And they carried the ark of God on a new cart, from the house of Abinadab, and Uzzah and Ahio were driving the cart.
Here is, I. David's pious proposal to bring up the ark of God to Jerusalem, that the royal city might be the holy city, Ch1 13:1-3. This part of the story we had not in Samuel. We may observe in this proposal, 1.
Commenting on 1 Chronicles 13:1-8
And they carried the ark of God in a new cart out of the house of Abinadab: and Uzza and Ahio drave the cart. (c) The sons of Abinadab.
In a new cart - Lest it should be profaned by being placed on any carriage that had been employed about common uses. Uzza and Ahio - All the versions understand אחיו achyo as signifying brother or brothers; so does Jarchi, who observes, from Sa2 6:3, that these were the sons of Abinadab.