The 2014 Audi A8 L TDI courts hyperbole on many levels. The full-size luxury sedan is enormous and boatlike with decadent interior comfort. Then there's its fuel economy (at least for its size) of 24/36 mpg city/highway and its 856.8-mile range. Both double-take-inducing. Perhaps most ridiculous of all, a torque-heavy turbocharged 3.0-liter six-cylinder diesel propels it to 60 mph briskly considering the mass, but without reminding occupants of its diesel powertrain — Cars.com reviewer Joe Bruzek says they might wonder if the engine's even running at a stop. Read Bruzek's review below.