Why does the Audi A6 have a plugin hybrid variant?

I heard that the Audi A6 has a plugin hybrid variant, but I'm not sure why. Can someone explain the purpose of this feature and how it differs from a traditional hybrid?

The plugin hybrid variant in the Audi A6 allows for even more efficiency and reduced emissions. It offers a larger electric range compared to a traditional hybrid, so you can drive for longer periods on electric-only power.

Not only does the plugin hybrid variant in the Audi A6 reduce your carbon footprint, but it also offers a more dynamic driving experience. The electric motor provides immediate torque, giving you a quicker, smoother acceleration.

The plugin hybrid variant in the Audi A6 is perfect for daily commuters who want to save money on gas and reduce their environmental impact. It's also a great option for those who want the luxury and performance of an Audi without the higher emissions.