No, this is not a good substitute at all. This swap is a 4.34% difference in specifications which is never good. You should never go beyond a 3% difference. Your speedometer will be off, and your car will handle differently.
No, there is too big a difference in diameter.
Normally. yes.
Yes, that is a pretty good substitute.
no there is too much height difference
Yes, that is reasonable as long as both sides match.
215 65 r 15 or 205 60 r 15
The 205/70/r15 is 26.3 inches tall. The 215/65/r16 is 27 inches tall. Never mix different size tires on different rims.
Yes, they are only slightly different.
It is an acceptable substitute, but know that your speedometer will read 58.7 at a true 60 mph.
Yes, this is a good alternative. Your speedometer will be only be 0.6 mph too fast.
Yes, if you can live with an inaccurate speedometer.
no