In 2011, LEGO released 2 City Trains sets, all of these sets have been retired. For that year, the total price of all retail sets cost $180, today those sets are valued around $427, a growth of 137%.
Most valuable 2011 LEGO City Trains set
3677 Red Cargo Train $396.80
Most owned 2011 City Trains set
7499 Flexible and Straight Tracks
Theme / Subtheme City / Trains
Year 2011
Pieces / Minifigs 831 / 4
Availability Retired
3677 LEGO City Red Cargo Train
Retail $159.99
Value $396.80
Growth  +148.0%
Annual growth 6.5%
Theme / Subtheme City / Trains
Year 2011
Pieces 24
Availability Retired
7499 LEGO City Flexible and Straight Tracks
Retail $19.99
Value $29.91
Growth  +49.6%
Annual growth 3.3%