Both the Marquis Yachts 690 2009 and the Marquis Yachts Marquis 70 Tri-Deck 2008 are semi-displacement designs, both built in fibreglass, so 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?

On paper these two are close siblings in the size department - Marquis Yachts 690 2009 at 70,0 ft versus Marquis Yachts Marquis 70 Tri-Deck 2008 at 72,0 ft. Weight tells a clearer story for trailering families: the Marquis Yachts Marquis 70 Tri-Deck 2008 tips the scales at 109 000 lbs - 15 000 lbs less than the Marquis Yachts 690 2009 at 94 000 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 Marquis Yachts Marquis 70 Tri-Deck 2008 tops out at 1 676 hp. Engine specs for the Marquis Yachts 690 2009 aren't listed - confirm with a dealer before selecting an outboard.Fuel capacity breaks the other way: the Marquis Yachts Marquis 70 Tri-Deck 2008 carries 1 300 gallons versus 1 200 gallons in the Marquis Yachts 690 2009. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

The Marquis Yachts 690 2009 is rated for up to 20 people. Passenger data for the Marquis Yachts Marquis 70 Tri-Deck 2008 wasn't available.