Yes, that is a very common change
If they have the identical aspect ratio and wheel diameter as comparing a 215/70-15 to a 205/70-15 the 215 tire will be .56" taller.
it is 215/70/15
A 215/70-15 is close.
215/70/15
205/70-15 extented van is 215/70-15
Yes, the 215 70 r 15 fits early models of the Alero for sure, maybe all.
No, the 15" tire will be 1" smaller. Your speedometer will be off, your mileage will suffer and the can will handle totally different. If you want to go with a 15" tire then install a 235/70-15 or a 265/60-15
215/70-15
Depending on if it came with 15" or 16" wheels. 215/70-15" 215/65-16"
215-70-15
This 215 is the height of the tire in comparison with the sidewall size of the tire (see below). 70 and 75 is the distance between the edge of the tire where it meets the rim and the edge of the tire where it touches the road 15 is the inch diameter of the rim that the tire fits on. It was so much easier when the tires were determined via pure American standards before Carter adopted the metric mix up.
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