One problem related to engine has been reported for the 2003 Subaru Impreza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Subaru Impreza based on all problems reported for the 2003 Impreza.
At 15,000km past warranty, I submitted my car for service and was told the engine was leaking fluids, required new head gaskets, new transmission mounts and sway bar bushings. Barrie Subaru did not show much interest in the amount of work required on a vehicle that had been on the road for less than 3 years.