Bought the car in 2006 when it was less than 3 years old, with 47,000 kms (about 30,000 miles). Now it has 192,000 kms (120,000 miles).
I still love the car, while my wife hated it from the beginning. Very fun to drive, very practical, had less mechanical problems than the 2002 Corolla that we purchased new. Had to replace the original speakers and install an amplifier to have a decent sound. Stiff suspension and loud road noise are a deterrent for many, but that just adds to the overall fun. Recently the rear wheel wells and the doors started to show some rust. Mechanically it was quite robust, only two minor problems so far, an ABS sensor and a tie rod.
Versatility, rear seat leg room (while the car is 3.5" shorter than the 2002 Corolla it has more rear leg room).
All Protege's I've sees these days started to show some rust. Stock stereo is extremly weak. Lack of outdoor thermometer. Could use a 6th gear for the manual tranny. Fuel mileage is below the average for this class.