It was narrated from Anas that the Prophet ﷺ used to make his prayer very brief but still complete when leading people.

أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، أَنَّ النَّبِيَّ ﷺ كَانَ أَخَفَّ النَّاسِ صَلاَةً فِي تَمَامٍ .