| look for 285/60r18. It's one small size up, which helps the ride a little, and gives a variety of more options. toyo open country A/T, Nitto terra grappler, I'm referring to A/T tires just because i don't have a fond opinion of all season tires actually being able to shed much water or actually perform in the snow... for tire sizes we're talking about if i think you want the little snowflake symbol (the certification for winter service) you're pretty much looking at A/T's many or most of which you can find reviews for here or on the "other" site. Your spare will no longer be a full service spare since it's too small, but that's another issue to answer for you... i guess as is, the spare is a different rim and to start anyway on the g55.
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