The final transaxle gear ratio is specific to each model trim level. They are not options. The 4 cylinder Ecotec will give you the best gas mileage even though its gear ratio is quite a bit shorter than the V6s.
1 - 1 of 3 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
We're a forum community dedicated to the Pontiac G6. Come join the discussion on performance modifications, accessories, troubleshooting, maintenance and more!