When it comes to small cars, some of the most efficient models are powered by diesel engines, especially if you spend more time on the highway than you do on city roads. While the number of diesel offerings seems to be shrinking, there are still plenty of choices out there. In order to help narrow down the field, we have come up with a list of the 10 best small diesel cars from both the past and the present.
While there are other models out there, we've chosen ten of the newer used or brand new models that are commonly available. Read on to discover what made our list, sorted by fuel economy from least to most efficient.