2008-01-20 384.9 10.67 36.07 "120th tankful"
2008-01-25 341.8 10.03 34.08 ""
2008-01-31 359.3 9.936 36.16 ""
2008-02-05 332.4 9.855 33.73 ""
2008-02-10 378.6 10.67 35.48 ""
2008-02-15 388.5 10.3 37.72 ""
2008-02-20 382.4 10.39 36.8 ""
2008-02-25 356.7 9.897 36.04 ""
2008-02-29 363 10.17 35.69 ""
2008-03-05 379.3 10.43 36.37 ""
2008-03-10 390.7 10.08 38.76 "130th tankful"
2008-03-15 372.6 9.721 38.33 ""
2008-03-20 337.7 9.728 34.71 ""
2008-03-25 396.3 10.45 37.92 ""
2008-03-31 397.4 10.79 36.83 ""
2008-04-05 390.2 10.08 38.71 ""
2008-04-10 380.9 10.43 36.52 ""
2008-04-15 392.3 10.87 36.09 ""
2008-04-20 410.3 9.693 42.33 ""
2008-04-25 409.5 10.74 38.13 ""
2008-04-30 429.4 9.861 43.55 "140th tankful -- BEST one, so far..."
2008-05-05 409.8 10.23 40.06 ""
2008-05-10 393.2 9.901 39.71 ""
2008-05-15 412.6 9.977 41.36 ""
2008-05-20 416.8 10.19 40.9 ""
2008-05-27 427.4 9.988 42.79 "added a test aero mod at about 3/10th of a tank -- the next one will (maybe) show the benefits?"
2008-06-02 439.3 9.648 45.53 "first full tank with temporary duct tape aero mod of upper grill"
2008-06-07 452.5 10.5 43.1 ""
2008-06-12 458.8 9.882 46.43 "It seemed like I might get even better MPG, but on the commute home today, I was forced to creep along between stops for 15-20 miles... :-("
2008-06-20 484.9 10.47 46.31 ""
2008-06-26 477.2 10.22 46.69 "150th tankful and the best mileage so far!"
2008-06-29 376.5 8.131 46.3 ""
2008-06-30 262.5 6.224 42.18 "Install ScanGauge II !"
2008-07-06 323.7 7.173 45.13 ""
2008-07-11 399.2 8.626 $4.059 46.28 ""
2008-07-17 509.3 10.71 $4.059 47.55 "Best tank so far -- first with Plexiglas wheel skirts"
2008-07-24 456.8 9.977 $3.999 45.79 ""
2008-07-29 430.1 9.876 $3.899 43.55 "First tank w/ AirTabs -- not all that promising. I did have a lousy start with heavy rain (A/C req'd.) and almost half the tank with four people.

Oh, and I made new Coroplast wheel skirts."
2008-08-08 480.5 10.12 $3.779 47.48 "I removed the AirTabs after about 1/2 the tank had been used, so things are looking up! The AirTabs were lowering my mpg's."
2008-08-14 480.6 10.41 $3.699 46.17 "I removed some tape that sealed up the ""chin"", which allows some air to vent out; rather than passing through the radiator. The MPG's increased from 45.8 up to 46.4-ish (on the ScanGauge, anyway...)."
2008-08-20 472 10.45 $3.659 45.17 "160th Tank"
2008-08-26 467.8 9.894 $3.529 47.28 "*may need to be revised downward, after I fill the next tank -- I filled it at a different station.
**I pumped 9.294 but this was not accurate, so I've adjusted it to what it was on the SGII (+0.6 gal)"
2008-08-31 467.2 10.24 45.63 "**This tanks was adjusted -0.6 gal because the previous tank was under filled."
2008-09-08 447.8 9.688 $3.499 46.22 ""
2008-09-14 418.1 9.436 $3.709 44.31 ""
2008-09-19 406.1 8.673 $3.459 46.82 ""
2008-09-24 468.4 10.29 $3.459 45.52 ""
2008-10-02 465 10.01 $3.399 46.45 "Added zigzag tape at the top of the windshield halway through the tank -- this seems to be helping quite a bit."
2008-10-08 495.8 11.1 $3.199 44.67 ""
2008-10-15 479.9 10.58 $2.959 45.36 ""
2008-10-20 430.5 9.771 44.06 "170th Tank!"
2008-10-26 362.7 8.766 $2.639 41.38 ""
2008-11-13 417 9.55 $2.199 43.66 "Note: I drove my Mom's Prius for 9 days, and averaged ~53mpg for the duration! Hence, the lag time between fillups..."
2008-11-20 418 10.19 $1.999 41.02 ""
2008-11-25 463.3 11.25 $1.879 41.18 ""
2008-12-04 383.5 8.727 $1.799 43.94 "Last ~1/2 tank was with snow tires & smooth wheel covers."
2008-12-09 434.7 9.9 $1.749 43.91 "1st full tank with snow tires & smooth wheel covers"
2008-12-15 456.4 10.49 $1.709 43.51 ""
2008-12-21 431.2 10.47 $1.699 41.18 "Snow! Cold! And I'm managing to stay above 40mpg..."
2008-12-29 412.8 9.7 $1.639 42.56 ""
2009-01-03 434.5 10.22 $1.599 42.51 "180th Tank"
2009-01-09 451.4 10.53 $1.679 42.87 "Price went back up!"
2009-01-16 416.7 9.77 $1.739 42.65 "Very cold temps -- in the low single numbers to below zero on some mornings"
2009-01-22 477.3 11.28 $1.759 42.31 ""
2009-01-30 421.2 9.554 $1.799 44.09 ""
2009-02-06 458.8 10.92 $1.859 42.01 ""
2009-02-13 499.5 10.79 $1.899 46.29 "2nd farthest distance on a tank, so far! And -- this is in February! A few days in the upper 30's and low 40's, and two days close to 50F is all it took to nearly set a new high! :-)"
2009-02-23 459.2 10.45 $1.879 43.94 ""
2009-03-01 453.1 10.45 $1.879 43.36 ""
2009-03-08 439.2 9.991 $1.879 43.96 ""
2009-03-14 474.4 10.59 $1.879 44.8 "190th tankful"
2009-03-21 505.3 10.67 $1.879 47.36 "2nd best/longest so far, and it's still cool.
I've changed back to my summer tires, just at the end of this tank."
2009-03-30 479.1 10.18 $1.929 47.06 "***I have added 3.5% to the mileage starting on this tank, because of odometer error, with my Yokohama tires. This is a little bit conservative -- the error was ~0.5 miles per 14 miles.

462.9 + 3.5% = 479.102"
2009-04-05 441.6 9.868 $1.959 44.75 "426.7 + 3.5% = 441.635"
2009-04-10 462.2 10.1 $1.929 45.76 "Added back the rear underpan (w/ slight add'l mod) at ~1/3 to go in the tank

446.6 + 3.5% = 462.231"
2009-04-16 505.1 10.65 $1.939 47.43 "488.1 + 3.5% = 505.184"
2009-04-23 488.6 10.64 $2.039 45.92 "Price is back up above $2/gallon

472.1 + 3.5% = 488.624"
2009-04-29 522.6 10.67 $1.999 48.98 "505.0 + 3.5% = 522.675"
2009-05-06 516.4 10.62 $2.059 48.63 "Added 0.3 gallons -- this station stops earlier than my main station

499.0 + 3.5% = 516.465"
2009-05-10 521.6 10.71 $2.209 48.7 "Subtracted 0.3 gal because previous fillup was too small.

504.0 + 3.5% = 521.64

**Added front wheel skirts!"
2009-05-14 524.4 10.61 $2.229 49.43 "506.7 + 3.5% = 524.4345

200th Tankful"
2009-05-21 529.1 10.89 $2.329 48.59 "511.3 + 3.5% = 529.196

I swapped out the passenger mirror for a smaller one, about 1/3 into this tank."
2009-05-27 515 10.24 $2.399 50.29 "497.6 + 3.5% = 515.016

Added the passenger side video mirror about 1/3 through tank, and the driver side video mirror about 2/3 of the way through the tank."
2009-06-03 517.6 10.8 $2.499 47.93 "500.1 + 3.5% = 517.604"
2009-06-08 542.2 10.61 $2.579 51.1 "523.9 + 3.5% = 542.237

Longest distance so far!"
2009-06-14 473.4 9.94 $2.599 47.63 "457.4 + 3.5% = 473.409"
2009-06-19 523.4 10.39 $2.719 50.38 "505.7 + 3.5% = 523.4"
2009-06-26 540.5 10.87 $2.599 49.72 "522.3 + 3.5% = 540.581"
2009-07-06 545.4 10.95 $2.579 49.81 "527.0 + 3.5% = 545.445

Longest tank so far..."
2009-07-14 519.5 10.42 $2.509 49.86 "502.0 + 3.5% = 519.57

I lost the Coroplast pan under the hatch area, and as it started to fail, it was ""parachuting"" and lowered my mileage..."
2009-07-18 536.4 10.64 $2.559 50.41 "518.3 + 3.5% = 536.441

This tank would/could have been ~2.5mpg better, but I drove ~160 miles at the end on hilly highways, with some A/C use, so it dropped from 50.2 (on the SGII) to 47.5...

210th Tankful"
2009-07-23 559.2 11.02 $2.499 50.74 "540.3 + 3.5% = 559.2105

It's a new distance high!"
2009-08-13 543.7 10.52 $2.699 51.68 "525.4 + 3.5% = 543.789

Best mileage so far!"
2009-08-20 579 10.78 $2.699 53.71 "559.5 + 3.5% = 579.083

New record distance & new MPG high! Woo hoo!"
2009-08-27 572.5 11.06 $2.659 51.76 "553.2 + 3.5% = 572.562"
2009-09-07 505.5 10 $2.599 50.55 "488.5 + 3.5% = 505.5975"
2009-09-13 545.5 10.76 $2.559 50.7 "527.1 +3.5% = 545.5485"
2009-09-22 537.1 11.04 $2.559 48.65 "519.0 + 3.5% = 537.165"
2009-09-30 534.9 10.43 $2.489 51.28 "516.9 + 3.5% = 534.9915

10.23 gallons + 0.2 = 10.43"
2009-10-05 474.9 9.99 $2.409 47.54 "458.7 + 3.5% = 474.9615

10.19 gal. - 0.2 = 9.99

~half the tank without the rear wheel skirts"
2009-10-12 485.9 10.38 $2.539 46.81 "I rechecked the calibration of my odometer, and now that the tires have worn down some (they are close to done), the correction is dropped to just 2.3%. So:

475.0 + 2.3% = 485.925

Also, I reinstalled the rear wheel skirts with ~1/4 tank left.

220th Tankful"
2009-10-15 512.1 11.23 $2.439 45.6 "500.6 + 2.3% = 512.1138"
2009-10-24 473.7 10.08 $2.639 46.99 "463.1 + 2.3% = 473.7513"
2009-11-09 471.9 10.8 $2.569 43.69 "458.2 + 3% = 471.946 -- I have recalbrated the odometer 'cause I now have my snow tires installed... 10.7 miles registered for an 11.1 mile trip = 3.7% error. I will use a 3% correction."
2009-11-19 492.1 10.66 $2.579 46.16 "477.8 + 3% = 492.134"
2009-12-01 468.8 10.53 $2.579 44.52 "455.2 + 3% = 468.856"
2009-12-15 454 10.67 $2.569 42.55 "440.8 + 3% = 454.024"
2010-01-01 428.4 10.94 $2.609 39.16 "416.9 + 3% = 428.48"
2010-01-15 416.2 10.45 $2.759 39.83 "404.1 + 3% = 416.223"
2010-01-28 438 10.68 $2.639 41.01 "429.5 + 2% = 438.09"
2010-02-13 453.6 10.65 $2.619 42.59 "444.8 + 2% = 453.696000000000001

230th Tankful"
2010-02-25 442.4 10.8 $2.719 40.96 "433.8 + 2% = 442.476"
2010-03-12 479 10.44 $2.679 45.88 "469.7 + 2% = 479.094"
2010-03-26 462.6 10.79 $2.639 42.87 "453.6 + 2% = 462.672000000000001"
2010-04-06 465.2 10.53 $2.729 44.18 "456.1 + 2% = 465.222"
2010-04-22 476.4 10.45 $2.879 45.59 "459.2 + 3.75% = 476.42

First half of tank w/ X-Ice snow tires = +2%
Second half of tank w/ Nokian H tires = +5.5%
Odometer read 18.0 miles for actual distance of 19.3 miles = 5.95%, or nearly 6%. The Nokian H tires are 65 series vs the 60 series that are stock."
2010-05-02 470.6 10.62 $2.849 44.31 "446.1 + 5.5% = 470.6355"
2010-05-08 604.8 13.5 $2.999 44.8 "573.3 + 5.5% = 604.8315

This tank was on the way to the Green Gran Prix -- I added 5 gallons even so I could get there. So it is a fillup plus the 5 gallons."
2010-05-13 490.8 11.1 $2.829 44.22 "465.3 + 5.5% = 490.8915"
2010-05-24 517.1 10.99 $2.699 47.05 "490.2 + 5.5% = 517.161"
2010-06-07 511.3 10.94 $2.669 46.74 "484.7 + 5.5% = 511.3585

240th Tankful"
2010-06-18 452.1 9.889 45.72 "428.6 + 5.5% = 452.173"
2010-06-20 483.2 9.888 48.87 "458.1 + 5.5% = 483.2955"
2010-06-23 475.4 10.83 43.9 "450.7 + 5.5% = 475.4885"
2010-06-25 472.4 10.45 45.21 "447.8 + 5.5% = 472.429"
2010-06-25 508.4 10.38 48.98 "481.9 + 5.5% = 508.4045"
2010-07-05 522.1 11.26 $2.669 46.37 "494.9 + 5.5% = 522.1195"
2010-07-15 560 11.22 $2.619 49.91 "530.9 + 5.5% = 560.0995
Third farthest on a tank, so far!!"
2010-07-29 572.5 11.05 $2.599 51.81 "542.7 + 5.5% = 572.5485
Farthest on tank, so far!
I'm fairly sure this tank was an under fill (different station), so MPG was not really as high."
2010-08-05 509.5 10.87 $2.689 46.87 "483.0 + 5.5% = 509.565"
2010-08-20 527.9 11.05 $2.669 47.77 "500.4 + 5.5% = 527.922

250th Tank since the car was new! I have a record of all the gasoline I have ever pumped into it..."
2010-08-30 525.1 10.98 $2.649 47.82 "497.8 + 5.5% = 525.179"
2010-09-16 527.7 11.15 $2.629 47.33 "500.2 + 5.5% = 527.711"
2010-10-04 489.4 11.08 $2.639 44.17 "463.9 + 5.5% = 489.4145"
2010-10-17 480.7 10.83 $2.779 44.39 "455.7 + 5.5% = 480.7635"
2010-10-28 478.8 11.14 $2.789 42.98 "453.9 + 5.5% = 478.8645"
2010-11-14 468.7 10.82 $2.909 43.32 "444.3 + 5.5% = 468.7365"
2010-12-05 455.7 10.6 $2.949 42.99 "432.0 + 5.5% = 455.76"
2010-12-20 455.9 10.98 $2.969 41.52 "435 odometer total
350 miles on Nokian H + 5.5% = 369.25
85 miles on Michelin X-Ice + 2% = 86.7
455.95 actual total"
2011-01-02 463.5 10.55 $3.049 43.93 "454.5 + 2% = 463.59

Price is back up above $3 / gallon..."
2011-01-15 411.6 9.97 $3.079 41.28 "403.6 + 2% = 411.672000000000001

260th Tank"
2011-02-01 447.3 10.82 $3.129 41.34 "438.6 + 2% = 447.372"
2011-02-15 445.4 10.83 $3.149 41.13 "436.7 + 2% = 445.434"
2011-02-24 503.9 11.23 $3.219 44.87 "494.1 + 2% = 503.982000000000001

~500 miles on a tank in February! :-)"
2011-03-05 484.7 10.96 $3.419 44.22 "475.2 + 2% = 484.704
20 cent per gallon price increase since last tank..."
2011-03-15 508 11.08 $3.479 45.85 "498.1 + 2% = 508.062000000000002"
2011-03-26 504.2 10.59 $3.489 47.61 "494.4 + 2% = 504.288"
2011-04-05 476.5 10.94 $3.599 43.56 "467.2 + 2% = 476.544"
2011-04-13 535.7 10.92 $3.599 49.06 "525.2 + 2% = 535.704"
2011-04-25 530 11.47 $3.829 46.21 "513.6 on the odometer
80% of that was on Michelin X-Ice, which adds 2% = 411 + 2% = 419.22
20% of that was on Nokian H, which adds 8% = 102.6 + 8% = 110.808
Adjusted total = 530.028

** I checked the correction factor for the Nokian H tires over a measured 24.3 mile route, and the odometer indicated 22.5 miles, so 8% correction is needed."
2011-05-06 547.6 11.11 $3.959 49.29 "507.1 + 8% = 547.668

270th Tank"
2011-05-14 574.4 11.5 $3.969 49.95 "531.9 + 8% = 574.452

A new record distance! :-)"
2011-05-26 535.7 10.72 $3.939 49.97 "496.1 + 8% = 535.788"
2011-06-07 597.9 11.64 $3.839 51.37 "553.7 + 8% = 597.996

Record distance on tank!"
2011-06-17 583.5 11.23 $3.699 51.96 "540.3 + 8% = 583.524"
2011-06-28 586.1 11.08 $3.639 52.9 "542.7 + 8% = 586.116"
2011-07-08 595.1 10.86 $3.639 54.8 "551.1 + 8% = 595.188

New record FE!"
2011-07-17 615.8 11.15 $3.699 55.23 "570.2 + 8% = 615.81600000000001

NEW RECORD MPG!
NEW RECORD DISTANCE!"
2011-07-26 616.2 11.48 $3.719 53.68 "570.6 + 8% = 616.248
Another new distance record!"
2011-08-04 587.1 10.93 $3.699 53.71 "543.7 + 8% = 587.196"
2011-08-16 596.5 11.58 $3.599 51.51 "552.4 + 8% = 596.592

280th Tank"
2011-08-24 566.1 10.522 $3.629 53.8 "524.2 + 8% = 566.13600000000001

**10.222 pumped in -- Probably an underfilled tank, since the car was tilted. May be 0.6 or 0.7 gallon too little?

***Next tank was about 0.5 more than the ScanGuage indicated, so I'll add 0.3 gallons to this tank and subtract 0.3 from the next tank."
2011-09-01 486.4 9.965 $3.599 48.81 "10.265 pumped in, but I'm transfering 0.3 gallon to the previous tank.

450.4 + 8% = 486.432"
2011-09-13 550.5 10.847 $3.559 50.75 "509.8 + 8% = 550.584"
2011-09-24 575.6 11.448 $3.519 50.28 "533.0 + 8% = 575.64"
2011-10-01 537.1 10.679 $3.469 50.29 "497.4 + 8% = 537.192"
2011-10-08 526.9 11.02 $3.449 47.81 "487.9 + 8% = 526.932

Price is still dropping here."
2011-10-21 562.356 11.663 $3.449 48.22 "520.7 + 8% = 562.35600000000001

I missed entering this tank until 21 May 2012 -- ooops"
2011-11-03 481.1 10.766 $3.449 44.69 "445.5 + 8% = 481.14"
2011-11-14 520.9 10.934 $3.339 47.64 "482.4 + 8% = 520.992"
2011-11-20 464.615 10.158 $3.339 45.74 "432.2 + 7.5% = 464.615
I checked the calibration today, and it is registering 23.2 miles in 25 miles (measured with mile markers) so the correction is now 7.5%.

290th Tank"
2011-11-27 508.905 11.116 $3.299 45.78 "473.4 + 7.5% = 508.905"
2011-12-09 512.775 10.983 $3.279 46.69 "477.0 + 7.5% = 512.775"
2011-12-19 473.26 11.123 $3.209 42.55 "451.8 / 2 = 225.9 + 7.5% = 242.8425
451.8 / 2 = 225.9 + 2% = 230.418
242.8425 + 230.418 = 473.2605"
2011-12-30 516.63 11.202 $3.229 46.12 "506.5 + 2% = 516.63"
2012-01-17 480.726 11.168 $3.379 43.04 "471.3 + 2% = 480.726"
2012-02-02 503.064 11.464 $3.459 43.88 "493.2 + 2% = 503.064000000000001"
2012-02-16 494.904 10.882 $3.559 45.48 "485.2 + 2% = 494.904000000000001"
2012-02-28 518.874 11.129 $3.669 46.62 "508.7 + 2% = 518.874"
2012-03-17 530.604 11.629 $3.699 45.63 "520.2 + 2% = 530.604"
2012-03-30 553.35 11.123 $3.779 49.75 "542.5 + 2% = 553.35

300th Tank"
2012-04-15 563.04 11.57 $3.889 48.66 "552.0 + 2% = 563.04"
2012-04-28 546.618 11.24 $3.799 48.63 "535.9 + 2% = 546.618"
2012-05-10 524.79 11.488 $3.699 45.68 "514.5 + 2% = 524.79"
2012-05-25 601.188 11.419 $3.659 52.65 "589.4 + 2% = 601.188

Third tank ever over 600 miles!"
2012-06-10 589.254 11.536 $3.499 51.08 "577.7 + 2% = 589.254"
2012-06-23 570.486 11.28 $3.379 50.58 "559.3 + 2% = 570.486 Last tank on Michelin X-Ice winter tires; as they're worn out."
2012-07-03 592.155 11.359 $3.339 52.13 "136 + 2% = 138.72 - Michelin X-Ice are all done...
557.8 - 136 = 421.8 + 7.5% = 453.435 - Nokian H back on the car"
2012-07-10 627.477 11.661 $3.359 53.81 "583.7 + 7.5% = 627.4775 New record distance (I think)!"
2012-07-22 607.052 11.42 $3.559 53.16 "564.7 + 7.5% = 607.0525

Price per gallon increased 20 cents since last fillup"
2012-08-03 623.5 11.497 $3.619 54.23 "580.0 + 7.5% = 623.5"
2012-08-18 622.962 11.6 $3.799 53.7 "579.5 + 7.5% = 622.9625

My gauge has changed the way it displays, and i ran out of gas... I had a can with about 1.1-1.2 gallons in it (a little spillage because the new-fangled safety spout wouldn't work at all, so I had to kludge a funnel out of a water bottle... Sheesh

10.407 pumped + ~1.2 = ~11.6 gallons, which agrees with the ScanGauge II."
2012-08-25 582.542 11.403 $3.729 51.09 "541.9 + 7.5% = 582.5425"
2012-09-10 575.447 11.101 $3.869 51.84 "535.3 + 7.5% = 575.44749999999999"
2012-09-26 557.065 11.121 $3.799 50.09 "518.2 + 7.5% = 557.065"
2012-10-06 517.505 10.771 $3.899 48.05 "481.4 + 7.5% = 517.505"
2012-10-13 487.297 10.87 $3.859 44.83 "453.3 + 7.5% = 487.2975"
2012-10-20 504.067 11.035 $3.799 45.68 "468.9 + 7.5% = 504.0675"
2012-10-28 517.29 10.876 $3.679 47.56 "481.2 + 7.5% = 517.29"
2012-11-05 476.332 10.673 $3.599 44.63 "443.1 + 7.5% = 476.3325"
2012-11-14 435.361 10.81 $3.359 40.27 "320 + 7.5% = 344 driven on Nokian H
408.7 - 320 = 88.7 + 3% = 91.361driven on Nokian Hakka R

** See above for Hakka R calibration"
2012-11-27 475.448 10.942 $3.559 43.45 "* I still need to calibrate my new Nokian Hakka R tires - they are slightly oversized at 185 60 15 (stock is 180 60 15).

** See above for calibration

461.6 + 3% = 475.448"
2012-12-14 469.68 10.699 $3.399 43.9 "I calibrated the odometer with the Nokian Hakka R's by driving 48.0 miles in both directions. The total should have been 96 miles, but it was ~93.2 miles so the correction is 3%.

I measured the route in Google Maps. I did not change the distance even though I drove maybe 0.1 miles on the driveways at both ends of the trip.

456.0 + 3% = 469.68"
2012-12-27 447.123 10.901 $3.399 41.02 "434.1 + 3% = 447.123"
2013-01-04 477.199 10.666 $3.399 44.74 "463.3 + 3% = 477.199"
2013-01-30 556.406 13.206 $3.439 42.13 "540.2 + 3% = 556.406
2.942 + 10.264 = 13.206
I had to put $10 worth in and then later I filled it normally."
2013-02-23 600.284 14.151 $3.699 42.42 "582.8 + 3% = 600.284
10.925 gal + 3.226 = 14.151 (Fillup + partial fillup)"
2013-03-09 482.864 10.894 $3.649 44.32 "468.8 + 3% = 482.864"
2013-03-24 696.898 15.506 $3.569 44.94 "5.541 (@ $3.609) + 9.965 (@ $3.569) = 15.506
676.6 + 3% = 696.898"
2013-04-06 493.37 10.878 $3.489 45.35 "479.0 + 3% = 493.37"
2013-04-17 475.97 10.374 $3.599 45.88 "58 miles + 3% = 59.74 (Nokian Hakka R)
389 miles + 7% = 416.23 (Nokian H)
447 miles + correction = 475.97
I will be checking the correction on the Nokian H's that are installed now.

This was the 330th time I filled the tank!"
2013-04-27 497.764 10.99 $3.369 45.29 "465.2 + 7% = 497.764"
2013-05-12 543.667 10.612 $3.419 51.23 "508.1 + 7% = 543.66700000000001

* This feels like an underfill * The SGII said that I had used about another gallon - we'll see at the next fillup.

Edit: This tank was 10.312 + 0.3 = 10.612
The 0.3 is ~1/2 the difference of the next fill - see above."
2013-05-26 469.73 10.531 $3.459 44.6 "439.0 + 7% = 469.73
Previous tank was under filled, so half the difference is ~0.3 gallons. This tank was 10.831 - 0.3 = 10.531"
2013-06-05 573.092 10.979 $3.459 52.2 "535.6 + 7% = 573.092"
2013-06-13 536.819 10.668 $3.479 50.32 "501.7 + 7% = 536.819"
2013-06-24 564.853 10.787 $3.519 52.36 "527.9 + 7% = 564.853"
2013-07-04 486.208 9.562 $3.339 50.85 "454.4 + 7% = 486.208"
2013-07-15 578.977 10.753 $3.649 53.84 "541.1 + 7% = 578.977"
2013-07-25 565.602 11.09 $3.689 51 "528.6 + 7% = 565.602"
2013-08-09 579.833 11.277 $3.649 51.42 "541.9 + 7% = 579.833

340th Tank!"
2013-08-19 586.467 10.628 $3.599 55.18 "548.1 + 7% = 586.467"
2013-08-27 579.084 10.905 $3.589 53.1 "541.2 + 7% = 579.08400000000001"
2013-09-08 483.64 9.734 $3.859 49.69 "452.0 + 7% = 483.64

[missed this tank - added 10 Apr 2014]"
2013-09-20 610.007 12.853 $3.569 47.46 "2.801 gal + 10.052 gal = 12.853
570.1 + 7% = 610.007"
2013-09-30 607.715 12.606 $3.429 48.21 "561.4 + 8.25% = 607.7155 miles
2.874 + 9.732 = 12.606 gallons

New Nokian eNTYRE's on front - 195/65 are ~8.3%+ since they are oversized."
2013-10-10 508.233 10.785 $3.329 47.12 "469.5 + 8.25% = 508.23375"
2013-10-19 508.017 10.42 $3.309 48.75 "469.3 + 8.25% = 508.0173"
2013-10-31 488.965 10.866 $3.289 45 "451.7 + 8.25% = 488.96525"
2013-11-13 509.9 10.936 $3.269 46.63 "(329.7 + 8.25%) + 153 = 509.90025

[missed this tank - added it 10 Apr 2014]"
2013-11-27 494.702 11.148 $3.409 44.38 "457.0 + 8.25% = 494.7025

[350th Tank!]"
2013-12-09 441.66 9.991 $3.409 44.21 "408.0 + 8.25% = 441.66"
2013-12-21 448.569 10.864 $3.429 41.29 "424.8 total on odometer
210 on Nokian eNTYRE's + 8.25% = 227.325
214.8 on Nokian Hakka R's + 3% = 221.244
Adjusted total miles = 448.569"
2013-12-28 472.255 10.748 $3.449 43.94 "458.5 + 3% = 472.255"
2014-01-08 439.398 10.847 $3.449 40.51 "426.6 + 3% = 439.398"
2014-01-19 481.834 11.055 $3.379 43.59 "467.8 + 3% = 481.834"
2014-01-30 446.505 10.774 $3.359 41.44 "433.5 + 3% = 446.505"
2014-02-07 356.689 8.498 $3.319 41.97 "346.3 + 3% = 356.689"
2014-02-18 414.06 10.382 $3.419 39.88 "402.0 + 3% = 414.06"
2014-02-25 460.101 10.691 $3.499 43.04 "446.7 + 3% = 460.101

[missed this tank - added 10 Apr 2014]"
2014-03-07 410.043 9.613 $3.479 42.66 "398.1 + 3% = 410.043

[missed this tank - added 10 Apr 2014]

360th Tank!"
2014-03-18 465.148 10.462 $3.499 44.46 "451.6 + 3% = 465.148"
2014-04-09 509.541 10.989 $3.499 46.37 "494.7 + 3% = 509.541"
2014-04-19 505.833 11.218 $3.559 45.09 "491.1 + 3% = 505.833"
2014-05-07 503.258 10.816 $3.659 46.53 "488.6 + 3% = 503.258"
2014-05-20 538.584 11.08 $3.639 48.61 "50.7m (Nokian Hakka R) + (447.6 + 9% (Nokian eNTYRE) = 538.584 miles

Edit: GPS distance 96.9 miles
Odometer distance 88.1 miles
This is over 9.8% error, so I'll use 9%."
2014-06-04 544.564 10.81 $3.639 50.38 "499.6 + 9% = 544.564"
2014-06-17 586.638 10.938 $3.609 53.63 "538.2 + 9% = 586.638"
2014-06-30 551.649 10.896 $3.559 50.63 "506.1 + 9% = 551.649"
2014-07-14 550.668 10.563 $3.669 52.13 "505.2m + 9% = 550.668"
2014-07-29 552.63 10.557 $3.579 52.35 "507.0 + 9% = 552.63
370th Tank!"
2014-08-13 549.251 10.735 $3.549 51.16 "503.9 + 9% = 549.251"
2014-09-02 554.047 10.447 $3.499 53.03 "508.3 + 9% = 554.047"
2014-09-17 530.83 11.055 $3.559 48.02 "487.0 + 9% = 530.83"
2014-09-29 545.654 10.713 $3.429 50.93 "500.6 + 9% = 545.654"
2014-10-11 528.65 10.587 $3.199 49.93 "485 + 9% = 528.65

First full tank with the new wheel skirts and strakes installed."
2014-10-30 509.684 10.757 $2.999 47.38 "467.6 + 9% = 509.684

Lowest price for gas in ~4 years!"
2014-12-03 487.245 10.646 $2.819 45.77 "451.5 total on odometer
370 on Nokian eNTYRE + 9% = 403.3
81.5 on Nokian Hakka R + 3% = 83.945
Calibrated total: 487.245"
2015-01-19 448.874 10.894 $2.219 41.2 "435.8 + 3% = 448.874

This was 60¢ / gallon less than the previous tank!"
2015-02-03 379.452 9.426 $2.079 40.26 "368.4 + 3% = 379.452"