2009-09-25 129 3.5 $2.99 36.86 "first on-the-road tank; was found out later that this was running very poorly due to highly irregular fuel pressure."
2009-10-06 350 8.35 $2.7 41.92 "Improved economy due to resolving the fuel pressure issues."
2009-10-09 294.4 6.7 $2.71 43.94 "Still not even 1000 miles on this engine, it may take some time to break in due to already switching to full-synthetic oil."
2009-10-19 364 7.951 $2.6 45.78 "about 1300 miles on the engine clock"
2009-10-24 417.9 8.952 $2.599 46.68 ""
2009-10-30 453 9.968 $2.71 45.45 ""
2009-11-11 452.7 10.34 $2.78 43.78 ""
2009-11-19 441.2 9.865 $2.78 44.72 "Changed into very-slightly-smaller diameter snow tires at just before the beginning of this tank."
2009-12-01 404.5 9.279 $2.599 43.59 "Miles Recorded: 408.5
Calculated Mileage Difference Due to Tire Size: -1.2%
Miles Actual: 404.47

Darn winter tires & conditions...."
2009-12-09 456.4 11.49 $2.599 39.72 "Whoa... weren't expecting the mpg to drop so much during this weather... well, it dropped to a point of excluding our casual 'trip' driving distance, and we ran out of gas on the commute back from school. What an interesting, and not fun, experience.

Read Mileage 462 - 1.2% = 456.46"
2009-12-22 391.5 9.3 $2.54 42.1 "Read Mileage 396.2 - 1.2% = 391.45"
2010-01-27 425.8 9.762 $2.66 43.62 "Read Mileage 431 - 1.2% = 425.83"
2010-01-31 371.9 8.65 $2.67 42.99 "Read Mileage 376.4 - 1.2% = 371.88"
2010-02-05 427.8 9.041 $2.769 47.32 "Read Mileage 433 - 1.2% = 427.8"
2010-02-06 83.78 2.193 $2.75 38.2 "Read Mileage 84.8 - 1.2% = 83.78
Grr, short, inefficient drives around town. "
2010-02-12 385.4 8.13 $2.77 47.4 "Read Mileage 390.1 - 1.2% = 385.42"
2010-02-21 417.2 9.39 $2.77 44.43 "Read Mileage: 422.3 - 1.2% = 417.23"
2010-02-27 432.4 9.8 $2.73 44.12 "Read Mileage: 437.7 - 1.2% = 432.4"
2010-03-24 353.4 7.735 $3.019 45.69 "Read Mileage: 357.7 - 1.2%(4.29) = 353.41"
2010-04-05 308.7 6.587 $3.12 46.87 "Read Mileage: 312.5 - 1.2% = 308.75
Yep, still using the winter tires here...yet filling with nothing but Premium Gas."
2010-04-09 437.5 9.536 $3.12 45.88 "Read Mileage: 442.9 - 1.2% = 437.585"
2010-04-16 432.6 9 $3.12 48.07 "Mileage Read: 437.9 - 1.2% = 432.65"
2010-04-23 449.7 9.241 $3.12 48.66 "Read Mileage: 455.2 - 1.2% = 449.74"
2010-04-29 397.4 8.166 $3.12 48.67 "Summer Tires Back On - No Need To De-Value Mileage Readings... YAY!"
2010-05-10 370.5 8.009 $3.12 46.26 ""
2010-06-10 349.5 7.265 $3.03 48.11 ""
2010-07-07 498.6 9.69 $3.1 51.46 "WooHoo, broke 50MPG... and almost made the first 500 Mile tank."
2010-07-27 432 8 $2.9 54 "filled this tank with gas that has ethanol(yuck) and I'm not sure how full/overfull it was made. Nice number still!"
2010-08-01 409.5 8.6 $3.06 47.62 "Totally Unfair Fill-Up! Probably had it tilted about 20deg in favor of more gas ^_^"
2010-09-11 418 8.325 $2.9 50.21 ""
2010-10-01 726.6 14.79 $3.12 49.13 "Kinda cheated this tank because I added 5.2 gallons ""mid-trip"", but that's been accounted for."
2010-10-19 635 12.8 $3.12 49.61 "2nd in a row for partial fill - full fill tanks. Still nice MPG on these..."
2011-01-24 305.3 7.5 $3.17 40.71 ">_< Overfilled...

And we've got the winter tires on so -1.2%

309 Read Miles
-3.7(1.2%)
305.3 Actual Miles

Ahh, been using EGR-delete to see what happens... so far MPG's seem to have dropped, need warmer weather for a good comparison."
2011-07-20 466 8.93 52.18 ""
2011-08-04 469.3 9.094 $4.069 51.61 ""
2011-09-26 429 9.185 $3.699 46.71 "There were some rally-type racing moments on our driveway during this tank :P"
2011-11-23 423.4 9.347 $3.45 45.3 ""
2012-01-11 347.3 7.9 $3.16 43.96 ""
2012-03-28 357.4 8.088 $3.599 44.19 ""
2012-04-18 333.3 7.738 $3.749 43.07 ""
2012-07-23 463 9.381 $3.39 49.36 ""