Recent Arrival! Complimentary YOUNG AUTO CARE comes with each vehicle purchase including complimentary oil changes and tire rotations..3.8L V6 SFI Series III 4-Speed Automatic with Overdrive FWD 20/30 City/Highway MPGReviews:* If you like the strong lines found on the former Bonneville and Grand Am, you’ll like the look of the Grand Prix. Big enough to carry five people, the Grand Prix makes a good choice for the family-oriented driving enthusiast. Source: KBB.comTax, title, license and doc fees extra.