I have too many cars and too much time.
Height of Town & Country Chrysler Minivan Seat (ground to front edge): 30"
Height of Honda Civic Seat (ground to front edge of seat) : 19"
Height of Smart Fortwo Seat (ground to front edge of seat) : 26"
Distance from back of drivers seat to lower portion of windshield, with drivers seat in semi reclined position (only position on smart), and in fully rear most position:
Town & Country: 60"
Honda Civic: 48"
Smart Fortwo: 60" (Yep!)
Ron Gaus, aSmartCar.com