The Prius is more versatile...the Civic Hybrid has more comfortable seats. I chose the versatility and installed lumbar in my Prius. Hands down HSD in the Prius is superior to the Civic Hybrid system. Personal opinion, of course. Choose what feels right and you won't go wrong!

'04 Seaside Pearl #7. Fumoto oil drain, mudflaps, rear bumper scuff protector & rear warn system, compass mirror, EV mode button, 8" subwoofer in right rear cubby & 6" subs under seats, power lumbar in the front seats, Coastaletech hitch w/ Aspen bike/snowboard rack. iPod2car, 2 amps, Alpine component speakers, and DVD video, solid 47 MPG @ 70000 miles.