The Niewiadows come in two categories: the smaller E, ET and D models with the lifting roof like an Eriba and the larger fixed roof N, NT and NTL models - confusingly, they're all called N-126!
Smaller models (E, ET, D):
Overall 153" (12.75') long x 76" wide x 86" high
1170lb unladen, 1430lb GVWR equivalent
Prices are about $(US) 6300-7000
Larger models (N, NT, NTL):
Overall 177" (14.75') long x 81" wide x 100" high
1340-1370lb unladen, 1650lb GVWR equivalent
Prices are about $(US) 7700-10400
The prices are as quoted on Niewiadow's website
(much improved lately), converted at today's Polish Zloty/$ exchange rate. So you can make you own assessment about how much more they would be if offered for sale
in the US or Canada. And in case anyone is getting over-excited, there is no suggestion that this is likely to happen! Makes you wonder if there isn't a business opportunity here though.......