When two boats share the same hull type — in this case both the Manitou Pontoons 20 Osprey Pro 2008 and the Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 are pontoon designs with aluminum construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
Size is the most obvious dividing line here. The Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 measures 24,3 feet overall (2012), giving it roughly 5,3 additional feet of deck space compared to the Manitou Pontoons 20 Osprey Pro 2008 at 19,0 feet (2008). Weight tells a clearer story for trailering families: the Manitou Pontoons 20 Osprey Pro 2008 tips the scales at 1 985 lbs — 1 763 lbs more than the Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 at 222 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 130 hp, the Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 has a 40-hp advantage over the Manitou Pontoons 20 Osprey Pro 2008's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 28 gal and 28 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 is rated for 13 passengers, while the Manitou Pontoons 20 Osprey Pro 2008 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 could be the deciding factor.
One place where both boats are genuinely identical is tube construction: both run 2 aluminum tubes at 25" diameter. That shared spec means stability and buoyancy characteristics are closely matched — the ride difference you'll feel between them comes primarily from deck length, weight distribution, and motor choice.
Bottom line: Choose the Manitou Pontoons 24 Encore Pro Angler Twin Tube 2012 if your priority is putting more people on the water — it handles 13 passengers and at 24,3 ft it has the deck room to back that rating up comfortably. The Manitou Pontoons 20 Osprey Pro 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.