A focused blog post built around practical decisions and constraints.
Most buyers arrive with a model in mind and leave with a different one. The reason is rarely the vehicle itself. It is the format: coachbuilt, semi-integrated, 4x4 bush camper or panel van conversion. Each one solves a different problem, and picking the wrong shape costs more than picking the wrong badge.
Start with the licence code. A semi-integrated at 3 500 kg GVM stays on a code B licence, which suits anyone who does not want to sit another test. Step up to a coachbuilt at 4 500 kg and you need C1. That single figure decides more layouts than most spec sheets admit, because it caps the body length and the water and fuel you can carry.
Where the format starts to show its limits
Ground clearance is the second filter. A coachbuilt with 210 mm will handle gravel park roads and graded tracks into Etosha or the Karoo, but it will not enjoy deep sand. A 4x4 bush camper with 265 mm and a locking rear diff is built for that, at the cost of interior space and standing height when the pop-top is down.
Water and power follow the same logic. Two people on a long trip want 100 L fresh and a 200 W solar panel; a couple doing weekend campsites can live with 80 L and a 160 W panel. If your route has no hookups for four days, the smaller setup becomes the constraint, not the engine.
Sleeping configuration is where most first-time buyers overreach. A rear island bed over a garage is comfortable and swallows bikes and gas bottles, but it adds length. A French bed in a 6.4 m semi-integrated fits standard campsites and tight turning circles. Neither is better; they answer different questions about how you actually travel.
Matching the format to the trip
Write down three things before you compare listings: how many berths you need on a normal trip, the worst road you expect to drive, and how many nights you will spend without power. Those three answers narrow the catalogue faster than any filter. Berths, transmission and engine size matter, but they are secondary to the format decision.
If you are still weighing options, the layout and spec breakdown covers body lengths, wheelbase and tank figures side by side. For a worked example of the same decision from a buyer's side, the earlier note on what to prepare before a first consultation is a useful companion read.