In 1986, LEGO released 27 Basic sets across 3 subthemes, all of these sets have been retired. Subthemes for that year included Seasonal, Supplementaries, and Universal Building Set. For that year, the total price of all retail sets cost $171, today those sets are valued around $1,174, a growth of 587%.
Most valuable 1986 LEGO Basic set
1963 Basic Set with Storage Case $272.75
Highest growth 1986 Basic set
391-2 Police Car +3005.67%
Largest 1986 LEGO Basic set
1619 Storage Container 260 pieces
Most owned 1986 Basic set
1555 Santa Claus
27 sets

390 Helicopter

Theme / Subtheme Basic / Universal Building Set
Year 1986
Pieces / Minifigs 24 / 1
Availability Retired
390 LEGO Helicopter
Retail $5.98
Value $80.57
Growth  +1247.3%
Annual growth 6.7%

391-2 Police Car

Theme Basic
Year 1986
Pieces / Minifigs 21 / 1
Availability Retired
391-2 LEGO Police Car
Retail $3.00
Value $93.17
Growth  +3005.7%
Annual growth 5.0%

392-2 Fire Engine

Theme Basic
Year 1986
Pieces / Minifigs 23 / 1
Availability Retired
392-2 LEGO Fire Engine
Retail $4.50
Value $56.13
Growth  +1147.3%
Annual growth 6.5%

393-2 Tow Truck

Theme Basic
Year 1986
Pieces / Minifigs 29 / 1
Availability Retired
393-2 LEGO Tow Truck
Retail $5.00
Value $51.55
Growth  +931.0%
Annual growth 6.0%

800-2 Extra Bricks Red

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 120
Availability Retired
800-2 LEGO Extra Bricks Red
Retail $4.75
Value $19.19
Growth  +304.0%
Annual growth 2.9%

801-2 Extra Bricks Blue

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 82
Availability Retired
801-2 LEGO Extra Bricks Blue
Retail $4.75
Value $28.56
Growth  +501.3%
Annual growth 4.4%

802-2 Extra Bricks White

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 30
Availability Retired
802-2 LEGO Extra Bricks White
Retail $4.75
Value $17.56
Growth  +269.7%
Annual growth 2.0%

803 Extra Bricks Yellow

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
803 LEGO Extra Bricks Yellow
Retail $4.75
Value $20.45
Growth  +330.5%
Annual growth 3.3%

804 Extra Bricks Black

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
804 LEGO Extra Bricks Black
Retail $4.75
Value $20.91
Growth  +340.2%
Annual growth 3.8%

805 Extra Bricks Grey

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
805 LEGO Extra Bricks Grey
Retail $4.75
Value $5.01
Growth  +5.5%

806 Extra Plates Blue

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 42
Availability Retired
806 LEGO Extra Plates Blue
Retail $4.75
Value $24.66
Growth  +419.2%
Annual growth 2.6%

807 Extra Plates Red

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 42
Availability Retired
807 LEGO Extra Plates Red
Retail $4.75
Value $26.25
Growth  +452.6%
Annual growth 2.4%

808 Wheels and Tyres

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 40
Availability Retired
808 LEGO Wheels and Tyres
Retail $4.75
Value $19.07
Growth  +301.5%
Annual growth 3.5%

809 Doors and Windows

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 38
Availability Retired
809 LEGO Doors and Windows
Retail $4.75
Value $24.90
Growth  +424.2%
Annual growth 4.2%

811 Red Roof Bricks, Steep Pitch

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 59
Availability Retired
811 LEGO Red Roof Bricks, Steep Pitch
Retail $4.75
Value $14.42
Growth  +203.6%
Annual growth 5.0%

812 Red Roof Bricks, Shallow Pitch

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 101
Availability Retired
812 LEGO Red Roof Bricks, Shallow Pitch
Retail $4.75
Value $38.80
Growth  +716.8%
Annual growth 5.0%

813 Baseplate, Green

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
813 LEGO Baseplate, Green
Retail $4.49
Value $12.02
Growth  +167.7%
Annual growth 4.6%

814 Baseplates, Green, Red and Yellow

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 3
Availability Retired
814 LEGO Baseplates, Green, Red and Yellow
Retail $3.90
Value $18.38
Growth  +371.3%
Annual growth 2.6%

815 Baseplate, Grey

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
815 LEGO Baseplate, Grey
Retail $7.49
Value $18.16
Growth  +142.5%
Annual growth 1.7%

816 Lighting Bricks, 4.5V

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 18
Availability Retired
816 LEGO Lighting Bricks, 4.5V
Retail $9.49
Value $73.13
Growth  +670.6%
Annual growth 6.2%

1511 Basic Building Set

Theme Basic
Year 1986
Pieces 59
Availability Retired
1511 LEGO Basic Building Set
Retail $19.95
Value $48.42
Growth  +142.7%
Annual growth 2.2%

1523-2 Basic Building Set

Theme Basic
Year 1986
Pieces 27
Availability Retired
1523-2 LEGO Basic Building Set
Retail $1.49
Value $20.77
Growth  +1294.0%
Annual growth 5.9%

1524-2 Basic Building Set

Theme Basic
Year 1986
Pieces 38
Availability Retired
1524-2 LEGO Basic Building Set
Retail $1.49
Value $17.08
Growth  +1046.3%
Annual growth 6.3%

1555 Santa Claus

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 19
Availability Retired
1555 LEGO Santa Claus
Retail $1.00
Value $9.71
Growth  +871.0%
Annual growth 8.1%

1556 Christmas Hearts

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 10
Availability Retired
1556 LEGO Christmas Hearts
Retail $3.99
Value $22.98
Growth  +475.9%
Annual growth 4.5%

1619 Storage Container

Theme Basic
Year 1986
Pieces / Minifigs 260 / 4
Availability Retired
1619 LEGO Storage Container
Retail $25.99
Value $119.06
Growth  +358.1%
Annual growth 3.9%

1963 Basic Set with Storage Case

Theme Basic
Year 1986
Pieces / Minifigs 215 / 1
Availability Retired
1963 LEGO Basic Set with Storage Case
Retail $15.99
Value $272.75
Growth  +1605.8%
Annual growth 8.4%