For trailering, the Larson Cabrio 274 2009 has the edge at 6 lbs dry weight versus 104 lbs for the Larson Cabrio 310 2005. 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 310 2005 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 2005 measures 126" wide, compared to 102" for the Larson Cabrio 274 2009. 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 274 2009 has the bigger tank at 85 gallons, versus 16 gallons on the Larson Cabrio 310 2005. That 69-gallon difference translates to roughly 207–345 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.

Yes — both the Larson Cabrio 274 2009 and the Larson Cabrio 310 2005 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.