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Old 09-06-2018, 05:04 PM   #5 (permalink)
hayden55
Master EcoModder
 
Join Date: Dec 2010
Location: USA
Posts: 1,170

Sport Utility Prius - '10 Toyota Prius II
90 day: 52.98 mpg (US)

300k Sequoia 4WD - '01 Toyota Sequoia Limited 4wd
90 day: 20.19 mpg (US)
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Quote:
Originally Posted by Ecky View Post
Pretty sure part of it is due to lower idle RPM. Want to say these trucks idle at 5-600rpm, Prius engine idles at 1000rpm. My Insight burns about 0.2 gph with its 3 cylinder, which needs to idle at 900rpm minimum to not rattle your teeth out - and without the hybrid system smoothing out it's still a very rough idle.

Twice the cylinders and marginally larger cylinders, but half the RPM, still twice the fuel consumption.
Makes sense. I've almost forgot how smooth my mustang was at idle (around 750) compared to my Prius. On the bright side the cvt and start stop make it a smooth ride.
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