LEGO 8858 Auto Engines is a vintage Technic set from 1980 valued at $1,113 for new and sealed sets, up 1514% from an original retail price of $69.00. Annual appreciation has averaged 6.24% since release. On the used market, values range from $134 to $168 based on condition.
LEGO set 8858-2 Auto Engines was a 460 piece Expert Builder Technic set released in 1980 in the United States. The set features instructions for 4 different engines including a 3 cylinder inline engine, a V6 engine, a 6 cylinder horizontally opposed engine, and a 2-cycle engine. The details for each engine feature reciprocating rectangular pistons, spark plug wires, and belts all from TECHNIC parts.
A new and sealed Auto Engines is currently valued at around $1,113, with annual growth of approximately 6%. The average used price is $140 for those in good overall condition. New and sealed listings currently range from $583 to $1,208. Based on current trends, this set could be valued near $1,177 within the next year.