LEGO 858 Auto Engines is a vintage Technic set from 1980 valued at $921 for new and sealed sets, up 1235% from an original retail price of $69.00. Annual appreciation has averaged 5.80% since release. On the used market, values range from $355 to $435 based on condition.
LEGO set 858 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. Since this set was available only in the United States and a limited number were in production it is extremely uncommon and very difficult to find on the secondary markets. Based on current trends, this set could be valued near $975 within the next year.
Auto Engines (858-1) is a very old and rare LEGO set. It has not been available online or in retail stores in good/new condition for over 2 years. Because of its scarcity, the current estimated value of in new condition of $921.18 may be much lower than its true market value. Released in 1980, sealed sets in good condition are especially difficult to find, often commanding a premium well above estimates.
There are currently no new/sealed listings available for 858 Auto Engines at this time.