Roy Keane takes charge of Town at Portman Road for the first time, after a rousing 3-0 victory at Cardiff in midweek.
"I prefer to go into a game like Sunday because it will have an edge," Coleman told the Coventry Telegraph. "It will be a big crowd, their players will want to impress the new manager and the manager will be keen to impress the fans.
"So we are up against it, but I prefer that rather than going into a game where everyone is on the beach.
"The potential backlash is we end up getting a hiding - and if we don't go about our business in the right way then we will, end of story.
"Ipswich will want to go to war with us, but we want to go to war with them."