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Old 15-12-2011, 12:41 AM   #1
JFJ
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Default Ideal Highway Speed - 07 Fiesta Zetec

Hi All - just a quick question...

I am driving to Brisbane from Sydney next week and am wondering the best speed for fuel economy.

I think I will take the New England highway which I am assuming is 110km/h but I know my 2007 Fiesta Zetec is quite high on the RPM over 90km/h

Has anyone found the ideal highway cruising speed for these cars?

I seem to get around 500km from a tank with city driving....

Thanks!

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Old 15-12-2011, 12:49 AM   #2
trumpy73
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

50kph - To save max fuel
90kph - To save on fuel without falling sleep at the wheel

Personally I'd do the speed limit as the couple of bucks you save isn't worth the trouble.
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Old 15-12-2011, 07:04 AM   #3
kiwijohn42
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

90-100 is the most economical while still moving at a decent rate.
& turn the aircon off. That's the worst thing for fuel economy in a small car.
I average about 600km per tank, can do better on a long run driving sensibly.
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Old 15-12-2011, 08:05 AM   #4
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

For best fuel economy 50-70kmh. Of course at this speed you will fall asleep at the wheel and crash. I'd stick to 110km, so you a) stay awake and b) don't get written off. At 130-140kmh in my WS with 17 in wheels the cars pulling almost 4000rpm, which you really don't want to do for a long period of time.

Of course, a 6th gear would help, hey Ford?
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Old 15-12-2011, 08:39 AM   #5
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

If you're seriously concerned about the fuel usage you could try this, but you might need to leave now if you want to get there in time for Christmas lunch

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Old 15-12-2011, 11:51 AM   #6
JFJ
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

I like the bike option for best economy too!

The car had an A service at 60000km and is currently sitting on 65000kms - do I need to get anything looked at before setting off?
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Old 15-12-2011, 12:20 PM   #7
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

As the car has just had a service I would think just check over the usual things, fluid levels (oil, coolant, windscreen washer, brake), wiper blades, tyre pressures (including spare) jack and tools all in place ? Also make sure all your lights are working. Have a safe trip
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Old 15-12-2011, 01:18 PM   #8
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

Also, if you encounter rain some rain-x (or similar) does wonders to keep the screen clear.
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Old 03-01-2012, 11:59 PM   #9
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

Mine sat very nicely from Adelaide to the Nullabor and return at a very decent rate of knots. . . .

Fuel isnt an issue in a Fiesta.
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Old 08-01-2012, 01:05 PM   #10
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

Just thought I would let you all know that it ran brilliantly.

About 3500rpm on 110km/h but I ended up taking Buckets Way/Thunderbold Way (@ 90-100km/h) which I highly recommend between Sydney and Brisbane and loved ever minute of the drive. Also cut about 1.5 hours off going by the new england highway according to my tom tom.

I think I was roughly sitting on 700km per tank at that speed which I am pretty happy with..
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Old 08-01-2012, 06:28 PM   #11
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Default Re: Ideal Highway Speed - 07 Fiesta Zetec

Hehe, I still reckon the Fiesta is the best small car to be cruising on the highway with. What kind of fuel economy did you get?
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