Maybe it is because I grew up on a farm and I was around diesel equipment all the time but I love the smell of a Cummins engine. I can actually tell the difference between a Cummins, Duramax and Powerstroke just by smell alone. I also think a Cummins Turbo Diesel sounds better than just about any engine out there, but that is just my opinion. Yeah, they're a little heavier than what a gasoline counterpart would be but they're much easier to make power with so they can be made faster than the gasoline equivalent with practically no work at all.