Expected MPG hit from an all-weather 3-peak mountain snowflake tire

It looks like the MIchelin premier A/S, Michelin Defender T+H and Michelin X Tour A/S T+H are considered excellent tires on this forum. However, I noticed that there are some very interesting all-weather options that are 3-peak rated. I do drive up into the mountains to go cross-country skiing in the winter, but not enough to merit purchasing a second set of tires for winter driving. I'm in Portland, OR (so good dry weather in summer and wet weather handling in winter is essential as well as good handling on USFS gravel roads). There are some very interesting options recommended by TireRack that are 3-peak/mountain snowflake rated including the Michelin Crossclimate+, Firestone Weathergrip and Goodyear Assurance Weatherready. I realize these will come with a MPG hit, but what is the general MPG hit compared to the non 3-peak tires? Are we talking about a drop of approximately 2.5, 5 or 10 MPG? I realize it's very approximate, but it'd be good to get a sense of the trade-off. On my stock (OEM) Ecopia tires I got 52 MPG on my last road trip (which included drives up and down very steep mountain roads and on USFS gravel roads).

 

Thanks! That's a hit I'm willing to take, especially since I put only ~4,000 miles per year on my car. Over a five year period that translates to ~$150 in gas savings. Will be looking at the Continential Climate+. Seems to be the best all-around tire for dry, wet and snow conditions.

 

I decided on the Michelin CrossClimate+ as a good tire. It seems to be very highly rated by CR. Will check the Nokian/Nordman tires and see if that's an option in Portland.

Even with the worst tire, Priuses get better MPG than other cars.

 

Good to know. Being deaf, I have one less factor to worry about . But, the 20k wear-down is worrying. I'm going with the Consumer Reports top pick (Michelin CrossClimate+).

 

Brief update. Had these installed on the Prius last Friday. So far I haven't noticed much of a MPG hit. I drove out to a trailhead (~90 miles round trip) and got 52 MPG, which is consistent with a trip I took a few weeks ago on my old Ecopia 20 tires. My wife said the road noise was fine. Can't really comment on handling yet.

 

I've been very happy with them. I haven't tracked my MPG carefully nor am I a hypermiler. I can't give you a precise answer on fuel economy. That said, I have not noticed a major drop. If there is one, it is not more than 5 MPG. The last major trip I tracked the fuel economy (over 600 miles with many drives up and down the mountains and along a rough road) and it was about 2-3 MPG lower than a similar trip of about 1000 miles (also up and down mountains and along some rough gravel roads) I took just before I got the new tires.

I'm very happy with any trade-off with regards to fuel economy because the snow is now here and I have been able to drive on icy sno-parks in the mountains of Oregon with no slipping or sliding. That's new. With my Ecopia tires there was always some slipping and sliding to get in and out of parking spots. Not anymore. They also seem to handle well on dry and wet surfaces as well. They strike me as the perfect all-around tire for the Pacific Northwest with its rainy winters, dry summers and snowy mountains.