We are flying from USA arriving at CDG 6AM on Sunday and our connecting Ari France flight leaves 1PM.

We (six people) would like to take a mini-van cab (I am assuming less traffic on Sunday Morning) and have a quick trip to Eiffel tower.

600AM arrival at CDG
600AM-700AM Immigration
30min extra time just in case
730AM-830AM mini-van cab to Eiffel tower
830AM-930AM walk around the tower
930AM-1030AM mini-van cab back to CDG
30min extra time just in case
1100AM airport check in / security / meal in CDG
100PM departure - connecting flight

1. Is this do-able? Is there anything we should know about?

2. IF this is do-able, do you have any taxi service to recommend? Or do i just walk in and take a cab from the taxi stop at CDG?

Thank you