Otherwise, I highly doubt a more powerful engine will be available. The Protege and Protege5 will be redesigned for the 2004 model year. It will move to a totally new platform shared with the redesigned 2004 Ford Focus. The engines will be a 2.0L DOHC I4 and a 160hp 2.3L DOHC I4 with Sequential Valve Timing (S-VT) and 152 lb-ft of torque. See the pic of the new engine here. Mazda has an excellent overview of the new 2.3L engine on their website (go to Vehicles... Future Models... Mazda 6 More information...).