Which beer style has an ABV range of 6.3-7.2?

Dunkels Bock is a strong traditional German beer style that is known for its rich, malty flavors and higher alcohol content. The typical alcohol by volume (ABV) range for Dunkels Bock falls between 6.3% and 7.2%. This style showcases a dark, malty profile, often with notes of caramel, toffee, and a slight nuttiness, making it a robust choice within the bock family.

In contrast, the other beer styles listed typically have lower ABV ranges. Altbier generally ranges from about 4.5% to 5.2% ABV, making it distinctly lower than Dunkels Bock. Vienna Lager typically has an ABV of around 4.5% to 5.5%, which again does not meet the criteria set by the question. Finally, Kellerbier – Pale, also falls in a lower ABV range, generally around 4.5% to 5.5%. Therefore, Dunkels Bock is the style that correctly matches the specified ABV range.