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In a nutshell - plenty of air in tires, 0w-20 synthetic oil, slow down, drive smoothly, drive a stickshift, combine trips so you are warming up your engine less, don't accelerate too fast, go fast around corners so you don't have to accelerate back up to speed etc. etc.,
The government rates the car at 31 but on the old test it was rated at 34 and that was after a 22% reduction of measured mileage to make the numbers easier to match. The actual highway test number is 43.5 mpg for the Accord - this is on the course with a warm engine and an average test speed of 48 mpg - can't remember max speed off the top of my head but it is around 60 or 65.
You are due for plugs, but putting new ones in won't change your mpg appreciably.
Also the old number of 34 mpg was already dumbed down by 22% from the actual tested number (per EPA testing procedures). Now that it has been dumbed down to 31 mpg it is pretty darn easy to beat.
Just Today I got 37 mpg going 65 mph into a 15-20 mpg headwind with temps ranging from low 20's to upper 30's (better mpg at higher temps)
0w-20 synthetic oil will help as will higher tire pressure and driving gently.
I did a 600mil round freeway trip. I achieved exactly 31mpg as specified by Honda. But I was doing 80 - 85mph for some part of the drive and some traffic issues inside Houston. It can definitely do lot better than that on freeway.
.........hopefully my J30a4/6M fuel numbers will begin to ascend from the current 27-28 in 65% freeway(65-70 mph) use. .....
Can't quite match your 4-cyl numbers, but then that's well-known ................
ez
Yes the car will be a little crisper with less roll in the sidewall, but 4 psi is not a huge change. The car will be plenty stable.
My "city" driving is almost all below 35 mph (only exception is one road with 45 mph) so there is no highway.
I am able to improve it to 23mpg by following recommendations from dudleyr and other members. I inflated tires to 40psi, switched to 0w-20 and driving slow such that AT can upshift around 2000rpm / hold higher gears longer. You can drive around 40mph with ~1500rpm if you let AT slip into 5th gear.
I have 300 miles now and my needle is still above 1/4th mark. I am trying to get 25mpg as winter is over. This time I filled my tank in Chevron instead Sams. Not sure, if gas station matters for mpg.
No complaints from this sailor.
.......also tested on a honda civic 2009 lx ...i got 37 mpg....but the car had less than 500 miles on it. Accord had 60000 some.
I did one tank full a couple of weeks ago (city/hwy) and drove as slowly and carefully as possible. Added just about exactly one more mpg to the equation.....hmmmm.
Looking at some previous threads - particulary one where the respondent commutes from Sroudsburg PA to NYC, which has got to be a couple of hours long - and I was complaining about a 12 minute comute in Waterloo being 30 minutes when traffic is crawling .....
Fuel numbers are great; the clutch take-up is really vague as hell.
ez
I have dozens of tanks in the low 40's and a few around 45. Currently with 149,000 miles on the car my lifetime average is 35.07 mpg. My 10 tank rolling average is 37.7 mpg, 20 tank is 37.0 mpg and 50 tank is 36.8 mpg. I have only had one tank below 30 mpg this year.
It is all charted in xcel and mpg has been rising very gradually since the car was new. My driving is mostly highway in terms of miles driven, but about 50/50 in terms of hours behind the wheel - scanguage calculates that.
I run 40 psi in tires (michelin primacy mxv4) and use 0w-20 synthetic oil. On the highway I drive at or (usually) below the speed limit (which is 75 in South Dakota).
Believe that the V-6 can get 38 mpg. ez has been doing it for years.
I don't often get 40 MPG (just three times in over 100,000 miles) AND:
We don't have 1 of a kind Accords (parenthetically: we just know how to drive - - rocket science it ain't).
FWIW: 1957 Ford Fairlane 500 Sunliner 312 4bbl V-8 Fordomatic I had in college would pass everything but a gas station.......and that was the last automatic for me.............best, ez
This is obviously contrary to what fellow I4 drivers are saying about their experience. I try to accelerate with shifts at about 2200 rpm and cruise (even on 75mph roads) at about 65-68mph. I should note the car has ~75000 miles on it as well. It is always extremely comfortable. I did a tank at about 75mph, I should note, and managed about 32mpg.
This is all an indication that maintenance is important and if you think your driving habits are economical and you only manage in the high 20's, then you probably need more context. That said, I have done 100% city driving on a tank (Dallas, with the a/c on and shifting at about 2500) and managed an absolutely and astonishingly terrible 18mpg, better than I do in my suv.
I plan on driving the accord to Alaska at some point in the coming years, doing 55 all the way there and hopefully managing somewhere near 40mpg.
Anyway - wanted to point out that the new Accord is now out and it looks like it will surpass the 7th gen for mpg. With 27/36 EPA 30 combined for the CVT. They geared to 6MT aggressively so it only gets 24/34 mpg, but will probably match the CVT in real world conditions. It seems crazy to me that with so many improvements the mpg on the MT stays the same as the previous generation.
Honda claims all these improvements
Less engine friction
Direct injection
Lighter weight for the car.
Better transmission - more gears and less internal friction
Better aerodynamics
Anyway - I am tempted. The car seems nice and the 6MT is getting nearly as fast as the previous generation automatic V-6 sedan (not too close to the stick though). 0-60 in 6.8 seconds (7.6 seconds for the CVT) according to Car and Driver.
Latest mpg for me. 2007 I4 MT
10 tank average 37.3 mpg
20 tank average 37.5 mpg
50 tank average 36.9 mpg
Lifetime average 35.12 mpg over 153,000 miles.
Lots of highway miles, but I also do a lot of in town driving. Typical day is 3 or 4 trips of 1 to 3 miles each. Then every couple of weeks I take a long highway trip. My average mph is 41.5 over the lifetime of the car.
Starting to get to ideal weather now where I don't need a/c yet it is not cold, so I might get my 10 tank up a little more. Then it will get down to low 30's in the winter.
These guys are telling the truth; keep your foot out of it and these cars are real misers on the highway, but love to rev if you feel so inclined.
My overall average was around 30mpg (mixed driving).
After over 120,000 miles on my 6M, the calculated MPG in mixed 65% highway is greater than when the car was much younger. With the original Iridiums yet.
Again, using Grad's approach on RPM: shifting at 2500 vice 3500 results in 28-29.
And - on I-5 and I-10 (not too often now), the 40 MPG barrier has been broken. 2200 RPM, 87, cruise - perhaps a tailwind - but the J30 can get unreal numbers if treated right.
all the best, ez
Compared the two on an 18 mile loop around the dam. Mostly 55 mph about 3 miles of city 2 stop lights and 6 stop signs. Start at 1,700 ft elevation up to 2,200 then down to 1,500 and back up to 1,700. Temps of 30 degrees and no wind. Both cars started from dead cold. '07 returned 38.7 mpg and '13 returned 39.4 mpg. Scanguage on '07 and trip computer on '13.
Not bad for the new guy considering it had 300 miles on the odo. Engine is not broken in yet, tires still have nubs on them and tire psi is not at 40 like my '07. Looks like it should be able to achieve my estimate of beating the '07 by 2 (or more ) mpg. Lifetime on the '07 is a smidge over 35 mpg. Still have not finished the first tank on the '13.
29.6 mpg econ off
27.2 mpg econ off
32.5 mpg econ off
34.9 mpg econ on
35.7 mpg econ on
38.8 mpg econ on
22.8 mpg (I was driving in "S" gear w/ traction control off, just to see how it would drive).
this info is based on what the vehicle has displayed (not by filling up the tank to actually measure).
Seems to be about 45+ mpg (on instant mpg) going steady at 55 mph. Shaping up to be a little better than my 2007.
2013 EX 6-speed stick I4.
6 speeds does not always mean super tall gearing a Miata is over 3,000 rpm at 60 in 6th gear.
I wish 6th gear was taller, but it is better than 5th was on my '07. Fortunately economy isn't only rpm but also throttle and it does not take much throttle at lower speeds. Now for 75 mph cruising I would much prefer to have taller gearing as the revs start to get a little high.
I am now very confident that this is the most fuel efficient Accord ever - and the fastest 4 cylinder Accord. I think a 2 mpg improvement over the '07 is doable.
The thing that blows me away is the combination of power and efficiency. I remember when in 1984 the Corvette finally got some of it's back its mojo after a half dozen years of being slow (7-9 seconds) and did 0-60 in 6.6 seconds. The 6MT Accord is just as fast. At the same time my father had a 1983 Nissan Sentra that would get in the high 40's for highway mileage (at 55 mph national speed limit), and the Accord is just as efficient.
I wonder if 30 more years will have a car as fast as the current Vette and as efficient as a Prius - probably.
My driving consists of 60% city and 40% highway.
Best tank to date...29.1 MPG.
Encouraging to hear the great numbers. Very true about low highway speeds making most any car a rock star in MPGs; my V6 sedan (not an Accord) is rated 19/29 with 249hp, but at 50 miles an hour, it will easily pull 40 MPG. At 70 miles an hour, more like 32 MPG.
Average trip: 20 miles, 45/55 MPH zones with a quite a few lights
MPG per trip: 30/31 (33/34 ECON)
Average MPG per tank: 31/32
Don't do too much highway driving (~70 MPH), but I did get about 35 MPG last time I took a 60 mile interstate trip.
From what I can gather the on-board computer seems pretty accurate. Loving the manual transmission too.
'17 Chevy Volt Premiere
i own the car for about 4 weeks now