Steve but Jefferson's opinions were more funny.
Tell you what…When I send my ex-wife her money…you can lick the stamps.

I liked both. But I liked Steve a little more.

Steve.

The show was a tad funnier with Steve. David Garrison, like Ed O'Neill, had a way of delivering his lines that made you laugh out loud. With Jefferson, the show didn't have as fresh of humor as during the Steve years. But Ted McGinley was good. He actually came up with the idea of Jefferson laughing at Marcy behind her back when Al makes fun of her. That was pretty clever. David Garrison did better acting, but I think that Ted McGinley ad-libbed better on the show.

Steve. The Ropers shouldn't of left ether.

Both had their moments and I have no complaints about either one really. I do prefer Jefferson because he's nowhere near as serious as Steve. I felt Al liked Jefferson more than Steve.

Jefferson. Can't see Steve being a member of NOMAAM.

Jefferson by a mile
Lara Croft Himiko! The First Sun Queen! This is Yamatai.

Steve no question about it. Jefferson kind of killed this show for me.

I'm seeing the episodes with Steve for the first time on TV, and I'm leaning towards him at the moment.
Jefferson is rather shallow.

Tough call. Early on I loved Steve but in the later seasons he wasn't as funny. Jefferson I didn't like at first because he was pretty much eye candy for Marcy and acted more like Peggy. Later on he did get more interesting though.

Well, in the past I would have said Steve, but today I would have to say Jefferson.
He just bought a different level of humor to the show, his constant switch between laughing about Marcy behind her back and being on her side whenever she pays attention to him is just hilarious.
Either way they're both good.
A gentleman will not insult me, and no man not a gentleman can insult me.

I always liked the episodes with Jefferson in them better.
My favorite Jefferson line (from the episode with Marcy's cousin Mandy visits. ) Marcy gets jealous at Mandy's better looks and attention from Jefferson, prompting Mandy to stay with the Bundy's. She later also kicks Jefferson out to spend the night at the Bundy's where he finds Al and Mandy talking alone in the living room
Jefferson: Hey wait- what are you two doing down here together in.your pajamas? (He turns to Mandy with a very interested look on his face) I thought you were, uh gay?
Mandy: I am.
Jefferson: (turning backs to Al) Does Peggy know about this?
Al: Peggy sent me down here!
Jefferson: (increasingly amused, declares) AAh-oh! You people really are (now whispering through a secretive grin).. sick.
He was just always so much funnier to me than Steve. And great looking. IMO, he brought a lot to the show. He is missed when viewing older episodes.

Jefferson all the way.
His chemistry with Al and Marcy were much better than Steve.

Definitely Steve. I found Jefferson to be too silly, one-note and almost easy to ignore. Jefferson too often blended into the background and could easily be dominated/overshadowed by Marcie and Al. Everything Jefferson could do, Steve could do. Steve could basically be Jefferson if the plot called for it, but Jefferson couldn't be Steve. Steve was much more developed and had more layers.

i agree!

Steve! However, there were some hilarious Jefferson moments but always gonna like the early years of Steve Rhoades.
My job is to inform, not persuade- Dan Rather

Both were great! Different but great!

Jefferson was a better physical comedian and could throw curve balls the audience didn't expect which made the show better.
Like the time when Bud was trying to study and he was upset with everyone and reached into his pocket and Jefferson screams "He's got a Gun!!!" Then after bud gave everyone money to get lost, he walks to Bud really slowly and ask like a little kid.. "Can I have some money to go to the nudie bar with Al??
Jesus would support Universal Health Care

Jefferson.
He had better dynamics with both Marcy and especially Al.

Probably Jefferson but Steve does have the best line - Al, I'm horny; what are you going to do about it?!

Jefferson. Steve and marcy were the contrast to peg and al. Newly weds. wealthy. The problem is they often killed the momentum because they got along to well.
Also the jokes about jeffersons past as a spy/secret agent whatever. The love boat and happy days jokes.

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I like Steve better, he was also a lot smarter than Jefferson.