How many MPG Does your 911 get?

[jet911]

'86 Carrera, 92K miles, 20 around town, 26/27 highway

[syncroid]

1987 Coupe, 129,000 with 1700 on new top end. 18 - 26.5
Just got back from a romp to South Lake Tahoe. (to San Jose) Two hours 55 minutes. 25.5mpg on that trip.

[Por_sha911]

Originally posted by livi
Obviously I donīt care since Iīm a doctor..

Or, in other words:
"Dammit Jim, I'm a doctor not an gas mileage calculator"

Oh btw, last measured trip: 23-25 @ 70-75 mph avg 300 miles (and that's with the dreaded SW Chip and the O2 disconnected!

[mjw]

19 mpg mixed city/highway

[domtoni]

1969 911 E - 66,000 miles, fuel injection still be re-set, I used 44 liters to do 270 miles (23.2 MPG)

[Dirkclod]

1984 carrera-75000- 23mpg and thats rocking !

[larry47us]

Originally posted by domtoni
1969 911 E - 66,000 miles, fuel injection still be re-set, I used 44 liters to do 270 miles (23.2 MPG)

My suggestion is that if you are getting 23.2 mpg with MFI in a 69E, that you don't touch the injection. That's twice what I am getting!!!! What makes you think that your injection needs tweaking??

larry

[turbo23dog]

1980 SC 103K miles w/20K on rebuild - 17MPG on average

[SRJ]

21-22 fill to fill. Mixed freeway city.

[wannaporsche]

1980 SC 164K miles w/2K on a new rebuild - 11 MPG in town

Am I the only one getting this low milage? I'm in Los Angeles, and 'in town' usually means a lot of stop-go-and-idle, but I'm starting to wonder based on what others here are reporting that I may have a hole in my fuel tank!

[NYNick]

Wait.
You track the gas mileage?
That's like the only thing I rarely watch!

[Arne2]

'84 3.2 with Steve Wong chip, otherwise stock. About 18 in town, mid-20's on the highway at quasi-legal speeds (i.e. keeping up with the rest of the traffic).

Originally Posted by NYNick

Wait.
You track the gas mileage?

You bet I do. Noticing a change in mileage is a good way to catch some types of problems.

Originally Posted by wannaporsche

1980 SC 164K miles w/2K on a new rebuild - 11 MPG in town

Am I the only one getting this low milage? I'm in Los Angeles, and 'in town' usually means a lot of stop-go-and-idle, but I'm starting to wonder based on what others here are reporting that I may have a hole in my fuel tank!

Sounds like your car might be running pretty rich. I can't recall if an '80 has an oxygen sensor or not. If it does, that would be the first thing I'd suspect, since when they go bad they generally fail to full rich on the mixture.

[matt f]

Track car 6-7 mpg of 110 leaded.
Road car 17ish hway and 7ish flogging it.

[NoYouRelax]

About 8 MPG during "Italian Tune Up"

[mrm930]

don't know - don't care

[WPOZZZ]

Originally Posted by wannaporsche

1980 SC 164K miles w/2K on a new rebuild - 11 MPG in town

Am I the only one getting this low milage? I'm in Los Angeles, and 'in town' usually means a lot of stop-go-and-idle, but I'm starting to wonder based on what others here are reporting that I may have a hole in my fuel tank!

I go that much on my 80 sc after a rebuild, too.

[kjchristopher]

Originally Posted by wannaporsche

1980 SC 164K miles w/2K on a new rebuild - 11 MPG in town

Am I the only one getting this low milage? I'm in Los Angeles, and 'in town' usually means a lot of stop-go-and-idle, but I'm starting to wonder based on what others here are reporting that I may have a hole in my fuel tank!

My mixed driving (50/50) in LA gives me 17-18. Pure city is rare, but I had one of those tanks - 15. 1982 911SC, 3.2ss/964 & SSI

[regency]

averaging 16-17 mpg

1973 911T MFI Coupe, Aubergine

(rebuilt to E spec)

S

[MichaelN]

1981 SC, 150k, Chevron regular - 20-22 mpg in mixed driving. Throw an autocross into the mix and it usually drops to around 18 mpg.

[Demetri]

83 SC ROW - 24mpg mostly highway