if you are new in surface modleing you probablly shoul understand that a class modeling his a discipline that is at the top and very special to surface modeling. i dont know about tutorials for this but the tutorial about modeling a sportscar on this side will help you on your way. i assume you already have the beasics about handling the modeling software you want to use and i assume you know already about the technical requirements behind a class modeling. this tutorial will guide you through the modeling process and might be of help to you.
http://aliasdesign.autodesk.com/learning/tutorials/details/Building_a_Sportscar_Exterior_To_133190/
aslo see barry kimbal's tutorials.
All the best
Uwe Rossbacher
“https://damassets.autodesk.net/content/dam/autodesk/logos/autodesk-logo-primary-rgb-black-small_forum.png”