987c · 981c · 718c · All Generations

Porsche Cayman — Generation Guide

The Cayman is Porsche's mid-engine coupe — a sports car that many drivers and journalists consider better handling than the 911 at a lower price point. The same generational IMS considerations that apply to the Boxster apply here, with the added benefit of the fixed-roof coupe structure.

The Cayman's Place in the Porsche Lineup

Porsche introduced the Cayman in 2006 as a fixed-roof version of the 987 Boxster platform. The coupe structure provides additional chassis rigidity over the convertible, and the mid-engine placement gives the Cayman a weight balance that some consider superior to the rear-engined 911 for pure handling precision. Porsche has historically limited the Cayman's power to protect the 911's market position — a dynamic that has generated as much debate among enthusiasts as the IMS bearing itself.

The Cayman and Boxster share engines and therefore share the IMS bearing concern on early generations. The 987c (2006–2012) splits at the same 2009 point as the Boxster: 987.1 Cayman uses the sealed IMS bearing, 987.2 Cayman (2009–2012) uses the direct-oil-fed design.

987c: First Generation (2006–2012)

Contact German Auto Doctor for current pricing and scheduling.

981c: The Matured Mid-Engine (2013–2016)

Contact German Auto Doctor for current pricing and scheduling.

718c: Current Generation (2016+)

Like the Boxster, the 718 Cayman moved to a turbocharged flat-four for the standard lineup. The 718 Cayman GT4 (2019+) restored the naturally-aspirated 4.0 flat-six — the same engine as the 911 GT3. The 718 GT4 RS added 500 hp and motorsport-spec components. For the driver who wants the most Porsche performance in a mid-engine package, the 718 GT4 or GT4 RS is the apex of the current Cayman lineup. The standard 718 turbo four is competent but polarizing among Porsche enthusiasts who prefer the flat-six character.

Cayman vs. Boxster: Which to Choose

The Cayman and Boxster share platforms and engines, so the choice is mostly about body style preference and price differential. Caymans typically command a small premium over comparable Boxsters due to the coupe structure's rigidity and the perception of the harder top as more of a sports car. The convertible Boxster provides the open-air experience and is otherwise mechanically identical. Either is excellent. For buyers purely maximizing performance per dollar, Boxster and Cayman are interchangeable — choose based on body style preference and whichever specific example has better documentation.