There is lots to consider to make an informed choice, and you need to be really clear about what layout you need, as we have bought motorhomes with just about every layout imaginable and it only took us 10 years to find the perfect set up of twin single beds to allow us to have a good sized, rear width toilet/shower as I paddleboard and have always found the standard sized rooms limiting. This layout also futureproofs us, as we are not as agile as we once were and not having ladders for bedtimes is fantastic, and not climbing over one another to go to the loo during the night is bliss.
Other factors and observations we have gleaned over the last 10 years:
* The Renault Master based chassis, ideally with the Al-Ko rear are a million times better than the Sevel offerings for reliability, comfort and drivability. Mercedes are very good, but generally more expensive. I would avoid the Sevel vans like the plague.
* Look at higher perceived brands such as Hymer, Burstner, etc. We have the latter now (2007 year), and it is the second best built we have ever had after a very old 1988 Eriba Bali that was just bulletproof, as was our Devon Monte Carlo. We had a CI Carioca and a McLouis, which whilst both were decent enough, the quality was not great and I had major water ingress issues with the CI that was eye wateringly expensive to fix.
* Give consideration to buying a van from France, Spain or Germany if you can put up with left hand drive, as they generally don’t have rusting issues and in most cases are in far better condition. Our Burstner came from France, and I have previously imported VW Westfalias from Germany for those reasons. EU vans are also better specced, with cab AC, habitation fans/AC sometimes,
solar, satellite dishes etc.
* Check the appliances makes/models, as some heaters are now obsolete and parts are impossible to get. This also applies to Omnistor awnings, safari rooms and steps (as I have recently found out).
* Buy thinking about best value and not the cheapest cost, as that is not always the best option in our experience.
Good luck in your search and hope you find a coachbuilt that suits your needs and gives you exactly what you are after with not a lot of compromises.