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2009 328i: 23 suburban/31 highway

2007 Mazdaspeed 3(Mazdaspeed CAI, Hypertech tune): 24 mpg suburban/31 highway

2004 X3 2.5: 19 suburban/25 highway

1995 318ti(Turner/Conforti chip): 27 suburban/32 highway

1999 Wrangler Sahara(Banks Torque Tube Manifold): 16 suburban/18 highway

1975 2002A(Weber 32/36 DGAV, Delta Mark Ten B Capacitive Discharge Ignition): 17 suburban/22 highway
 
E0 regular: 23.7 mpg. (The dash readout said 24.8 -- the largest gap between computer and calculation I've seen in the 7 months I've had the car.)

This is only a little better than the 23 I saw a few months ago with E10 from Walmart, and that's some .25/gallon cheaper. I wonder if this station really has E0 . . .?

Still, I can go a solid two weeks between fillups. When I did that with the 21 mpg Park Avenue (which had the same size fuel tank), the low fuel light would be coming on.
 
Gassed up 12 days ago at a local, high-volume convenience store. E10 only, but regular was $2.99. When I filled up again at the same store yesterday, I calculated 23.9 mpg -- about the same as I've been seeing with the (supposedly) E0 I've been paying .30/gallon more for. So much for that store.

This time I put in some 13 gallons of 89, at .20/gal. more than regular. So far I feel no difference in the way the car drives. We'll see how the mpg goes next time.
 
Bimmer (2005) avg 25.2 MPG (mostly city)
Mazda 6 (2014) avg 38.2 MPG (mostly hwy)
Elantra (2003) avg around 32 MPG (mostly city)
 
Last edited:
7.2L/100km.
Or,
32.5mpg.
50/50 hwy-city.
banana2.gif
 
Just got a worst tank ever in my 99 TDI:
36.5mpg city, AC and very hard driving, idling, testing for boost leaks, ect.
This car is modded to about 160whp, but usually gets 40+
 
It varies with conditions, but, my most recent fuel stop was 22 litres (based on how much cash I had on my person, not a specific measure of volume or anything) which has currently driven me 190 ish miles and my fuel gauge is halfway between the bottom of the last marker and the top of the red zone.
I estimate another 50 or 60 miles till the fuel is at th same level it was at when I put the 22 litres in.

22/4.54=4.85 gallons.
240ish miles/4.85=49 mpg.

I'll have to wait till th tank is empty to prove those numbers, but they won't be far wrong, +/- 10% at most.
 
Filled up at the same E10 station on Friday: 24.6 mpg on their 89 (3.19/gal). So, a mileage increase of close to 3%, at a cost increase over regular (2.99) of about 6%. Not bad, but not great either.

However, this period my driving varied from the usual routine. I didn't commute to work a couple of days of the period; on one day I drove steadily at highway speeds to the airport and (4 days later) back home, etc. This upcoming period will be more typical.
 
700 mile round trip in the I35:

100% highway at 75-85 mph

26.6 mpg

During the 100 or so miles of slow driving (60 mph) the computer was showing mid-30s.
 
'01 Taurus w/ 24V V6 DOHC, I've owned it since mid July. Have driven approximately 2500 miles, roughly 50/50 highway and suburban at 23.2 MPG.
 
E10 premium: 380 miles, 16 gallons, 23.75 mpg. Not really worth the extra money for the 92 octane, I'll warrant. I filled up with 87 octane this time.
 
2011 2500 Dura 6.6 275/65/20
12.5L/100km

2013 1500 5.3L 265/60/20
14.0/100KM

both 95% highway

2X 2013 matrix/ 215/55/17

better mileage than the trucks

66% highway
 
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