Once you've built one of the world's most appreciated luxury sedans, what is a brand to do? If your name is Audi, you do your best to one-up the competition - and yourself - by introducing a fresh drivetrain. The 2014 Audi A8 L TDI is part of the German automaker's push to extend its turbodiesel dominance across its entire lineup. The TDI engine under the hood of the new Audi A8 L TDI not only offers the power that Audi buyers have come to expect from the premium manufacturer, but it also delivers far better fuel mileage than many of its gas-only counterparts - an increasingly important attribute even for luxury marques.
Let's take a look at 10 things you need to know about the 2014 Audi A8 L TDI.