Four wheel disk set-ups tend to have a softer pedal feel by nature and a longer travel then drum brakes. The reason for this is with disk all the way around more fluid is required to move before the pads start to clamp on all four wheels and you won't resistance until all four caliper have resistance. Newer vehicle are worse because of low drag calipers. Quality of pads make a difference as well, semi-met have less compressability than ceramics for instance. With rear drums, if they're set-up close your pedal should be harder and near the top. When they work properly 4-whell disk brakes can offer better braking, myself I'm not sold on the set-up yet. Reason much higher required maintence. Pads don't last as long as drums, rotors usually can't be re-used due to rust and pitting, slider & caliper seizure are also more prominent than front disk systems. Drums brakes can be a PIA to service in some cases, but they do last several times longer with far fewer issues. That having been said, I would recommend bleeding the brakes on this car, it may improve the feel.
