The 2011 Infiniti G ranks 6 out of 22 Upscale Midsize Cars. This ranking is based on our analysis of 60 published reviews and test drives of the Infiniti G, and our analysis of reliability and safety data.That the 2011 Infiniti G manages to stand out from other upscale midsize cars should tell you it’s good. But if you’re not sold on it yet, maybe its sporty drive, luxurious interior and low price will seal the deal.Infiniti’s G lineup has something for everyone. The G line has three different body styles (sedan, coupe and convertible) three different engines (ranging from 218 to 348 horsepower) and rear- or all-wheel drive. Reviewers say the G is a well-rounded car that can appease every potential buyer with its array of options.