The Four Gospels: “Passion narratives with extended introductions.” (Craig Blomberg summarizing Martin Kähler)
“This disproportionate amount of attention to the last events of Jesus’ life reflects the centrality of the crucifixion in early Christian thought.”
Blomberg, Craig L. (2009-08-01). Jesus and the Gospels (p. 129). B&H Publishing Group. Kindle Edition.