Yes, though handling may be adversely affected. Generally this type of change in tire sizing is only done when switching over to snow tires for the winter season.
You can, 55 = the width of the tread
The 65's will stand taller than the current 60's because this number represents the height of the tire as a percentage of the P195. Always consult your local tire dealer specialist, their advice is usually free of charge.
A 285 60R 17 will replace that
yes, but your speedometer will be off by 0.7 mph at 60 mph with the 18565r15 tire. (it will read 59.3, not a noticeable error). See the link below for the details.
a 15 x 6.5 or a 16x 6.5 tire sizes would be a P205/70R/15, P215/60R/16, or a P225/60R16
Yes, you can
60r-4 = 56
Can a 225/60R 16 tire replace a 235/70R 16 tire.
You may use that size, yet however the accuracy of your speedometer will be less accurate (if used on front wheels).
The 205 60R is a narrower tire than a 215 60R 15, however they will probably both fit the same size rim.
average size is P195/60R-14, however some of the oz or ralley may have larger sports tires. On my 1993 GL model they are 175 /70 R13 on my 2004 Lancer ES- 185/70 R 14 changed from R14 to 195/60 R15. no issues.
No, there is a 3.15% difference in overall diameter. This will cause your speedometer to be off 2 mph.