Weird suggestion, but why not an 03 or later Crown Vic with a supercharger kit? (in 03 they went to R&P steering. Huge improvement over the recip ball units that had remained unchanged since, I kid you not, the chassis' introduction in 1978.) Get the Sport model for the uprated suspension, bucket seats, and console shift. Throw on some Edelbrock IAS shocks, graphite suspension bushings, and better wheels, and they can be a pretty snappy looking rig with that a good ride, decent handling, and that whole semi-sleeper old school family /muscle car vibe. If it hadn't been for an elderly driver running a red light I'd still have mine. Silver frost metallic with graphite leather interior. Roomy, comfy, and dirt easy to maintain if you have decent mechanical skills. Also helps that their is a healthy internet contingent of Vic heads that will give you all the help you can handle. Helps that Vics are cheap to buy, too.
Brad