Based on my experience with my 2000 Blazer 4wd, tires make all the difference. I had a set of Uniroyal all season tires that were barely adequate in the snow in 4wd. My 88 Beretta (fwd) with good all season tires would have run circles around it.
Those tires were replaced with Firestone Destination LE’s. I believe the Firestone’s were snow rated. The first time I drove in snow (9") with the new tires, I was halfway to work before I noticed the Blazer was still in 2wd, the snow traction was that good.
This last winter in South Jersey was one of the worst in years. Even with 30k on the Firestone’s, I felt comfortable driving in the snow. The Blazer has ABS, but I try to drive conservatively so as not to engage it.
Ed B.