best rpm range for gaining better mpg?

i do a lot of city driving and my mpg's have been taking a beating and i was wondering.... what is the best rpm range i should be in to get the best mpg?:crazy:

hmm...shouldn't that be the lowest rpm as possible? I don't know... I have a tip, and when I do really casual driving, the computer upshifts around 3k rpm I think...never over 4k. I know 6-speed must be different, so this is just for reference.

I have a noticeable increase in MPG when I stay at about 2800-3000rpm. I've noticed a drop to 17.5 to 18.5 MPG when I spend most of my time below (or above) the 3000rpm range. In contrast, I get closer to 19-20MPG when I make an effort to be in this range. This happens to be in the "power dip" rpm range that many have mentioned. I hypothesize that this is a lean spot in the fuel map where Porsche tunes to meet EPA and noise regulations and to generate MPG claims. Still waiting for the resident Motronics experts to confirm

Interesting. When I've tried to go for best mileage tankfuls around town, I've tried to keep the revs in the 2200-2400 range. For me this results in around 21 mpg (CS). Next tankful I'll try to keep it at 2800-3000 and see what the mileage is.

in all honesty... if you are driving a sports car, gas is the last thing you worry about, as for myself, i push my paddle to the metal everytime.. haha local or freeway, if i see open road, i am charging towards it... haha... i love the sound of 4th and 5th gear, so i hardly use the 6th... haha. maybe thats why i have to refi every other day...

I would say shift up at around 3500 rpm and then stay at around 2500 rpm when you've reached a cruising speed on a street or freeway. brad

18 mpg or 21 mpg. you are talking about 3 miles. so you save a mere 2-3 gallons of gas at the most? why bother if all you save is around 6-7 bucks at the gallon? it's all in the noise IMO. my wife's car gives a whoping 13 mpg so I'm gonna love the mpg on my cs even if i'm pounding the gas and shifting at high revs! :burnout: if you plop down the coin to buy a base or S, are you really gonna start missing out on the driving experience to save up for a value meal at the local drive thru every fill-up? just my thoughts, no offense intended...

You bought the wrong car if gas mileage is a concern. Not because the Cayman is particularly poor in that regard, but because getting the best mileage means depriving yourself of the Cayman's best attributes. Certainly, long highway trips with the revs below 3500 in 6th will yield 24-26 MPG - not shabby. Around town, burning gas and burning tread is where the fun is. If you are getting 16-18 MPG around town you are probably doing avg.. Think of it this way: If you were able to get from 18 to 24 mpg by judiciously monitoring your rev output (not likely, but if you could) you'd save 6mpg on 16 gallons or effectively saving 4 gallons of gas or $10.00. You just bought a $60k+ car, is $10 a week compromising your household budget? Enjoy all your car has to offer

Before anyone else jumps in here to lecture sapple89 for not driving his car properly, I'd like to say that let's be fair here... 1) Maybe he just wants to save some dead dinosaurs for his kids or the rest of us every once in a while, which might be an ok thing to do, and... 2) A careful reading of his signature and some of this other posts would reveal that he's 17 years-old, and while I have no idea how he obtained a 2007 Cayman 2.7, maybe he has to buy his own gas. When I was 17, it was hard to get the money to buy gas (even though it was priced at 36 cents a gallon), and I'll bet for the great number of folks on this board affording gas at 17 was no box of chocolates either. Just my thoughts, no offense intended. brad

thank you beez for taking my side but i now have something more to worrie about then gas prices. anyone selling a driverside door pannel? these days a lot of people to not want to hire kids because they have little or no expirence.( i dont blame them) but you gotta start somewhere

Good point, Beez. Sapple89, make your riders chip in for gas then make it worth the price of admission.

I shift between 3000 - 3500 rpm until I get to speed and then cruise between 2,500 - 3,000. I never go deep on the accellerator, it's called the gas pedal for a reason, so I downshift if I need to speed up. But trust me, I can't even hold out without going WOT at least once on even the shortest drives... I've decided I'm just gonna have to work longer hours for the gas. We actually have gas stations in town that have sales on premium gas every weekend so I buy about $15 every weekend which will put me @ about 1\3rd. It saves me the added weight of having more gasoline (I swear I can feel the performance difference ) and I live with the hope that it'll get cheaper next weekend. Though once or twice a week, I get a little crazy and go on a long, "exploring" drive, so typically I have to fill up after that. Sometimes I've been gone for hours... - SS

i do the samething, i no longer mind getting lost

If you happen to be on a boring stretch of highway, your best fuel mileage is obtained when the engine is operating in the rpm range where torque is maximum (applies to any vehicle). Cheers!

alright beez, good point. i didn't see he was 17. 34 cents a gallon, i didn't even know gas was EVER that cheap. just kidding.....

haha me neither how will i know when the torque is at it max?

Sapple89, I know your pain. I was waiting at Walgreens to pull out onto the street when a careless driver of a Grand Cherokee (talking on his cell phone!) backed right into the right side of my Cayman. He claimed my car was too low for him to see in his rear view mirror - but his insurance company paid. The Dent Wizzard did a perfect repair job. A new door will soon be forgotten, but I know how the first ding really hurts! Enjoy your Cayman!

I don't know about the base Cayman but the S the max torque is from 4,400 to 6,000 rpm. I just have to say though the best RPM is for fuel mileage is 0 RPM.