Both the ThunderJet Bull Dog 18 ft. 2013 and the ThunderJet TJ Offshore Outboards 2010 are modified-V designs, both built in aluminium, 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?

Size is the most obvious dividing line here. The ThunderJet TJ Offshore Outboards 2010 measures 25,0 feet overall (2010), giving it roughly 7,0 additional feet of deck space compared to the ThunderJet Bull Dog 18 ft. 2013 at 18,0 feet (2013). Weight tells a clearer story for trailering families: the ThunderJet TJ Offshore Outboards 2010 tips the scales at 9 000 lbs - 6 500 lbs less than the ThunderJet Bull Dog 18 ft. 2013 at 2 500 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.

For family outings this is probably the sharpest distinction between the two. The ThunderJet TJ Offshore Outboards 2010 is rated for 9 passengers, while the ThunderJet Bull Dog 18 ft. 2013 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the ThunderJet TJ Offshore Outboards 2010 could be the deciding factor.