Cars that do not belong in the fast lane: (Inspired by Ortho's recent post) →[More:]
Volvo 240DL *
Geo (any)
Toyota Tercel
Chevy Corvette**
Peugeot 505
Mercedes diesel sedans <1990
VW Fox
Anything with the driver on the phone
What's on your list of rolling roadblocks?
* Chevy V8 conversions excepted
** Corvettes are capable, the problem is the driver