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Highway MPG

I got 28.8 MPG on a trip this past weekend. I drove 60 MPH as I am still in the engine break-in period. Next trip will be at 70 MPH and then 75 MPH. I changed the original Honda 0W-20 oil/Honda filter to Valvoline Prem. 10W-30 oil/Mobil 1 M1-110 filter at 598 miles. I now have 1,130 miles on the vehicle.

I know there are naysayers about me using 10W-30, but when I bought our 2006 Accord I checked with a foreign Honda dealer to see what oil Honda recommended for their similar climate and I was told 10W-30! He said the US 5W-20 recommendation was due to our CAFE standards. I also change the oil/filter at 3K to 4K miles.

I will change to 10W-30 Valvoline Synthetic or Mobil 1 Synthetic around 5K to 8K miles. Highway MPG for our 2006 Accord SE was 38+ at 70 MPH and 36+ at 75 MPH using the above 10W-30 synthetics oils.
 

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I am getting about 20 mpg now with 1800 miles on my CT, mostly mixed driving. I expect it will increase slightly as the car continues to break in.
 

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And you are not afraid of warranty issues from Honda if you use 10W-30 oil?
By the way, the 0W-20 from Honda is 100% synthetic....
 

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britye warranty on 10W-30 oil

britye: There is no warranty issue with using 10W-30 oil as long as the oil meets the specification and it does. The specification has nothing to do with the oil viscosity. Honda cannot tell you that using 10W-30 oil that meets the API Certification Seal will void their engine warranty. I have used 10W-30 oil since the 1950's. My record with 10W-30 oil is that if I change the oil/filter between 3K to 4K miles then my engine never smokes even at over 200K miles, I never add oil between changes, and I get high MPG. Yes, I may get less MPG in very cold weather, but I doubt if it would be less that 0.1 MPG. Meanwhile, my engine will not wear out early.

Our 2006 Accord 4 cyl. got 36+ at 75 MPH and 38+ at 70 MPH highway speeds using 10W-30 oil. And Honda said to use 5W-20. Well, 2006 Austrailian manuals said to use 10W-30 for the 4 cyl. and the V-6. The manager said the US 5W-20 recommendation was our CAFE, not what was best for the engine!

The personnel at the Honda Company told me their 0W-20 oil was not synthetic!
 

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britye: There is no warranty issue with using 10W-30 oil as long as the oil meets the specification and it does. The specification has nothing to do with the oil viscosity. Honda cannot tell you that using 10W-30 oil that meets the API Certification Seal will void their engine warranty. I have used 10W-30 oil since the 1950's. My record with 10W-30 oil is that if I change the oil/filter between 3K to 4K miles then my engine never smokes even at over 200K miles, I never add oil between changes, and I get high MPG. Yes, I may get less MPG in very cold weather, but I doubt if it would be less that 0.1 MPG. Meanwhile, my engine will not wear out early.

Our 2006 Accord 4 cyl. got 36+ at 75 MPH and 38+ at 70 MPH highway speeds using 10W-30 oil. And Honda said to use 5W-20. Well, 2006 Austrailian manuals said to use 10W-30 for the 4 cyl. and the V-6. The manager said the US 5W-20 recommendation was our CAFE, not what was best for the engine!

The personnel at the Honda Company told me their 0W-20 oil was not synthetic!
And my dealer told me they called Honda Canada who assured them it was indeed synthetic.....interesting. And bears further investigation, no???
Honda Canada also told me that using anything other than 0W-20 "may" void the warranty. This too may require further investigation I think!
 

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MPG for mixed City/Highway Driving

Still only have under 1,000 miles but I filled up for the first time this past weekend and recorded 28.89 miles per gallon for mixed city and some highway driving at about 65 to 70 miles an hour for the highway. Love the ECO function. Really makes me think about "HOW" I drive. Can't wait to take it to Las vegas next month for March Madness and see how close to 35 MPG I can get. Wish me luck.
 

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And my dealer told me they called Honda Canada who assured them it was indeed synthetic.....interesting. And bears further investigation, no???
Honda Canada also told me that using anything other than 0W-20 "may" void the warranty. This too may require further investigation I think!
My Honda dealer sent me a Honda Bulletin (#10-07) which does verify the 0W-20 oil as synthetic....
I cannot however pin them down on whether or not using a different weight/manufacturers product would impact the warranty....will let you know.

And Good Luck SoCal Karl!!!!!
 

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According to the trip computer, I'm getting exactly what it says on the sticker (8.6 litres per 100 km) at 80 - 105 km/h or 33 mpg (imperial gallons). I have about 6000 km on my CT. What bothers me is that the trip computer says 8.5 but when I fuel up and do the calculation manually it comes out to 9.3 which is 30 m/gal or 25 m/us gal. Has anybody else checked the accuracy of their trip computer?
 

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According to the trip computer, I'm getting exactly what it says on the sticker (8.6 litres per 100 km) at 80 - 105 km/h or 33 mpg (imperial gallons). I have about 6000 km on my CT. What bothers me is that the trip computer says 8.5 but when I fuel up and do the calculation manually it comes out to 9.3 which is 30 m/gal or 25 m/us gal. Has anybody else checked the accuracy of their trip computer?
Ummmmm...what trip computer???
 

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26.6

I drove 500 miles over the last two days....Michigan to Minnesota. What a great drive!

Averaged 26.6 at 75-85mph. 1900 miles on the car.

I have a trip computer with the EXL-Nav.
 

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Ummmmm...what trip computer???
Greetings. Not an owner (yet) but this caught my eye, too. According to Honda's press release, the trip computer is part of the NAV option. (balls) This paragraph is found under the "NAV" heading in the Honda Press Release:

"A trip computer is available in the information display that provides instant fuel economy, average fuel economy for trip A and trip B, elapsed time, average speed, and vehicle range on remaining fuel."

Cheers,

Brad
 

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I drove from Eau Clare to South Bend today. Averaged 29.2mpg at speeds of 75-85. Much better than expected. Hope this continues.
 

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Mpg???

Last tank of gas I put through my CT, which has 1000 miles on it my MPG was 13.28 US MPG or 17.7 litres per 100 Kilometers (combined city/hwy.) Mind you this is in winter/snow with warm up times/idle time etc. included.
Long way from the ratings, but it is still breaking in I guess.
Sure hope it gets better though....
How is everyone else doing....honestly?
 

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I had 17 mpg during break-in period. Now it's about 21 mpg for 90% city. or 19 mpg for 100% city
 

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Last tank of gas I put through my CT, which has 1000 miles on it my MPG was 13.28 US MPG or 17.7 litres per 100 Kilometers (combined city/hwy.) Mind you this is in winter/snow with warm up times/idle time etc. included.
Long way from the ratings, but it is still breaking in I guess.
Sure hope it gets better though....
How is everyone else doing....honestly?
It better get better, my MDX get's, 11.9 litres for 100 KM.
 

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I started off at 17 mpg mostly city driving, and now I'm on my fourth month, I'm running aroung 19 mpg in the same driving conditions. Haven't tried it on long drives yet, but maybe soon I'll find out.
 
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