Seriously check out Autopath. If you need a vehicle in the library they will create it at no charge. There is nothing extra to buy other than the yearly subscription. There is no training required because it is so easy to use. I was an expert in about 10 minutes.
Just downloaded it......
(No connection with Autodesk other than using the products in the real world)
IDSP Premium 2014, Civil 3D 2013 (UKIE) Hotfix 3; Win 7 Pro x64
256Gb SSD, 300Gb 15,000 rpm HDD
16Gb Ram Intel Xeon CPU E5-1607 0 @ 3.00GHz (4 CPUs), ~3.0GHz
NVIDIA Quadro 4000, Dual 27" Monitor, Dell T3600