Pontiac G6 GT/GTP Convertible Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2006

20 MPG combined

Latest Model

2007

18 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2007	Regular	15	22	18	$3,750	Details →
2006	Regular	17	25	20	$3,400	Details →