The spec sheets list the Malibu Wakesetter 23 LSV 2008 as v25 wake and the Malibu Wakesetter 23 LSV 2011 as modified vee, so check how each hull rides in the conditions you use before you decide.
On paper these two are close siblings in the size department - Malibu Wakesetter 23 LSV 2008 at 23,0 ft versus Malibu Wakesetter 23 LSV 2011 at 23,0 ft. At 3 900 lbs and 3 900 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 555 hp, the Malibu Wakesetter 23 LSV 2011 has a 105-hp advantage over the Malibu Wakesetter 23 LSV 2008's 450-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads - 55 gal and 56 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Malibu Wakesetter 23 LSV 2011 is rated for 15 passengers, while the Malibu Wakesetter 23 LSV 2008 caps at 14. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Malibu Wakesetter 23 LSV 2011 could be the deciding factor.
Bottom line: Choose the Malibu Wakesetter 23 LSV 2011 if your priority is putting more people on the water - it handles 15 passengers and at 23,0 ft it has the deck room to back that rating up comfortably. The Malibu Wakesetter 23 LSV 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 14 that costs less to run day-to-day.