What kinds of RPMs is the 1.8 with 4-speed turning at 70-75 mph?
Have there been any road test reviews measuring noise levels at those speeds?
The FamiliyCar.com review says the 4-speed automatic drives like it needs to be upshifted one more gear into overdrive when you're at highway speeds.
I personally do not know as i have yet to drive one,but let me make a suggestion:
I would not take what a magazine says to heart,instead test drive one yourself and see if you like it.
What kinds of RPMs is the 1.8 with 4-speed turning at 70-75 mph?
Have there been any road test reviews measuring noise levels at those speeds?
The FamiliyCar.com review says the 4-speed automatic drives like it needs to be upshifted one more gear into overdrive when you're at highway speeds.
I test drove a manual last week. I was on a 55 MPH highway and didn't make specific observations, but I noted, and even remarked to the salesman, that the revs seemed a little high for fifth gear at highway speed. Seems like it was over 2,500.
I suspect it is geared more for a good 0-60 time and for pulling inclines without leaving fifth gear. Maximum power and torque are in the upper range, so I figure the engineers opted to keep revs up a bit even at highway speed. I'd rather have a taller fifth gear and just shift it as needed to take hills. I'm more interested in economy and longevity.
John Mo,
I couldn't agree with you more, I've always been suspicious as to why the manual transmission suddenly got the same mileage as the automatic. Even with the new epa estimates the manual transmission 08 model still got 2 more miles per gallon than the auto. Auto 35mpg, manual 37mpg. Now they're the same at 35mpg, this is the reason I won't buy a civic, however if this turns out to be true and the manual revs higher than the auto I'm disappointed. I'm talking highway mileage not city as the manual still usually does a little better in the city.
I'll check it out and post when I pick mine up in a few days. Would be nice if there was an aftermarket transmission or final drive mod we could do for the manual transmissions on these, but most of the modding community is interested in performance and aesthetics over economy.
When I got my car last week, I drove from San Jose (Toyota) to San Francisco and my speed was always around 75-80mph. I think the RPM was around 2.7k - 3k. I didn't really notice since I was overwhelmed with the joy of having to drive home a new awesome car!!!
<--- yes... that's how I looked the whole time I was driving. It was kinda hard driving while clapping your hands... I suggest you guys don't do it.
Engine speed = Vehicle Speed x gear ratio x final drive ratio / tire circumference
Tires. Right. Easiest way to "mod" the engine speed. Not sure how long I'd have to run larger wheels to save enough gas to pay for the set of wheels. Off the top of my head, I'd say "too long," but some quick calculations suggest the wheels might pay for themselves in 30k to 50k miles if they improved mileage by 2 MPG. Sounds like a stretch to me.
Usually when you increase the wheel size, the overall diameter stays the same because you get thinner tires.
Anyhow, putting heavy 18s on your car could potentially decrease mileage if they're heavy and you put high performance tires on. Heavy wheels means more rotational inertia. High performance tires are stickier and have more rolling resistance. Plus the wider tire will create more aerodynamic drag.
Keeping the diameter the same, my friend increase mileage by almost 10% dropping 10lbs per corner going from stock cast to BBS forged wheels with the same diameter. At the same time though, the car became a lot more fun.
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<--- yes... that's how I looked the whole time I was driving. It was kinda hard driving while clapping your hands... I suggest you guys don't do it.
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