For trailering, the Larson Cabrio 310 2009 has the edge at 10 400 lbs dry weight versus 11 400 lbs for the Larson Cabrio 330 2004. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.

The Larson Cabrio 330 2004 has an official capacity rating of 9 people. Capacity data wasn't available for the other model in this comparison - verify directly with the dealer.

The Larson Cabrio 310 2009 measures 126" wide, compared to 6" for the Larson Cabrio 330 2004. The US standard-width towing limit is 8’6" (102") in most states - anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.

The Larson Cabrio 330 2004 has the bigger tank at 240 gallons, versus 160 gallons on the Larson Cabrio 310 2009. That 80-gallon difference translates to roughly 240–400 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Yes - both the Larson Cabrio 310 2009 and the Larson Cabrio 330 2004 are built by Larson. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.