I am STILL driving the 2001 silver civic I picked out when I was 11... When I hit abour 60mph, the whell starts vibrating so hard, driving becomes a 2-hand job (seriously, I have to drive with both hands). Out of ALL the things this 19 years, not ONCE has the seat vibrated. At most, I've just felt something rotating wiggly throught the wheel or through my foot.
The only driving 'vaginal' vibrations I've ever felt was driving over potholes and ass-patched potholes, and TRUST me, I was more worried about the vibrations it did to my car than to me. Worried about driving vaginal vibes? Keep the roads smooth.
The only time driving my car gave me sexual eurphoria was because I was doing 40 over the speed limit at night and the adrenaline was better than sex. (Inb4, not a soul was around me the whole time, and I was on a parkway where EVERYBODY routinely goes 25-30 over the limit. So think autobahn, but the speed limit signs only apply to some people. If you actually do the limit on this parkway, you'll cause an accident.)