What ever happened to CVT?

Jul 22, 2007 94 Replies

All US EPA estimates are going down beginning with the 2008 model year. (The EPA has already adjusted figures on their website for older vehicles so you can compare them with the new figures.) The new tests and downward multipliers are there because people were complaining that the MPG estimates weren't matching real-world driving, so now the tests take into account colder weather, AC use, and faster acceleration and high speeds.

See:

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The EPA estimates are the MPG figures that the manufacturers are required to post on the window stickers and in advertisements. The figures are there to help you compare one car against another, and aren't so great at telling you what MPG you can expect from your real- world driving (since your driving and terrain/climate and car condition is likely to be different from mine and also the lab site that does the testing...).

I recall that you stated previously that your 1993 Corolla was a wagon. EPA MPG on that is 23 city/30 highway, and about 25-26MPG combined.

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EPA MPG on the NHW20 Prius is 48 city/45 highway/46 combined.
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Since you can use the EPA MPG numbers for comparison, the Prius is still has about 2x the fuel efficiency of your 1993 Corolla. If your combined fuel economy on the Corolla is about 22MPG, compared to the EPA's 25MPG, then your real-world driving gives you about 88% of the EPA's combined estimate. Now apply this same percentage to the Prius'

46MPG combined, and in your driving you would probably see 40MPG. (Now, that seems pretty low to this seasoned Prius list reader, so you'll probably do better, but...)

It is plenty zippy - just floor it. Some people unconciously back off the accelerator on a test drive when they hear the eCVT spin the engine up, thinking (incorrectly) that the engine is straining (it's not, it's just responding to the power output you asked for), and then wonder why it doesn't accelerate (because they took their foot off of the pedal). Best for fuel economy is to get to speed and then coast at the speed limit, just drive it! But avoid the jackrabbit start/ stops - no need to brake more than you need to, anticipate your stops (just like on any car!)

as for color, you're free to repaint your car however you like. ;-)

Cruise control has to be activated (light on the dash). You have to be going faster than about 25mph. (Maybe 24mph) You have to be in D (cruise does not work in B on the NHW20). Then you can set your speed and cruise should work.

Have you ever taken it into the mountains? what are they like in that kind of terrain?

I read a story were a guy here in OZ had to Turbo his NHW10 because it had issues climbing up the hills where this guy lived. Mainly because the batteries would go flat halfway up and the motor wasn't strong enough by it's self.

That's a concern here too. I wouldn't want to be stranded trying to get up I-70 into the mountains here.

There's a big difference between the original Japanese-only NHW10

1998-2000 model year Prius, and the following internationally-sold NHW11 and NHW20 (current) models... The later models have more power, more cargo space, a better battery design (longer life, better management, more dense/physically smaller), more available mechanics, etc...

Although most of these reports are for the NHW11 (a few NHW20), you really don't have to worry:

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(You wouldn't be stranded, at any event. You just wouldn't be able to stay in the passing lane with a full people/cargo load while also going 70+mph up that long mountain pass, but would have to slow down to something more reasonable in the 50mph range.)

My take: If my little ('76) Datsun B-210 & my first ('84) Corolla - neither of which were exactly hefty in the hp dep't. - could make it up long hills & mountain roads, I wouldn't worry about a new Prius!

Cathy

"Moon Goddess" ...

I have had mine on some significant mountains in West Virginia. No problem here. Tomes

"Moon Goddess" net...

What the other guys said here...

I see this lower speed limitation as one of the biggest flaws. I could really use it at, say, 30MPH around here because we have these rural roads with 30MPH limits on them. These are the situations where the speed drifts up without the driver realizing it and then it becomes a ticket magnet. I use mine in 40 MPH zones all the time.

The absence of memory is another Toyota specific flaw. My Jeep remembers the setting. Tomes

I've regularly set the cruise control on my 2001 and my 2004 Prius down at 25mph, with no problems. Low-end cutoff speed is about 24mph.

Yeah, my understanding is that most Toyotas (perhaps all?) will not remember the set speed once they drop below their cutoff ~25mph speed, or if the car is shut off. No biggie, though, you just press on the accelerator to get back to speed, and then reset the cruise control.

(I previously had a Chevy that as soon as you turned on the cruise control, it was more of a turbo-boost trying to get you immediately up to some way too fast speed... I really wished that that one would have forgotten the previously set speed!)

...

I will have to check the Prius low end limit again, but this sounds promising, thanks. I am all for wiping out the speed setting when one turns off the car, for just the same reason you state. Tomes

I bought my 07 Camry Hybrid (TCH) last August. After I got it home, I did something that now-a-days may seem strange, I sat down and started to read the Owners Manual (took several days).

Under CRUISE CONTROL, it stated that once the speed drops below 10 MPH, cruise speed is erased from memory! That means that every time I hit a stop sign or red-light, I will need to reset the cruise speed (not just resume)! I figured This is crazy, NO car I EVER owned since my 1972 Fury II ever did this! I immediately took the car out for a cruise control test (hey, any excuse to drive your new car is worthwhile).

The car's Cruise Control's lower activation limit is around 25 mph (as in the manual). However, as opposed to the manual, when I stopped (simulating a stop sign) and then started moving again, once I achieved 25 mph, the car would accelerate (after hitting RESUME) back to the desired speed. Honestly, I don't know if Prius erases cruise control speed from memory once speed drops to less than 10 mph or if it operates like my TCH.

The only thing I detest about the Cruise Control (CC) function is the way most manufacturers have changed the Cruise Control indicator indication. On Toyota, the indication simply shows Cruise Control main switch is turned ON, not whether Cruise Control is active. My previous cars indicator when CC was active and under control. My father's 96 Park Avenue went one step further. His had both CC enabled AND CC active lights.

Wow.

I mean, wow that it "may seem strange" to read the owner's manual.

There's something wrong with that.

Toyota does do it weird, and that goes back many, many years.

Honda, OTOH, does it right--just like your father's Buick.

Why does one even need a light to tell them the CC is one OR active? I would prefer the CC be all anytime the engine is running with a simple OFF switch if I want it off, like TC ;)

mike

"Elmo P. Shagnasty" om...

I would like to have both of these lights. If I can only have one I want what we have, one telling me that the CC is turned on so when I hit the set button I know it will set. Tomes

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