I would like to give you the price of private transportation for rent:

Transportation

Private Car
VND

Private Van
VND
Duration
HCM -Cu Chi Tunnel (Benh Dinh)-60km USD 55 = 78AUD=1.250.000 VND USD 68=AUD 96= 1.592.000 VND 6 hours
HCM -Cu Chi Tunnel (Benh Duoc)-80km USD 65 = 76AUD=1.500.000 VND USD 78=AUD 116= 1.810.000 VND 7 hours
HCM – Can Tho-180km USD 108= AUD 160 =VND 2.500.000 USD 125= AUD 186 =VND 2.900.000 4 hours
Phu My Port – Saigon- Phu My Port-80km x 2times USD 147 = AUD 218 =3.400.000 VND 160USD =AUD 238 =3.700.000VND 8 hours
HCM – Vung Tau- HCM- 300km USD95 =AUD 141 = VND 2.200.000 USD 120 = AUD 178 =VND 2.700.000 8 hours