303 LEGO Tiny Turbos Demon Destroyer
Retail $5.99
Value $15.00
Growth  +150.4%
Annual growth 7.0%

8304 Smokin' Slickster

Theme / Subtheme Racers / Tiny Turbos
Year 2011
Pieces 44
Availability Retired
8304 LEGO Tiny Turbos Smokin' Slickster
Retail $5.99
Value $11.85
Growth  +97.8%
Annual growth 4.7%

30036 Buggy Racer

Theme / Subtheme Racers / Tiny Turbos
Year 2011
Pieces 26
Availability Retired
30036 LEGO Tiny Turbos Buggy Racer
promotional
Value $231.78
Annual growth 13.4%