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Old 06-07-2007, 10:52 AM   #3
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Join Date: Dec 2006
Location: Austin, TX
Posts: 939
I average about 22mpg mostly city, and can get up to 31mpg on highway.

Here's my tips on attaining higher fuel economy. I learned a lot of this when I owned a Honda Insight. That car will tell you what works and what doesn't as far as getting better gas mileage, and it all translates to other cars.
  • Use the correct grade gasoline. Your engine will run best on what the manufacturer recommends. Do not use higher or lower grade gasoline.
  • Make sure your tires are properly inflated. You can usually safely run them at a slightly higher pressure, which will reduce 'rolling resistance'. I would not recommend more than a couple PSI over the vehicle's suggested pressure
  • Have your alignment checked and adjusted. If you do not track your car, you could have the camber and toe adjusted to be more neutral.
  • Replace your air filter and change your oil at regular intervals
  • Avoid jackrabbit starts, and use the highest gear you can to cruise in. Avoid changing speed a lot on highways and freeways. Use your cruise control if you can.
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1969 911T Targa - 'Stinky'

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