Huge difference. Sport is borderline uncomfortable in the city as it is so firm, but the body is so controlled in corners that tires become the limit (damn the driving nannies). Comfort is like a late 70s Caddy...very soft and floaty.
To each their own. My 570 or a 100... not really a contest for me. Came as shown for less than many 06-07 100s. Just gotta shop, have the cash, and be ready to move on a deal in a hurry.
You're leaving performance on the table. I flip the AHC mode knob on a daily basis. "Comfort" on surface roads to soak up the potholes, "sport" on the twisties, and middle for the interstate.
06-07 prices are scary close to 200 pricing - if you're willing to drop that coin, a 200 should be considered.
In the 100 realm, 5spd is the way, as it pairs with the 2UZ very well. A343 (4spd) is an exceptionally durable trans, but so is the A750 (5spd).
If I was going to a 100 again, it...