Quattro is the designation of the all-wheel drive system used by the automobile company Audi. All Audi car models that are equipped with four-wheel drive carry this designation.

But how does Audi's all-wheel drive work, and why isn't Quattro like Quattro? We will shed some light on this in today's article.

The powertrain layout describes where the engine is located in the car and which axle is driven.

In addition to this information, however, the powertrain layout choice is also a key factor in determining the car's driving characteristics, production costs, and possible car bodies.

Vehicles with four-wheel drive are equipped with various additional indicators on the dashboard, which are absent in two-wheel drive vehicles. Most modern four-wheel drive vehicles operate with the default "AUTO" mode but allow switching to different modes.

But what does this default mode mean, and what do the other dashboard lights for four-wheel drive vehicles even represent?