In 2010, LEGO released 4 City Trains sets, all of these sets have been retired. For that year, the total price of all retail sets cost $380, today those sets are valued around $879, a growth of 131%.
Most valuable 2010 LEGO City Trains set
7939 Cargo Train $390.43
Highest growth 2010 City Trains set
7936 Level Crossing +381.54%
Most owned 2010 City Trains set
7938 Passenger Train
4 sets

7936 Level Crossing

Theme / Subtheme City / Trains
Year 2010
Pieces / Minifigs 142 / 1
Availability Retired
7936 LEGO City Level Crossing
Retail $19.99
Value $96.26
Growth  +381.5%
Annual growth 8.1%

7937 Train Station

Theme / Subtheme City / Trains
Year 2010
Pieces / Minifigs 361 / 6
Availability Retired
7937 LEGO City Train Station
Retail $49.99
Value $137.42
Growth  +174.9%
Annual growth 3.9%

7938 Passenger Train

Theme / Subtheme City / Trains
Year 2010
Pieces / Minifigs 669 / 3
Availability Retired
7938 LEGO City Passenger Train
Retail $129.99
Value $254.72
Growth  +96.0%
Annual growth 3.5%

7939 Cargo Train

Theme / Subtheme City / Trains
Year 2010
Pieces / Minifigs 839 / 5
Availability Retired
7939 LEGO City Cargo Train
Retail $179.99
Value $390.43
Growth  +116.9%
Annual growth 3.2%