2006-11-10 181 7.378 24.53 "historical data"
2010-06-20 292 10.55 27.68 ""
2010-08-10 357 11.68 30.57 ""
2010-10-07 510.8 15.81 32.31 "added Torque converter lock up
added manual gear selection

did a few idling tests during this tank which would have used a bunch of fuel so efficiency should be a bit better than this"
2010-11-22 256.4 7.436 34.48 ""
2010-12-09 380.1 10.83 35.1 ""
2010-12-26 385.8 10.46 36.88 ""
2011-02-25 384 10.6 36.23 ""
2011-04-19 301.3 8.495 35.47 ""