The G6 features a 2.4L 164 horsepower engine, auxilary iPod input jack, one year of OnStar service, and an EPA-estimated 30 miles per gallon during highway driving. * Based on a 4-Speed Automatic Transmission. MSRP excludes destination charge.
The GXP adds a 3.6L V6 engine, increasing output to 252 horsepower. Additional features include StabiliTrak stability/traction control and a close-ratio 6-speed automatic transmission. * Based on a 6-Speed Automatic Transmission. MSRP excludes destination charge.
