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 $1,196, a growth of 601%.
Most valuable 1986 LEGO Basic set
1963 Basic Set with Storage Case $270.37
Highest growth 1986 Basic set
391-2 Police Car +3118.67%
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 $82.64
Growth  +1281.9%
Annual growth 6.8%

391-2 Police Car

Theme Basic
Year 1986
Pieces / Minifigs 21 / 1
Availability Retired
391-2 LEGO Police Car
Retail $3.00
Value $96.56
Growth  +3118.7%
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 $57.45
Growth  +1176.7%
Annual growth 6.6%

393-2 Tow Truck

Theme Basic
Year 1986
Pieces / Minifigs 29 / 1
Availability Retired
393-2 LEGO Tow Truck
Retail $5.00
Value $52.51
Growth  +950.2%
Annual growth 6.1%

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 $20.54
Growth  +332.4%
Annual growth 3.0%

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 $29.07
Growth  +512.0%
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 $19.79
Growth  +316.6%
Annual growth 3.6%

803 Extra Bricks Yellow

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
803 LEGO Extra Bricks Yellow
Retail $4.75
Value $17.38
Growth  +265.9%
Annual growth 3.0%

804 Extra Bricks Black

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 62
Availability Retired
804 LEGO Extra Bricks Black
Retail $4.75
Value $21.56
Growth  +353.9%
Annual growth 3.9%

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 $25.04
Growth  +427.2%
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 $27.49
Growth  +478.7%
Annual growth 4.5%

808 Wheels and Tyres

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 40
Availability Retired
808 LEGO Wheels and Tyres
Retail $4.75
Value $18.61
Growth  +291.8%
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 $23.01
Growth  +384.4%
Annual growth 2.3%

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 $21.02
Growth  +342.5%
Annual growth 4.4%

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 $40.73
Growth  +757.5%
Annual growth 5.3%

813 Baseplate, Green

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
813 LEGO Baseplate, Green
Retail $4.49
Value $13.26
Growth  +195.3%
Annual growth 4.4%

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 $19.08
Growth  +389.2%
Annual growth 2.7%

815 Baseplate, Grey

Theme / Subtheme Basic / Supplementaries
Year 1986
Pieces 1
Availability Retired
815 LEGO Baseplate, Grey
Retail $7.49
Value $22.61
Growth  +201.9%
Annual growth 2.4%

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 $76.19
Growth  +702.8%
Annual growth 6.0%

1511 Basic Building Set

Theme Basic
Year 1986
Pieces 59
Availability Retired
1511 LEGO Basic Building Set
Retail $19.95
Value $55.55
Growth  +178.4%
Annual growth 2.6%

1523-2 Basic Building Set

Theme Basic
Year 1986
Pieces 27
Availability Retired
1523-2 LEGO Basic Building Set
Retail $1.49
Value $22.62
Growth  +1418.1%
Annual growth 5.5%

1524-2 Basic Building Set

Theme Basic
Year 1986
Pieces 38
Availability Retired
1524-2 LEGO Basic Building Set
Retail $1.49
Value $19.52
Growth  +1210.1%
Annual growth 11.5%

1555 Santa Claus

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 19
Availability Retired
1555 LEGO Santa Claus
Retail $1.00
Value $8.81
Growth  +781.0%
Annual growth 6.1%

1556 Christmas Hearts

Theme / Subtheme Basic / Seasonal
Year 1986
Pieces 10
Availability Retired
1556 LEGO Christmas Hearts
Retail $3.99
Value $23.40
Growth  +486.5%
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 $106.49
Growth  +309.7%
Annual growth 3.6%

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 $270.37
Growth  +1590.9%
Annual growth 8.0%