The Malibu Boats M220 2021 vs Malibu FXi 2009 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Both boats share a closely matched power ceiling — 400 hp for the Malibu Boats M220 2021 and 400 hp for the Malibu FXi 2009. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Malibu Boats M220 2021 carries 79 gallons versus 46 gallons in the Malibu FXi 2009. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Malibu Boats M220 2021 is rated for 6 passengers, while the Malibu FXi 2009 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Malibu Boats M220 2021 could be the deciding factor.
Bottom line: Choose the Malibu Boats M220 2021 if your priority is putting more people on the water — it handles 6 passengers and at 22,5 ft it has the deck room to back that rating up comfortably. The Malibu FXi 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.