I think so, it's all based on load rating, load range and psi. I found this other dataset (Discount Tire Load Inflation Tables), slide 3 has E load Range (Presume that is same as "E1", which the Michelins are ), it does not have all the details for 126 index, but when i plotted the load index by...
Noise is definitely less.
Efficiency will need a little more data but I think it's not as good. I've only driven for commuting in local roads with the new tires (3 days old), I'm getting 1.7 mi/kWh (w/ Pirelli I was at 2.17 mi/kWh), let me report back in a couple of days after some weekend...
I just changed out the Pirelli to the Michelin Defender Platinum (275/65/R20) LTX based on recommendation from this thread. Had Discount Tires price matched what Costco had (basically installation fee waived). DT set the tire pressure at 48psi, I'm pretty sure I should increase the tire pressure...