Couple of thoughts... is it possible that your springs were previously replaced, maybe with station wagon springs or similar? (that was the case with my car). Also, I think many of these aftermarket springs are somewhat generic, and designed to "kind of fit" many applications. I replaced my front springs with Moogs, which sit higher than stock specs, but needed with my 225/70/15 tires.
I replaced my rears with stock replacements, but needed a little more lift to match up with the higher front end. Like many here, I installed a set of $80 air bags, which provide unlimited adjustments for heavier loads in the trunk, extra passengers, etc. i used existing holes under the rear bumper to install the air valves, so no drilling or mods to install the air bags. Maybe took 30 min start to finish.