A diesel-powered monohull can compete favorably with a powercat as long as the speed remains below "hull speed" - in other words, below planing speed. The long waterline length of the Carver 444 gives it an advantage up to 8 kts. I believe it could get those mileages at 1000 and 1250 RPM, but who's going to cruise a Carver at 1250 RPM? At its "best cruise" speed of 27 mph, it burns 27 gal/hr and gets 0.8 nmpg. And at 15 knots, it burns 20 gal/hr and gets 0.78 mpg - whereas our PDQ burns 5 gal/hr and gets 3 mpg. The main advantage of a powercat is its ability to go fast economically. If you're content to cruise at 8 knots, there are plenty of comfortable and economical boats to choose from. On our website there's a performance graph for our PDQ 34 that might interest you, see: www.snodoglog.com/Performance.html Henry www.snodoglog.com In a message dated 2/2/12 5:23:48 PM, bb8176@gmail.com writes: > Hi was very impressed by the PDQ because of its great mileage but looking > on the Internet I saw on boat test.com a 44 Carver with twin 370 Cummings > diamond edition diesels that can get five nautical miles per gallon at 7 kn > and 3.75 nautical miles per gallon at 8.3 kn and I thought this sounded > too good to be true what do you think thanks for your input > > Sent from my iPhone >