Searching on the Internet I found that the gas mileage of a Porsche Cayaman (in most European sites, ex: http://www.porsche.com/spain/models/cayman/cayman/featuresandspecs/ ) is rated as 13,8 ltrs/100kms(city) and 6,8 ltrs/100kms (highway) while in the BMW International Website ( http://www.bmw.com/com/en/index_low.html ) you’ll find this figures(for the 3.0si): 12,6 ltrs/100kms (city) and 6,3 ltrs/100kms (urban). The other models, 2.5si, 2.5i are much more “fuel-saving” than the 3.0si. So my question is ¿why does Porsche of USA claims that the Cayman does 23 mpg and 32 mpg (city – hway, respectively) whilst in American/European/Anymarket BMW always claims the same figures: 20 mpg / 30 mpg (or 12.6 ltrs/100kms and 6.3 ltrs/100kms) for the Z4 2.5Si when clearly as seen in the links above the Z4 has better mileage than the Cayman, while in Yahoo! Autos because of the figures given from Porsche USA it seems as if the Cayman has higher mileage? Thanks to the ones responding.
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Filed under Gas Conservation FAQ by on Jun 16th, 2011. 1 Comment. 
I currently live about 30 minutes away from my job, and fuel costs are killing me. I was thinking about moving closer to my job to save money on gas, but the rents are expensive! Then what if I switched jobs, and took a job not in that area? I’d be back where I started, but with higher rent…
Carpooling is out, since I like to work out at my job after work, and I work late hours sometimes. I am open to public transportation, but the bus system here is a joke, with very limited routes.
I drive a 2005 Honda Civic coupe, four cylinder, so I get pretty good gas mileage, about 27 mi city/38 hwy (I’ve actually calculated myself).
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Filed under Gas Conservation FAQ by on Feb 28th, 2011. 5 Comments.
I just bought a 2006 Hyundai Santa Fe.
Will 97 octane give better mileage than 85?
What about ‘hypermiling’ to get better mpg?
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Filed under Gas Conservation FAQ by on Jan 12th, 2011. 5 Comments.
I’m sure this is one of those questions that there is no “simple” answer, so let me specify. Say I’m just cruising along going around 30, making it so I could put my car (98 ford escort SE, btw) in 3rd or 4th and both would run smoothly. Which saves more gas? I’m pretty mind-numbingly dumb when it comes to cars, so save any BS you’re going to give me. Best answer goes to the person who clarifys it the best.
btw, there is no RPM keeper-tracker, and if you can’t tell by “keeper-tracker”, I know shit about cars.
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Filed under Gas Conservation FAQ by on Jan 4th, 2011. 6 Comments.
If I’m traveling at 40mph on an intermediate gradient in a car that has 6 forward gears, will I save more fuel in sixth gear doing fewer revs but having to use more throttle than doing higher revs in fifth with less throttle?
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Filed under Gas Conservation FAQ by on Dec 25th, 2010. 2 Comments.
do to SAVE MONEY ?? Combine trips, etc. Ride the bus (which we only have here twice a week (rural area). Just curious.
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Filed under Gas Conservation FAQ by on Sep 26th, 2010. 6 Comments.
I always hear talk about people with manual transmissions save more gas than people with automatic cars. I have the old school manual. Not this new stuff where there is no clutch. I have a clutch on mine the old school stick shift. Anyway, I’ve been trying to save gas. Do I burn more gas in a higher gear or a lower gear. Where should I keep the RPM’s when I’m driving in the higher or lower gear at that as well? Example. It redlines at 9000 RPMS. I’m trying to save gas. Should I have it halfway driving in that particular gear, and should I be driving in a high or low gear so I don’t burn as much gas?
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Filed under Gas Conservation FAQ by on Sep 15th, 2010. 17 Comments.
Why is it Americans continue to driver their gas guzzlers, their boats, and all the other luxuries they foolishly waste money on instead of tightening down like the rest of the world and try to conserve as many of our resources as possible?
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Filed under Gas Conservation FAQ by on Aug 21st, 2010. 7 Comments.
Speeders and fast drivers are a major pet peeve of mine (I admit that I drive slower than a little old lady on her way to the Bingo hall, but I get great gas mileage in my Ford Focus).
But, one benefit of the high gas prices is that it might improve safety by getting people to slow down to conserve gas. (slower speeds = better fuel economy).
Or so I thought, because one thing I’ve noticed is that Americans don’t seem interested in easing off the accelerator to save gas in their vehicles.
I hear a lot of people squawking and b-tching about the high prices at the pump, but people still buy their gas-guzzling SUVs, they still drive a quarter-mile to buy a gallon of milk, and they still put the pedal to the floor even when there’s a red light 100 feet ahead.
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Filed under Gas Conservation FAQ by on Jul 25th, 2010. 10 Comments.
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