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onbypass · 02-11-2008, 10:56 AM

Hey everybody,

I am loving my '97 boxster. (I have had it for 43 days!!!)

I recently had all the overdue maintenance done including a tire alignment from a great porsche shop, and it's now up to date mechanically.

I have one question about gas mileage. Granted it's been cold (25-35 degrees), but when I start it up, it just sucks down the fuel!! I did a test today.... when I started it up, I reset the fuel computer, and it was in the low teens and dropping in my driveway. I drove to pick up my daugter at school and then drove her home...... around 4 miles round trip. My final fuel usage was still around 15 mpg. Since it was a short trip, the engine really never made it all the way to full operating temperature. On the way, driving in a conservative manner, it got as low as 11mpg. It is a '97, 78Kmiles, Tiptronic transmission.

On a full tank of gas, combining local, highway, etc, I am getting around 21-22mpg. I am using 93 octane super-unleaded 10% ethanol (shell, exxon, etc) The former owner told me he was getting 24-25.

Anyway, does all this sound like normal cold weather MPG hits??

THANKS, in advance, for your help!!

Mark

02-11-2008, 10:56 AM	#1
onbypass Registered User Join Date: Jan 2008 Location: Suffolk, VA Posts: 2	Gas Mileage!!! Hey everybody, I am loving my '97 boxster. (I have had it for 43 days!!!) I recently had all the overdue maintenance done including a tire alignment from a great porsche shop, and it's now up to date mechanically. I have one question about gas mileage. Granted it's been cold (25-35 degrees), but when I start it up, it just sucks down the fuel!! I did a test today.... when I started it up, I reset the fuel computer, and it was in the low teens and dropping in my driveway. I drove to pick up my daugter at school and then drove her home...... around 4 miles round trip. My final fuel usage was still around 15 mpg. Since it was a short trip, the engine really never made it all the way to full operating temperature. On the way, driving in a conservative manner, it got as low as 11mpg. It is a '97, 78Kmiles, Tiptronic transmission. On a full tank of gas, combining local, highway, etc, I am getting around 21-22mpg. I am using 93 octane super-unleaded 10% ethanol (shell, exxon, etc) The former owner told me he was getting 24-25. Anyway, does all this sound like normal cold weather MPG hits?? THANKS, in advance, for your help!! Mark