In 2016, LEGO released 4 Icons sets across 4 subthemes, all of these sets have been retired. Subthemes for that year included Buildings, Modular Buildings, Vehicles, and Winter Village. For that year, the total price of all retail sets cost $620, today those sets are valued around $1,486, a growth of 140%.
Most valuable 2016 LEGO Icons set
10251 Brick Bank $623.29
Largest 2016 LEGO Icons set
10253 Big Ben 4,163 pieces
Most owned 2016 Icons set
10252 Volkswagen Beetle
4 sets

10251 Brick Bank

Theme / Subtheme Icons / Modular Buildings
Year 2016
Pieces / Minifigs 2,380 / 6
Availability Retired
10251 LEGO Brick Bank
Retail $169.99
Value $623.29
Growth  +266.7%
Annual growth 17.8%

10252 Volkswagen Beetle

Theme / Subtheme Icons / Vehicles
Year 2016
Pieces 1,167
Availability Retired
10252 LEGO Volkswagen Beetle
Retail $99.99
Value $183.59
Growth  +83.6%
Annual growth 10.9%

10253 Big Ben

Theme / Subtheme Icons / Buildings
Year 2016
Pieces 4,163
Availability Retired
10253 LEGO Big Ben
Retail $249.99
Value $468.84
Growth  +87.5%
Annual growth 6.4%

10254 Winter Holiday Train

Theme / Subtheme Icons / Winter Village
Year 2016
Pieces / Minifigs 734 / 5
Availability Retired
10254 LEGO Winter Holiday Train
Retail $99.99
Value $209.99
Growth  +110.0%
Annual growth 11.4%