I just test drove a 70 and 2 85D's. They didn't have a 70D to test. Even though I live in Florida and don't really need all wheel drive, I was planning on buying a D since it's the latest technology, better range, acceleration, etc. But the front motor noise was too obnoxious for me, both on acceleration and even deceleration. In fact, even with the radio on quietly, the whine still bothered me (and I'm getting old and starting to have slight hearing loss). It was definitely the front motor, and it was the same in both D's. It sounded like a jet engine turbine. The 70 was quiet. I ended up ordering an S90. Bigger frunk too, but who really cares. I will say though, that I purposely left the A/C fan on low, and the radio mostly off so I could listen for noise. Probably with the A/C on normal and radio a little louder, I wouldn't hear it or it would be very slight. Just to show what I know, I drove 2 85D's because I wanted to hear the difference between the 19" and 21" tires. The 21's were louder, but I'm getting them because I like the looks! I'm like idiot!