35 MPG @ 80 MPH... BS or True?
08-22-2008, 01:25 AM
#1
Rennlist Member
Thread Starter
35 MPG @ 80 MPH... BS or True?
08-22-2008, 01:56 AM
#3
Addict
Rennlist Member
Rennlist Member
Funny you should mention this. Just talking about gas mileage this evening. My old C4 got incredible MPG and always amazed me how long I could go between fill-ups. My replacement C2 tip however appears to be drinking gas like there is no tomorrow. I don't know what the actual mpg is but I am getting a tad concerned...
08-22-2008, 02:08 AM
#4
Pro
Join Date: Sep 2006
Location: SF Peninsula
Posts: 570
Likes: 0
Received 0 Likes
on
0 Posts
I don't buy that at all. At 80 mph cruise I get maybe 23-24mpg but that is a far cry from the claim. With the extra frictional losses of the C4 I believe it even less. It is a bunch of crap when people embelish in an attempt to dupe the rest of us.
08-22-2008, 02:34 AM
#5
Instructor
Join Date: Nov 2007
Location: Victoria Australia
Posts: 116
Likes: 0
Received 0 Likes
on
0 Posts
Total BS I might be able to get 25 mpg out of my 91/c2 if I keep the car at 65 MPH and no big revs between gears and keep it on the freeway any thing over that it averages 19-23 mpg with normal spirited driving.
08-22-2008, 08:22 AM
#6
Agent Orange
Rennlist Member
Rennlist Member
On 110 leaded maybe? Or maybe he was behind the slipstream of a truck going downhill? 
Kidding aside, the 964 has the lowest drag coefficient (Cd) of any Porsche ever built, so who knows...
I certainly can't achieve those numbers. My car's a binge drinker when it comes to gas.
Kidding aside, the 964 has the lowest drag coefficient (Cd) of any Porsche ever built, so who knows...
I certainly can't achieve those numbers. My car's a binge drinker when it comes to gas.
08-22-2008, 08:42 AM
#7
Three Wheelin'
I call bs. I have never seen higher than about 25, and I used the cruise for almost a full tank to get that. I love ebay. His car must have the flux capicitor hooked up differently that I do
Trending Topics
08-22-2008, 09:35 AM
#8
Rennlist Member
Er, I'm skeptical of this. What I had heard, was that it has the best Cd of the street-going air-cooled Porsches. In other words, it has a better Cd than the 993. I have to believe the 997 blows it away in Cd today...
08-22-2008, 09:46 AM
#9
Agent Orange
Rennlist Member
Rennlist Member
Charlie, that's the number I have in my head from Paul Frere's book. I have the next to last edition of the book (includes the 996, but not the 997).
Although better in the front, I think the wide hips and tires really hurt modern 911's in regard to Cd, but I'm not a pro at this.
Although better in the front, I think the wide hips and tires really hurt modern 911's in regard to Cd, but I'm not a pro at this.
08-22-2008, 10:05 AM
#10
Total BS. Especially with those "lightweight" US gallons!
Don't forget that there is a difference between a US gallon and an Imperial gallon.
1 US gallon = 3.785412 litres
1 UK gallon = 4.54609 litres
You might get 35mpg (UK Gallons) on cruise at 80kilometers per hour with a bit of slipstreaming on a good day but Miles - I doubt it. I do accept that cruise does do great things if you are happy to sit in the queue on the freeway.
I certainly don't get 35mpg UK or US!! Maybe I just don't want to try that hard....
Don't forget that there is a difference between a US gallon and an Imperial gallon.
1 US gallon = 3.785412 litres
1 UK gallon = 4.54609 litres
You might get 35mpg (UK Gallons) on cruise at 80kilometers per hour with a bit of slipstreaming on a good day but Miles - I doubt it. I do accept that cruise does do great things if you are happy to sit in the queue on the freeway.
I certainly don't get 35mpg UK or US!! Maybe I just don't want to try that hard....
08-22-2008, 10:13 AM
#11
Burning Brakes
Join Date: Mar 2003
Location: Dallas, then Annapolis - now Laguna Beach CA. Well, not so fast - I'm back in Dallas. For good!
Posts: 765
Likes: 0
Received 0 Likes
on
0 Posts
..... the 964 has the lowest drag coefficient (Cd) of any Porsche ever built, so who knows...
Is this true? More than the newer 996s / 997s? Hard to believe...
Is this true? More than the newer 996s / 997s? Hard to believe...
08-22-2008, 10:51 AM
#14
Nordschleife Master
uh - huh... 35 mpg
am reminded of Jon Lovitz's SNL character, Pathological Liar.
(Somewhere in that sales pitch is my wife... Morgan Fairchild!... yeah -- That's the ticket!)
am reminded of Jon Lovitz's SNL character, Pathological Liar.
(Somewhere in that sales pitch is my wife... Morgan Fairchild!... yeah -- That's the ticket!)
08-22-2008, 01:55 PM
#15
Instructor
Join Date: Mar 2004
Location: North Carolina, USA
Posts: 129
Likes: 0
Received 0 Likes
on
0 Posts
Actually, I might believe him. I do a good bit of highway driving between here (NC) and Georgia with round trips of around 660 miles. I noticed a HUGE gain in mpg after I lowered the car 1.5 in. I also have a K&N filter in it and our cars do gain the most of airflow of anydrop in K&N. Around the city (mind that I kick it into 5th pretty often) I get about 25 mpg but on the highway at 75 mph I get 34 mpg. I've done the calculation quite a few times because I didn't think i could go 600 miles between fill ups.
My 2 cents
My 2 cents