3. 2012 Ford Mustang
Average paid: $23,105
The Mustang completes the Detroit muscle car trilogy by shaving off a bit of the price without giving up too much in performance. The V6 already kicks out 305 horsepower -- which, if you haven't noticed, seems to be the standard -- while getting roughly 30 miles per gallon on the highway. The high-performance Boss 302 engine from the original Mustang is back at a whopping 444 horsepower, but even that seems underpowered when compared with the Shelby GT500 model's 5.8-liter supercharged V8 and its obnoxious 662 horsepower.