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Gas Consumption on a Discovery 246/266?-gctid353873

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    Gas Consumption on a Discovery 246/266?-gctid353873

    Hey Guys,

    Given the recent report about future gas prices, I was just curious about the gas consumption of a Discovery 246/266 at what cruise speed. Still considering the purchase of one so I am interested in what you all get.

    Thanks,

    cec

    #2
    3000 to 3200 rpms is a nice cruising speed trimmed out. i would probaly average 2.5 mpg over an average tank. you can be a miser at 10 mph or burn alot at 40 mph . with a 320 litre tank you have no worries on day trips.some of the other owners are dialled right in and will give you there numbers.read there signature for engine and drive.

    Comment


      #3
      +1 what Jamie said; what engine are you looking at?

      I have the 5.0L MPI and am very happy with the fuel economy.

      Joey
      2007 Discovery 246
      5.0L MPI BRAVO III
      The "BAY-BEA"

      Comment


        #4
        Hey Guys,

        Thanks for the replies. I would most like the 5.7 liter engine but i hear that overall most folks are pretty happy with the 5.0. Seems like that's the most popular one out there.

        cec

        Comment


          #5
          In one of your previous threads that you started i posted a video onn the 266.in the video it give a table for fuel consumption on a 5.0 litre.

          Comment


            #6
            http://www.youtube.com/watch?v=cXo_lJgDlqs

            Comment


              #7
              Thanks Jamie Mac,

              I remember that video but did not remember the table. Also wanted some "real world" input. Looks like you get the same GPH with your 5.7 liter engine as well.

              Thanks again.

              cec

              Comment


                #8
                i think the extra ponies gets you and keeps you on plane easier. the first few times i had boat out the fuel mileage scared the crap out of me but once i got the feel of it and found the sweet spot it improved greatly. trying to avoid the 2000-2500 rpm fuel wasting half planing is the trick to good fuel economy. the most efficient way to cover ground is when your boat is planed out perfectly. at the end of the day though when the fuel guage is down to empty you are going to fill it and go again. the first pic is your best mileage second pic is the dreaded plowing fuel sucking mileage.

                this is where you will always end up

                Comment


                  #9
                  ouch, jamie mac! good news is that the 246/266 gets as good of mileage as my current boat. hey, what do you tow with?

                  cec

                  Comment


                    #10
                    catalanc wrote:
                    ouch, jamie mac! good news is that the 246/266 gets as good of mileage as my current boat. hey, what do you tow with?

                    cec
                    I have a 1990 chev 2wd longbox kingcab for the road.i have to usually borrow a 4 wheel drive to launch depending on the tide

                    Comment


                      #11
                      JM,

                      i have a 1999 Ford F150, 5.4 liter engine with tow package. rated tow capacity is 7700 lbs. as i figure it, this will not be sufficient for the 246 on a trailer, yes?

                      Comment


                        #12
                        catalanc wrote:
                        JM,

                        i have a 1999 Ford F150, 5.4 liter engine with tow package. rated tow capacity is 7700 lbs. as i figure it, this will not be sufficient for the 246 on a trailer, yes?
                        i would think it would be alright same truck as my sons. if you are not trailering far trailer and boat would be close to your capacity. i would tow in drive not overdrive

                        Comment


                          #13
                          thanks, JM, for all the info.

                          cec

                          Comment


                            #14
                            Using US gallons (I don't!) I have tracked my 246's mileage over 5 seasons at around 2.3-2.4. My usual cruising speed is 35-3600rpm which will run the boat between 26 and 29mph. I'm in the open lake, so usually have some waves to contend with. I have anti-fouling bottom paint (makes a big difference if you don't) and the 350/300hp BIII drive.

                            120-130 miles is a comfortable distance to run before refueling.

                            My new Dodge Ram SHOULD be able to tow the boat (haven't tried yet) as it has 10,000lb capacity and I figure the 246 on a trailer has to be about 9000 lb.
                            2007 Discovery 246
                            300mpi BIII
                            Welcome island Lake Superior

                            Comment


                              #15
                              Hey Guys,

                              Just to continue the questions on the 246, how much does the performance (time to plane, speed to plane, and top end) differ with the 5.0 vs. 5.7 liter engines? Seems like most of the boats out there have 5.0 liter engines. This package perform well?

                              cec

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