1998 Chrysler Concorde

Hi. I know what you mean, but no different. It is intimidating because it's newer looking but if you follow the wires, they are almost the same and changing the plugs are not any harder. You must get the air filter housing, the clips or plastic screws hold the cover, then the bottom of the aircleaner comes off, you'll be able to see it better. 3.5L or 3.3L is easier than a engine mounted sideways. Use the best plugs, and wires, this way you can just do it once.
You'll need tools for it and a long and short extension. With a plug socket, and some spray silicone to spray into the new wires so they come off easier the next time. Step by step, take your time, cold engine work, ok. If you get stuck and need help just ask. One plug and one wire at a time, ok.