The Malibu 21 LSV 2010 vs Malibu Boats Response TXi 2021 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 21 LSV 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. Fuel capacity breaks the other way: the Malibu 21 LSV 2010 carries 46 gallons versus 4 gallons in the Malibu Boats Response TXi 2021. 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 21 LSV 2010 is rated for 12 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 21 LSV 2010 could be the deciding factor.
Bottom line: Choose the Malibu 21 LSV 2010 if your priority is putting more people on the water — it handles 12 passengers and at 21,5 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.