The Consumer Reports Annual Autos Issue is a great resource for researching the best cars. Flip through the magazine or tour the website, and it is clear there are many great choices. However, just as there are many good cars available, there are also many that fail miserably. These vehicles fall way below our threshold to be recommended. Take a look at our disappointing dozen—the cars Consumer Reports has recently tested with the lowest test scores. In perusing these models, you'll find a wide range of car types, counting small cars, sedans, SUVs, and pickups. Likewise, there are several brands represented, with Jeep and Toyota each appearing three times. Our criticisms of these vehicles are often similar, with common shortcomings…