What is the difference between the 4000, 4000s and 4000e? Did any of these models come with the 5 cylinder? Also are there any differences between Coupe models (other than Quattro)? Thanks, Tom \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ McKenzie Consulting Tom McKenzie 550 Clipper St. San Francisco, CA 94114 415-641-5982