Matching a other Action Craft 1820 Flats Master 2008 against a modified vee Action Craft 1890 FlatsMaster 2011 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department — Action Craft 1820 Flats Master 2008 at 18,0 ft versus Action Craft 1890 FlatsMaster 2011 at 18,9 ft. Weight tells a clearer story for trailering families: the Action Craft 1820 Flats Master 2008 tips the scales at 975 lbs — 860 lbs more than the Action Craft 1890 FlatsMaster 2011 at 115 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 200 hp, the Action Craft 1890 FlatsMaster 2011 has a 50-hp advantage over the Action Craft 1820 Flats Master 2008's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 45 gal and 45 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Action Craft 1890 FlatsMaster 2011 is rated for 6 passengers, while the Action Craft 1820 Flats Master 2008 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Action Craft 1890 FlatsMaster 2011 could be the deciding factor.
Bottom line: Choose the Action Craft 1890 FlatsMaster 2011 if your priority is putting more people on the water — it handles 6 passengers and at 18,9 ft it has the deck room to back that rating up comfortably. The Action Craft 1820 Flats Master 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.