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Author Topic: Real-world fuel consumption  (Read 81294 times)
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tpl
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« Reply #20 on: April 29, 2008, 06:32:53 am »

The Fit  gets between  37mpg (lowest ever seen on a sing;le tank of gas) and 44.5 mpg ( highest ever seen) depending on usage. The low number was  2 weeks of cold weather and just running errands around G. The high was last fall mostly highway with 4 up most of the time and the AC off.  This is from actual fillups  90% at the same gas station/same pump to the first click.  Thats IMPERIAL gallons.

The BMW which has a computer.  Over its life which for the first 3 years involved commuting UP the DVP and back DOWN the DVP, ie. "against" the traffic. averaged  about 10l/100 which is 28 mpg. On a highway trip at 120km/h with the summer tires it can get as low as 7.5l/100  or 8 with the winters. AC on appears to make no difference.
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« Reply #21 on: April 29, 2008, 09:11:33 am »

07 saturn vue AWD with the Honda drivetrain
30 mpg summer at 110 kmh
20 mpg in town
Winter driving in cold temps knocks it down 10-15%.
great gas mileage for the power of the vehicle.

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« Reply #22 on: April 29, 2008, 09:19:39 am »

Does anyone know a simple way to convert mpg (either imperial or US gallons, but say which) to L/100km?  I'd love to know what y'all are talking about.

I use this: http://www.onlineconversion.com/
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« Reply #23 on: April 29, 2008, 09:34:31 am »

2005 Mazda 6 Wagon w/92,000kms

Straight hwy with cruise set @ 125kph gets me between 8.25-8.75L/100 depending on winds.

With roof box add 0.50-0.75 L/100.

My last tank was 500kms of back hwy and 150kms of Toronto expressways/streets and got 8.4 L/100 with winter tires. The back hwy was sun roof open, 100kph with hard kickdowns for passing. The Toronto expressway is usually up to 149.9kph and the street includes a lot of 4-5K+ rpm heavy foot driving. Not the best for mileage I think. So I'm sure I was getting sub 8L/100 on the back hwys to only destroy it with my TO style driving.

Best hwy was 6.4L/100 but never duplicated.
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« Reply #24 on: April 29, 2008, 11:40:53 am »

After 5 months and 3600kms on my 535xi, my cumulative fuel use is 13.5L/100 or about 21 MPG Imperial.

My driving to date has been at least 90% urban. I need to do a road trip soon.... Grin
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« Reply #25 on: April 29, 2008, 12:10:09 pm »

2008 Mazda CX-7 FWD

Around town, last fill was 14.8 L/100Km or 19 mpg

Mostly highway run, 11.2 L/100 Km or 25 mpg

These are with an engine that has not been broken in yet as I only have 1,400 km on the vehicle.
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« Reply #26 on: April 29, 2008, 05:04:19 pm »

2008 Mazda CX-7 FWD

Around town, last fill was 14.8 L/100Km or 19 mpg

Mostly highway run, 11.2 L/100 Km or 25 mpg

These are with an engine that has not been broken in yet as I only have 1,400 km on the vehicle.

I should've gotten an SUV...  Grin
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« Reply #27 on: April 29, 2008, 08:02:03 pm »

Ok, so I've got a nice one here.

Polo 1.6L Flex Fuel Engine.

Using only gasoline it averages: 12L/100km~11L/100km (100% city driving with some bad traffic on the way back home, 6 km two way commute and some short trips along the day). Only tested it once on the highway, car fully loaded with 5 people and trunk full of stuff, 7.5L/100km.

Now the best part:

Using only ethanol: 18L/100km~16L/100km (same commute as with gasoline), never tested with ethanol on the road tho, too low autonomy.

Of course I've reached heaven doing 9L/100km with 100% gasoline, 100% city driving during one full tank right after an oil and filters change. But I've touched hell as well, doing 13L/100km with 100% gasoline and on 100% city driving. This car is really weird, each tank is a surprise.

Ps. The company pays the gas so any mileage is ok to me, heeheheheeheh.

Huh No offense intended, but do you have a lead foot? Tongue

His 6km 2 way commute may have something to do with his mileage . Car barely has time to warm up,this kills fuel mileage.
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« Reply #28 on: April 29, 2008, 08:29:22 pm »

Just filled the Rab again today....

And SUPRISE SURPRISE

Averaged 8.9L/100km with a bit of city driving (I'd say 80% highway 20% city).

That's quite of a jump from 10L/100km with 90% highway.

She's still under 4000km, but at least there's something to smile about today.  Smiley
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« Reply #29 on: April 29, 2008, 08:33:54 pm »

Less than 4,000 kms in the car.

Averaging 9.4 L/100 kms in pure city driving, with hitting VTEC a # of times per fill-up.


Mazda3 (2.3 litre) in the same conditions averaged 8.4 L/100 kms, and took regular gas.

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« Reply #30 on: April 30, 2008, 06:18:22 am »

Huh No offense intended, but do you have a lead foot? Tongue

Remember that ethanol has less energy per gallon than petrol; 9L/100km with ethanol is not nearly as bad as 9L/100km with gas.  This is also why fuel economy drops when you use E85.

Of course, but the numbers still seem quite high for a Polo with a 1.6L (looking at the gas numbers).
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« Reply #31 on: April 30, 2008, 08:41:30 am »

John's reports on his new '09 Corolla got me thinking about how useful real-world fuel consumption reports are.  So here's mine for my '06 Mazda3 GS (sedan, 2.0L engine, manual).

With the snow gone I am averaging about 8.5-9.0L/100km in all-city driving (the longest highway stint is only a couple of exits).

Today I took a drive down to Ogdensburg, New York.  I averaged 7.2L/100km on the way there with the cruise set at 105 km/h.  On the way back I got 6.2L/100km with the cruise set at 100 km/h (this is all according to the on-board fuel consumption computer which has proven generally accurate).  I must say that I'm very surprised at seeing such a big difference for such a small change in the speed.
did you fill up your tank in NY? it might be your answer, quality of fuel has impact on it's economy.
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« Reply #32 on: April 30, 2008, 08:49:05 am »

I think we just finished the worst tank ever for the Scoob!  The typical all-city driving consumption for it is 10L/100km, and we just got 12.5L/100km.  Youch!  Only 400km on 50L.  No idea why...
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« Reply #33 on: April 30, 2008, 10:56:03 am »

Less than 4,000 kms in the car.

Averaging 9.4 L/100 kms in pure city driving, with hitting VTEC a # of times per fill-up.


Mazda3 (2.3 litre) in the same conditions averaged 8.4 L/100 kms, and took regular gas.

My civic si just got 600km for 45 litres (7.5L/100km) on a hwy/city/vtec mix.  But yes, even though just 45 litres, that was a $1.41/L 91-octane fillup.
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« Reply #34 on: April 30, 2008, 10:58:14 am »

John's reports on his new '09 Corolla got me thinking about how useful real-world fuel consumption reports are.  So here's mine for my '06 Mazda3 GS (sedan, 2.0L engine, manual).

With the snow gone I am averaging about 8.5-9.0L/100km in all-city driving (the longest highway stint is only a couple of exits).

Today I took a drive down to Ogdensburg, New York.  I averaged 7.2L/100km on the way there with the cruise set at 105 km/h.  On the way back I got 6.2L/100km with the cruise set at 100 km/h (this is all according to the on-board fuel consumption computer which has proven generally accurate).  I must say that I'm very surprised at seeing such a big difference for such a small change in the speed.
did you fill up your tank in NY? it might be your answer, quality of fuel has impact on it's economy.

No.  I briefly considered looking for a gas station in NY but I had a meeting to get back to so I just picked up my parcel and went straight back home.  I'm still a little puzzled as to why a 5 km/h speed difference would translate into a 1L/100km difference in the fuel consumption.
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« Reply #35 on: April 30, 2008, 11:17:27 am »

I'm still a little puzzled as to why a 5 km/h speed difference would translate into a 1L/100km difference in the fuel consumption.

Besides the obvious factors as elevation change, wind direction, temperature....I always find that after some hwy running my mileage improves, ie: the second tank is always better than the first tank of gas.
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« Reply #36 on: April 30, 2008, 11:18:08 am »

I drive everyday to work on the same route and I get variations of up to 2L/100 km based on the computer's reading (which is pretty accurate). This is for a 23 km commute one-way with 90% highway (400/401). The return trip is always higher, going North on 400. I never tried to use the cruise control though.
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« Reply #37 on: April 30, 2008, 03:26:06 pm »

Less than 4,000 kms in the car.

Averaging 9.4 L/100 kms in pure city driving, with hitting VTEC a # of times per fill-up.


Mazda3 (2.3 litre) in the same conditions averaged 8.4 L/100 kms, and took regular gas.

My civic si just got 600km for 45 litres (7.5L/100km) on a hwy/city/vtec mix.  But yes, even though just 45 litres, that was a $1.41/L 91-octane fillup.

Wow, that's very good!

But you get to utilize 6th gear quite a bit; I can't as i drive in rush-hour/hilly area where 6th gear in city will give me no power to pull the car.
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« Reply #38 on: April 30, 2008, 04:01:17 pm »

Dodge Dakota Quad Cab 4.7 AWD. Rush hour commuting, full city, max speed 60 km/h.. Lots of red lights etc. 19L/100km. It's a good thing I am only commuting 3 days a week for a 240km/month total. I can coax 15L /100km on the highway at 120 km/h.

Volvo V70R. Full city outside of rush hour but congested. 11.5L/100kms. On the highway I can get it down to 10L/100km at 120 km/h.
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« Reply #39 on: April 30, 2008, 04:53:19 pm »

Dodge Dakota Quad Cab 4.7 AWD. Rush hour commuting, full city, max speed 60 km/h.. Lots of red lights etc. 19L/100km.

Thar sounds terrible at first, but then my neighbours Sienna and 4-Runner both average about 17L/100km in all city-driving.
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