But it is veteran playmaker O'Gara who has been given the nod for Saturday's Test in New Plymouth as Ireland attempt to break a 105-year duck against the Kiwis.
"Ronan has been playing well over the last couple of months and I think he deserves this start," said Ireland head coach Declan Kidney.
"I've said all along we're blessed because we have Ronan who is a top-class outside half and Jonathan who is gaining experience all the time and every opportunity he's got he's taken it.
"I think Ronan is the right guy for this game. There would be a mixture of reasons for it, some of it is just a feel, some of it is experience."
Kidney makes a total of 10 changes from the side that lost out to the Barbarians at Thomond Park last Friday, with skipper Brian O'Driscoll one of the high-profile returnees.
The legendary Leinster centre is joined by provincial team-mates Gordon D'Arcy, Cian Healy and Jamie Heaslip in returning to the starting XV, while the Munster quintet of John Hayes, Donncha O'Callaghan, David Wallace, Mick O'Driscoll and Tomas O'Leary are all recalled alongside Ospreys wing Tommy Bowe.
Connacht duo Sean Cronin and John Muldoon also start for an Ireland side missing the likes of first-team regulars Paul O'Connell, Stephen Ferris, Jerry Flannery, Keith Earls and Luke Fitzgerald, as well as squad members Kevin McLaughin, Shane Horgan, Rory Best and Fergus McFadden.
"There were marginal calls to be made in several positions but that's the job of the coach to make those calls," said Kidney, who also named the uncapped Dan Tuohy and John Fogarty among his replacements.
"Whenever you pick your national team there's an onus on you to do that (pick your strongest side). All these boys are training well.
"When you're playing the number 1 ranked team in the world, the only thing you have your eyes fixed on is them, because if you take eyes off them you're going to get a thumping.
"Saturday is the reason why you get into sport - to play the best teams in the world, especially on their own home patch. We'll see how we go against them. And what happens after that will look after itself."
Ireland vs New Zealand, Saturday, New Plymouth (8.35am UK and Ireland time)
15 Rob Kearney (Leinster)
14 Tommy Bowe (Ospreys)
13 Brian O'Driscoll (Leinster) (captain)
12 Gordon D'Arcy (Leinster)
11 Andrew Trimble (Ulster)
10 Ronan O'Gara (Munster)
9 Tomas O'Leary (Munster)
1 Cian Healy (Leinster)
2 Sean Cronin (Connacht)
3 John Hayes (Munster)
4 Donncha O'Callaghan (Munster)
5 Mick O'Driscoll (Munster)
6 John Muldoon (Connacht)
7 David Wallace (Munster)
8 Jamie Heaslip (Leinster)
Replacements
16 John Fogarty (Leinster) *
17 Tony Buckley (Munster)
18 Dan Tuohy (Ulster) *
19 Shane Jennings (Leinster)
20 Eoin Reddan (Leinster)
21 Jonathan Sexton (Leinster)
22 Geordan Murphy (Leicester Tigers)
* Denotes uncapped player
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