It's seen sand for about 10 minutes (and had a heavy bath straight afterwards) and been along beautifully groomed metal tracks through forestry areas, but hasn't been properly dirty.
Which means yes, I am an off-roading virgin.
There, I've said it... and I'm not proud

*flees*
...in saying that, must find newbie friendly terrain with which to give the kids a real car wash to earn their pocket money!
That is all, carry on.