2011-12-23 267 8.6 31.05 "mostly city driving (stock configuration)"
2012-01-08 328 9.56 34.31 "mostly city driving (added warm air intake, racing disc wheel covers, partial grille block, and ScanGauge)"
2012-01-24 291 8.296 35.08 "mostly city driving (some driving style adjustments)"
2012-02-10 330 8.92 37 "mostly city driving (added wheel spoilers, some driving style refinements)"