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Discussion Starter #1
Given that fuel economy was not likeley to have been a primary motivating factor for either the design team or its intended audience, I have heard some terrifying reports of what would seem to be excessive thirst in these cars.What have the members here been seeing?
 

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Pesto, I'm guessing you're in the UK, right? Reason to come here as petrol is cheaper :)

My GS doesn't have a read out for consumption but my previous Spyder always showed 17 Litres per 100 Km. And I mean always as it only ever showed a lower number twice for about 10 seconds. Could just be the Italian electronics... in contrast my Audi RS4 digital read out shows a way better 12 litres but current consumption as zero when stuck in a traffic jam which obviously can't be...
 

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Discussion Starter #3
Thanks Bimbo. Actually, I am in the US. I don't want to leave the impression that I am making my decision to buy, or not, on fuel consumption...I certainly am not. Its just that having heard these comments, I am curious and as always, looking for one more element to "muddy the waters". It has been my experience that the angle of extension of the right foot of the person occupying the drivers seat has quite a significant impact on these statistics, so the exact numbers really are mostly for reference at best...now all I need to do is figure out how to convert from L/km to mpg!!!
I look forward to hearing from others.
 

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I get about 14.5 in semi spirited city driving. It would be an issue if this was my daily driver though.
 

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Similar mileage here. An even 14mpg hard city driving and about 18mpg mostly highway driving.
 

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I consistently get 14 mpg in mixed driving. I once got 17 on an interstate trip. Lotta revs at speed, even in 6th, because 6th is definitely not intended as "overdrive."
 

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My trip display consistently shows 15-16 mpg whether I'm hard on it or coasting downhill(ok, maybe it gets up to 17mpg downhill). I have yet to figure out how the thing does it's calculation.

Anyway, if I got better mileage I'd be pissed off 'cause I paid the gas-guzzler tax on purchase.

Marc
 

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I've never paid much attention to the fuel efficiency on any of my cars mostly because of one main reason... I have a boat that drinks ~45 US gal. per hour and on a regular fishing day I ussually spend between 175 - 200 US gal. :roll: that's maybe what my Maserati would drink in a whole month, but after reading these posts I checked the "trip" thingy on my car and I was :shock: 7.1 mpg :shock:

I drive mostly on the sport mode, there are lots of traffic lights where I drive so it is mostly 1st., 2nd. and only sometimes 3rd. gear to 6500 rpm. then brake hard to start all over again. The 7.1 mpg. surprises me not because of the $$$ but because could that mean something wrong with my car...???
 

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The 7.1 MPG sounds like what I was getting, My display always showed from around that to the mid 9's. I never once filled up where I averaged over 9MPG on a tank. While i expected my mileage to be low as it was 99% town and city driving I never expected this low. I did not drive the thing that hard and am very surprised seeing people here getting much higher in city. Funny thing is I traded in my little 2 seater for a big V8 Lexus GX470 SUV and am now averaging 14MPG in city
 

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You're right :) I'm always the first one out and if not I'm always fighting my way through traffic... track racing is boring... obstacle racing is a lot more fun :wink:

Yes, I think octane has a direct effect with fuel consumption but I doubt it is that much as the difference between my car and most others is close to 50%, only Scott says he had similar numbers. I only fill up on the same Texaco station, one owned by a close friend. Texaco fuels here are imported from the US and they say it is 97, all other fuels are refined here and I don't trust them.

What rpm's do you normally run your car...??

When they did the software upgrade they also changed the fuel lines complete from the tank to the engine... they told me it was a recall made by the factory on all 2004 CC... I was under the car with the mechanic while he did the change and we checked thoroughly for leaks and it was OK, also I think that if it was a leak it would smell and it does not smells at all so I think a leak is out of the question...

I'll fill up and clear the trip meter today and be watching it very closely on the next tank.
 

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I am currently testing the Shell V-Power (100 octane, developped in collaboration of Ferrari) here in Switerland, 16 l/100km in average. My feeling is more power !!! I tried the same fuel with the Cayenne S of my wife and same feeling. Bimbo have you tried this new expensive fuel ?
 

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After several tanks, always the boost feeling, but very expensive: 0.24 CHF between 95 and 100 !
I cross the fingers for september too.
 

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Our 2002 Spyder Cambio always registered 8/10s of a mile per gallon when we first got the car. Thinking that wasn't right :), I had the dealer check out the problem.

Sure enough, the computer was bad. Now it always registers 18 mpg. I don't believe that either...

Based on pre-purchase reading, I was expecting about 12-13 mpg in teh city and 15-16 on the highway.
 

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Brad said:
Based on pre-purchase reading, I was expecting about 12-13 mpg in teh city and 15-16 on the highway.
That's what I get.

Steve
 

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My QP shows 20mpg on cruise control at 90mph on a motorway, a bit better at slower motorway speeds, down to 12 or so around town. I was fairly pleased with this. I had a 2.4 volvo that only did 24mpg at 90mph.
 
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