Avg MPG for break in period
Hey all,
Just about went through the second tank of fuel 93 octane shell. I have kept the engine below 5k rpms, vehicle has 555 miles. Only got 100 miles to a half tank. Will this improve as the engine breaks in over time ? Saw many posts of 18-21mpg. Could there be a problem or does this seem normal? Car manufactured 7/2009, purchased 2/2011 with 111 miles Thanks for the input |
If your basing this post on the fuel gauge please come back after you gone through 2-3 tanks and calculated your MPG from actual gas pumped in / miles driven from the trip ODO.
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top it off, drive some miles, then top it off again. do calculation.
half a tank 100 miles is about right, you should be sitting around 16-18 mpg. |
Will post more accurate data after another tank has burned. I save/have every fuel reciept except the one when the dealer filled prior to purchase. I will use the odometer and gallons purchased rather than eyeing the gauge. Thank you for the rapid reponse.
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go to fuelly.com and submit your car
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Originally Posted by mpbpsu
(Post 3893155)
Will post more accurate data after another tank has burned. I save/have every fuel reciept except the one when the dealer filled prior to purchase. I will use the odometer and gallons purchased rather than eyeing the gauge. Thank you for the rapid reponse.
just fill up, zero the trip odometer, run it for about half a tank, then fill up again. read your trip odometer and divide what you put in your tank, theres your MPG |
Calculated as described above by jasonrxeight. 175.9miles/13.257gallons=13.628miles/gallon. Second tank of fuel, mixed driving city/highway, 93 octane shell.
Where do you guys run the tach for a highway cruising range, just not sure if I may be lugging the engine or carrying a higher rpm than neccessary? Researched and found an overwhelming amount of, "when it beeps" posts for shift points, thats funny. Thanks for the suggestions |
When it beeps is a good time to shift, that's what I usually practice. On the highway once you get up to speed just pop it into 6th and forget about it. Around town at 40/45 I am usually in 4th gear. If I am just driving casually I only go up to maybe 4k and then shift.
Just drive and shift when you feel you need to, its not hard. |
Originally Posted by mpbpsu
(Post 3894593)
Calculated as described above by jasonrxeight. 175.9miles/13.257gallons=13.628miles/gallon. Second tank of fuel, mixed driving city/highway, 93 octane shell.
Where do you guys run the tach for a highway cruising range, just not sure if I may be lugging the engine or carrying a higher rpm than neccessary? Researched and found an overwhelming amount of, "when it beeps" posts for shift points, thats funny. Thanks for the suggestions |
I am up to 1300 miles now on my RX8, and I average exactly 20mpg. Mostly 35-45 mph on post, and some highway work.
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See sig. . .
It all depends on your driving as far as lots of city or highway. That will depict your mpg. I my self have a 4.5 mile all city commute to work so I suffer. |
I averaged 15mpg when i was breaking-in my R3 doing no more than 4k rpm all city driving. I'm glad that's over! Now the fun begins! After the break-in, I average 16mpg, with several redlining everyday on the way to work.
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