Originally Posted by twistedtree
The Grand Banks 47 that we had meets most of your requirements except fuel burn. At 20kts it got 0.5-0.4 nmpg. I think you would need to a lot lighter (and hence smaller) to get 1nmpg. But if you only go fast occasionally, that might be the least important thing.
The GB is a great boat, but getting up much above 45 is really pushing my dock space. And there's quite a few boats that get that 1 mph on plane speeds. Not a killer deal but I'd like to aim at a bit smaller and lighter boat.