Don't know anything of the km2. It's a muddie yes? The all terrain strikes me as it claims to be
Fair on road, good in mud, loves the gravel and wears like a whores money maker. One bitch with 'em, too aggressive in sand.
Even with low pressure they won't "ride" over it. Great other than that. Last set for The Pig were 275 each balanced/fitted.
Done almost 40k on them and better than fair wear from them. Seem to resist major cuts and abrasion really well.