If they think 5W-20 is good for that 3.5, 0W should be GTG! Once you move into EB territory, things get interesting.
2018 Ford Edge Sport 22k - Amsoil XL 5W-30, EA15k43
2009 Hyundai Sonata V6 Limited 175k - Mobi1 5W-30 HM, Puralator Pure One PL-35610
2002 Mustang GT 75k - Amsoil XL 5W-30, EA011,Rained on 7 times