At the moment, we have no vehicle suitable for guests or that can fit the whole family in Nairobi. The vehicles we use are a rugged 1993 Landcruiser designed for rough rural roads, another 4WD bus for team outreaches, and a very compact city car employees use to run errands.
We are looking at a 10-15 year old 7 seater Landcruiser, which is the only car that can endure the rough road conditions here in Kenya. (This may sound expensive, but it is due to very high import taxes on cars. A brand new Landcruiser is $145-180k)