Suitability of Avan Aliner for Outback Travel

If the build is as good as our Avan "Tayla" 17ft dual axle poptop , then you should not have any problems at all. We have been over some of the roughest roads in Aus. with it and have no dramas,creek crossings,horrendous corrugations , dusty roads, rocky roads,then got a broken spring on a smooth wet dirt road...aaahhh the joys of motoring..cheers

Not sure if you will encounter the gibber roads, but we nearly wrecked the front of our Avan with stones when we tranvelled in these areas some years ago.Definitly need a stone guard in case.

We had an AVan for 10 years until 2012. It was the "off-road" version (which means a couple of inches of lift and light truck tyres, plus a heavier frame), and it took pretty much everything we threw at it.
That included some reasonably rough gravel around Flinders Ranges, Oodnadatta Track, Gulf roads around Lawn Hill, Burketown, Normanton etc, and also towed it across the Gibb River Road (a few surprised travellers congratulated us on that effort).
Destroyed a couple of sets of wheel bearings on the Gibb, but the suspension and chassis stood up to the pain, and we didn't have any significant dust problems. With proper attention to tyre pressures and covering of vents we managed rough surfaces and water crossings without any problem.
Not sure if the later model A-vans are as robust, and I don't think they market an offroad version. We've since changed over to a TVan because we do a lot of bush and desert travel and need the hitch articulation and clearance for dunes, rock scrambling, creek crossings etc.
But I was constantly surprised by just how durable our old A-van was.
Just make sure you regularly check for any early warning signs of problems, and drive to the conditions.
Cheers

Yes, I had one. Took it on one outback trip from Sydney to Carnarvon gorge, mostly sealed roads, but in Qld they were bouncy, not rough, just gave the suspension a workout. Met the microwavd at the door on one occasion. At home 6 inches at each end of each long hinge was cracked and every screw in the interior cabinet work had to be tightened.
We sold it and bought something stronger.
Cheers