NHTSA (USA)Critical
Defect
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Cayman GT4, Cayman GTS 4.0, 718 Spyder, and Boxster GTS 4.0 vehicles. The engine connecting rods may crack and loosen.
Safety Risk
A loose connection while driving may cause engine damage, a stall, or an oil leak, increasing the risk of a crash or fire.
Remedy
Porsche will notify owners, and dealers will replace the connecting rods or, as necessary, the engine, free of charge. Owner notification letters were mailed May 21, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMA4.
193 vehicles affectedMfr ref: AMA4Updated June 10, 2026