Are Audi A4 cars equipped with all-wheel drive?

I'm looking to purchase a new Audi A4 but want to make sure it has all-wheel drive. Can someone confirm if all A4 models come with this feature or if it's optional?

Yes, all Audi A4 models now come equipped with all-wheel drive as standard. This improves handling and control in various road conditions.

Unlike previous versions, all Audi A4 models now come with all-wheel drive as standard. This ensures better grip and stability while driving.