Typically it is in the 1500-1800 at startup the lowest about 900 and around 4000 on hard acceleration in the low speed range (20mph) I didn't spend much time on the highway during my test drive but somewhere in the 3000rpm at 60mph I think because it really doesn't have a lot of gearing and the electric motor is limited in its rpm upper limit. If I get to go for another ride with the SG connected I will make a note of it.
based off the 1st gen prius in japan (97-00)... boy i still crave for that model (classic prius 01-03 that is)... pulsing and gliding on that simluator nets me a 74.5 mpg trip. If anyone can beat my score feel free! Oh and my battery charge is 50% by the way, didn't have to force charge once! and its over 3.9 miles
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If your reading this, then good for you, your saving some gas because your here.
I don't get the coasting mode in the simulator that I can actually do on the real car where with the right amount of gas input you don't use any gasoline or electric and the car just coasts.