I do it with the Stratus every time I drive it, aslong as it goes between D & N smoothly it shouldn't hurt anything. My auto tranny GM's coast almost the same N or D so I don't bother.
Coasting into stops/corners in where the best gains IMO can be made with an auto tranny. If you have decent hills, where you can crest a hill at 45-55 and the N coast will get you back to 55 or PSL before hitting the bottom. Same down hill in gear cruise set I'd get 60ish mpg instant, in N coast I'm over 100.
It's a pig at idle consumption of 0.5 gph, your is probably closer to 0.25 gph, so your neutral coast at 60 mph would be 240 mpg instant. A neutral coast from 60 to 30, average speed 45, you be getting 180 mpg average during that coast (assuming the 0.25 gph is close).
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