Matching a deep vee Riviera Yachts 58 Open Flybridge 2011 against a modified vee Riviera Yachts 5800 Sport Yacht 2009 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 — Riviera Yachts 58 Open Flybridge 2011 at 59,7 ft versus Riviera Yachts 5800 Sport Yacht 2009 at 57,0 ft. Weight tells a clearer story for trailering families: the Riviera Yachts 5800 Sport Yacht 2009 tips the scales at 46 959 lbs — 46 298 lbs less than the Riviera Yachts 58 Open Flybridge 2011 at 661 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 1 015 hp, the Riviera Yachts 58 Open Flybridge 2011 has a 580-hp advantage over the Riviera Yachts 5800 Sport Yacht 2009's 435-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Riviera Yachts 58 Open Flybridge 2011 carries 1 506 gallons versus 7 gallons in the Riviera Yachts 5800 Sport Yacht 2009. 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 Riviera Yachts 58 Open Flybridge 2011 is rated for 18 passengers, while the Riviera Yachts 5800 Sport Yacht 2009 caps at 17. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Riviera Yachts 58 Open Flybridge 2011 could be the deciding factor.