My C-Max came with Michelin Energy Savers, not Defender or Energy, and they remain a good 3-season LRR tire. Worthless in snow and cold. Here's a recent test of all-season tires that included rolling resistance data, a rare thing done right. The only caveat is that it's a UK test, and some tires may not be the same on both sides of the pond. (And he does some really nice comparisons in other tests.)
https://www.tyrereviews.com/Article/2021-Tyre-Reviews-All-Season-Tyre-Test.htm
I also look at tires based on total vehicle cost. If a set of $800 tires lasts 40K miles, you paid $0.02/mile. My recent fuel cost is $0.072, so I see tires as "cheap" given how much a drop in MPG would cost.
For reference, my Escape Hybrid's about to kill its OE tires (Bridgestone Ecopia 442 HL) and I've already purchased Michelin CrossClimate2 to replace them. Not the lowest RR in the test, but still very good. I'd recommend the Ecopia as well, except these OE tires worked a lot better than any review has led me to expect, so Ford may have a unique rubber compound; they won't make 35K but stick like crazy, even in snow.