In 1973, LEGO released 4 LEGOLAND Vehicle sets, all of these sets have been retired. For that year, the total price of all retail sets cost $15, today those sets are valued around $1,174, a growth of 7750%.
Most valuable 1973 LEGOLAND Vehicle set
611 Police Car $715.46
Largest 1973 LEGOLAND Vehicle set
381 Lorry and Fork Lift Truck 86 pieces
4 sets

381 Lorry and Fork Lift Truck

Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 86
Availability Retired
381 LEGOLAND Lorry and Fork Lift Truck
Retail $8.49
Value $198.63
Growth  +2239.6%
Annual growth 6.1%

420 Police Car

Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 19
Availability Retired
420 LEGOLAND Police Car
Retail $1.49
Value $146.69
Growth  +9745.0%
Annual growth 9.7%

611 Police Car

Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 19
Availability Retired
611 LEGOLAND Police Car
Retail $3.49
Value $715.46
Growth  +20400.3%
Annual growth 17.9%

653 Ambulance and Helicopter

Theme / Subtheme LEGOLAND / Vehicle
Year 1973
Pieces 37
Availability Retired
653 LEGOLAND Ambulance and Helicopter
Retail $1.49
Value $113.60
Growth  +7524.2%
Annual growth 8.4%