This is basically asking, "Who would win: Brute vs Brute. They both are extremely strong. I say it would be a tie.

Wow yeah

That where you two are wrong, yes they're both the muscle in their respective teams. Brawl has more firepower consider he has 4-7weapons on his body built for military combat (combaticons). Long haul has more mass but less weaponry than brawl and because of his size and muscle he's built for heavy lifting and construction (constructicons).

Brawl obviously