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Hey Y'all I just called the Pontiac help line and was told to bring the car in to a GM dealer. I was also told that after the break in period the fuel mileage would increase but that 19 mpg is way below what it should be. I'll letcha know how this goes.I didn't buy the car for its fuel economy but i...

Hey Y'all Thanks for the replies. Birmingham is a large city with several freeways and parkways so driving 'in town' does not mean stop and go. The 3.9 liter, 3600 lb car I traded in on the G3 did 23 mpg, my 3 liter minivan does about the same. My 1.3 liter Alfa does close to 30 mpg and my foot is o...

Help

I have a new G3 with 900 miles. At best, with sedate driving but with A/C on, it barely makes 19 mpg.

I'll change oil to Mobil 1 soon but I don't think it will decrease fuel consumption to 25 - 27 mpg.

Any ideas?

Regards from Birmingham AL