I replaced my Bridgestone Ecopia 422 Plus with the Accelera Eco Plush on my 2013 Prius. Mileage has gone down from 52-53 to 42-43. At first, I thought the tires just needed to be worn in but after more than 5K miles, I'm resigned to the new normal. Gas is purchased at a Costco in LA, and there are no other changes to driving habits. It doesn't even feel noticeably different, aside from the surge of anger when I see my mileage. The Ecopia's cost me ~$100 each at Sears in 2018. This time, the Acceleras were $380 for the set vs upwards of $600 for the Ecopia's. A smart man once said to never go cheap on anything that comes between you and the earth - shoes, socks, tires. I am not a smart man.
What prevents you from buying new Bridgestone Ecopia and selling old tires Accelera Eco Plush? When they are not too worn out they can be sold at a small loss.