An attractively styled midsize sedan from Pontiac, the G6 replaced the long-running Grand Am. Fortunately, the G6 has much improved interior materials and build quality compared to the Grand Am. Engines choices include a 2.4L I-4 with 167-bhp, a 201-bhp 3.5L V-6, or a 240-bhp 3.9L V-6 (GTP only). A 6-speed manual is optional on the GTP; all other models are equipped with a 4-speed automatic.