In 2014, LEGO released 3 City Trains sets, all of these sets have been retired. For that year, the total price of all retail sets cost $415, today those sets are valued around $740, a growth of 78%.
Most valuable 2014 LEGO City Trains set
60052 Cargo Train $385.79
Most owned 2014 City Trains set
60051 High-Speed Passenger Train
3 sets

60050 Train Station

Theme / Subtheme City / Trains
Year 2014
Pieces / Minifigs 423 / 5
Availability Retired
60050 LEGO City Train Station
Retail $64.99
Value $120.97
Growth  +86.1%
Annual growth 6.5%

60051 High-Speed Passenger Train

Theme / Subtheme City / Trains
Year 2014
Pieces / Minifigs 610 / 3
Availability Retired
60051 LEGO City High-Speed Passenger Train
Retail $149.99
Value $233.43
Growth  +55.6%
Annual growth 4.3%

60052 Cargo Train

Theme / Subtheme City / Trains
Year 2014
Pieces / Minifigs 888 / 6
Availability Retired
60052 LEGO City Cargo Train
Retail $199.99
Value $385.79
Growth  +92.9%
Annual growth 5.5%