Four people and luggage and supplies, in addition to driver and luggage, is way bigger than most cars can handle. I would suggest that you be very flexible. You could get lucky with a schoolbus or multiple cars in a caravan, but keep in mind that 1985 may not have been early enough.
The Lady with a Lamprey
"The powerful are exploiting people, art and ideas, and this leads to us plebes debating how to best ration ice.
Man, no wonder they always win....." Lonesomebri
Get a Taint, you pathetic cur!