The Malibu Boats Response TXi 2021 vs Malibu LXi 2010 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.
The power gap is worth calling out. Rated to 505 hp, the Malibu LXi 2010 has a 145-hp advantage over the Malibu Boats Response TXi 2021's 360-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 40 gal and 41 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Malibu LXi 2010 is rated for 9 passengers, while the Malibu Boats Response TXi 2021 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Malibu LXi 2010 could be the deciding factor.
Bottom line: Choose the Malibu LXi 2010 if your priority is putting more people on the water - it handles 9 passengers and at 20,5 ft it has the deck room to back that rating up comfortably. The Malibu Boats Response TXi 2021 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.