Hi BCbackroader, may I suggest BF Goodrich All Terrain in size 225/75 R16 ?
In the Netherlands you can get the PHEV with 16" rims.
So the stock rims can be used.
I have very good experience with BFG All Terrain.
Strong tyre, good grip, long life, snow-flake symbol.
Only negative is that the tyres hold little stones, and fling them into the wheel-arces.
A 75 series tyre has a higher sidewall is better off-road, you can even air them down in muddy or sandy conditions (without risking damaging the rims).
I do not know if there is enough clearance for this larger tyre.
Maybe problem at the front ?