For the inboard model, we ran Justified, a 2012 inboard. Its owners fish but also like to cruise, so Justified is fitted with a full galley and dinette, an after-cabin bulkhead, air conditioning, and a genset. Its Cummins 480 had 1,450 hours of time when we tested. The owners love their boat and wouldn't trade, citing its easy motion at all speeds and its fuel economy, which proved the best of our three testers. Running bow-proud at planing speeds of 16 to 25 mph, Justified showed us around 1.8 mpg. Trawler speeds of 8 mph produced 4.5 mpg. Even at wide-open throttle (33.6 mph), it achieved 1.3 mpg. The boat's isolated and insulated engine box kept sound to a minimum, and as the charts show, noise levels were roughly comparable for both power choices at a variety of speeds.