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Discussion Starter · #1 ·
This may have already been covered before.

I just read over at http://greenhybrid.com/ that some people are having problems reversing up steep hills.

Does anyone have any stats on what are the limitations in reverse?

Having just placed my order today, NOW I read that I might not be able to reverse out of my driveway (or at best, I will have to accelerate out of the garage to overcome a fairly steep, but thankfully short grade (basically 1.5 car lengths)
 

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No real stats here, but I believe the Prius uses only electric in reverse, not the ICE. So going backwards you are limited to the 67 hp electric motor. I would imagine it would take an awfully steep hill to defeat that.
 

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Discussion Starter · #7 ·
Frenchie,

Please pardon my confusion...


If "slope = rise / run" then 46% would be a 4.6 foot rise over 10 feet.

Thats a staggering rise !

38%, or 3.8 feet rise over 10 feet run is also very steep (and equally staggering to think that the Prius should be able to reverse up that slope)

Have I screwed up somewhere? or have I absolutely nothing to worry about my prius backing up my 1:5 (20%) or even a 1:4 (25%) slope.

That hill that bothered eak354 must have been more like a ramp up a set of stairs !!
 

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You got it right smoothchat, you've absolutely nothing to worry about a 25 % slope. The hill grade limit is in the range where no standard driver will normally venture into. I was looking for a very steep slope this afternoon and could only find one that was not steep enough to stop my (classic) Prius in reverse. I did not measure it but according to my cyclist experience it was certainly much more than 20%.

I'd like to know too how much steep was the ramp that stopped eak354... :?:
 
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