[HeyLaughingBoy]

Unimogs aren't very big, especially not compared to modern full size SUVs. I don't have one (wish I did!), but I doubt that the maintenance is difficult: I already repair all our vehicles except the newest one that's still under warranty.

[edit] However the prices have increased since I last looked. A truck dealership near me used to sell them, but not for $100k+

[driverdan]

A 1960's Unimog may not be that large but those aren't what we're talking about. Most overland trucks you'll find in Africa and South America are modern cab-over 4x4 chassis (Unimog, other Merc models, Mann, Fuso, etc), in the range of 20ft (6m) long, 8ft (2.4m) wide, and 10ft (3m) high. The cutaway chassis alone is $50-75k new.