The G6 sedan comes standard with a 2.4-liter four-cylinder engine. Standard features on the Special Value model ($18,765) include air conditioning, tilt/telescopic steering wheel, power windows, door locks, andmirrors, stereo with CD player, OnStar, and 16-inch wheels with 215/60R16 tires. The base model ($20,290) adds cruise control, remote keyless entry and 17-inch wheels with 225/50R17 tires.
The GT sedan ($23,100), GT coupe ($23,100), and GT convertible ($30,210) come with a 3.5-liter V6 and . interior upgrades that include a four-way adjustable driver's seat with power height adjustment and a 200-watt Monsoon premium sound system.
The GXP sedan ($26,960) and GXP coupe ($26,755) feature a six-speed automatic transmission, sport-tuned suspension, modified front and rear fascias, dual chrome exhaust tips and a leather interior.
Options include adjustable pedals ($125), remote starter system ($190), and heated front seats ($250). The Preferred Package ($495) includes a cargo net, remote vehicle start, front and rear carpeted floor mats, trunk cargo net, leather-wrapped brake handle and shift knob, steering-wheel mounted audio controls and leather wrapped steering wheel. The Premium Package ($1,475) upgrades with leather-appointed front bucket seats (GT), leather-appointed front bucket seats with two-tone leather inserts (GXP), six-way driver seat adjuster (GT), heated driver and front passenger seats, remote vehicle start system, cargo net, front and rear carpeted floor mats and power adjustable pedals; and a Sun and Sound Package ($1,100), featuring a stereo with six-disc CD changer and power sunroof. Street Edition packages for the GT ($1,590) and GXP ($990) add hood scoops and spoilers.
Safety features that come on all models include driver and passenger frontal and side-impact airbags and ABS with traction control. OnStar is standard on all models, an excellent safety feature thanks to its ability to summon help.