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Case in point, just took a road trip from Vegas to Oxnard, CA. On my way there, more downhill than uphill and I was aiming for high fuel economy. Made 43mpg in 330 miles and got to my destination just a bit below half tank.
On my way back, more uphill than down, and I pushed for a better time than better fuel economy. Still made 37MPG and I was definitely pushing it more than not. There were a few times where I said, "well, damn. This thing gets to 90+mph really easily... I shouldn't be going this fast. But it's flow of traffic, so screw it." lol
edit: I am tuned at 21psi (~205-210whp from a stock 180bhp), with improved throttle response and improved turbo ramp up and I fill up almost exclusively with Chevron 91 octane
Took a road trip in our Touring (1.5 turbo) from Ohio to the Outer Banks in North Carolina over the summer. Averaged 44.5 MPG over the entire ~1,400 mile trip.
Those are some damn good MPG numbers!! Consistent too!!!
I'll take the 1.5mpg hit for that extra boost lol.
From the article:
To generate the power required to maintain a particular cruising speed, any engine—small or large—must pump a corresponding amount of air. With equivalent gearing, the smaller engine requires a wider throttle opening to pump the same amount of air as a larger engine. Because pumping losses are lower with wider throttle openings, a smaller engine is more efficient.
Around town MPG was not as big a difference but highway driving is where the turbo stood out.
And this is why my mom complains about her MPG in her Hyundai not being what they said it would be. Got to drive it like a grandma.
But exceed the gentle, twinkle-toe throttle pressure we applied in our steady-speed tests and all efficiency bets are off. As boost rises, more fuel is injected and mileage drops.
around town (prolly about a 50/50 city/hwy mix, maybe 60/40 city/hwy), I definitely get a consistent 28-34mpg depending on my driving habits. I think the worst I got was 25-26mpg, and that was when I first got my tune XD
also, I was mistaken. it was 311 miles, not 330. And pay no mind to the fact that it says 42.9mpg average. It was over 43mpg when I got to my cousin's house, so I split the difference. Eco mode was only put on during that part of the trip (prolly 30 miles, fairly flat) to see if there was any discernible difference in the average mpg bar graph. Spoiler alert: there wasn't.
That mpg, mileage, and gas level tho. Calculated MPG after filling up that tank was about 39.5-40mpg. I got voluntold to be the designated driver for all the around-town trips, so my average fuel economy meter dropped to about 40.5-41mpg
edit: I should note my observations. I've noticed that anyone with the same gauge cluster as I have tends to track lower MPGs than those with the information display, by a good 4-5mpg difference. Roomie and other buddy with a 16 ex-t have reported 37+mpg with the same city/hwy split, both with worse-for-fuel efficiency driving habits than I have. Meanwhile, I'm trending in that 28-32 range, and my calculated fuel efficiencies (the good ol' odo/gallons calculation) tend to be about 1.5-2mpg lower than indicated on my dash. My buddies calculate about the same when they fill up -- not 1.5-2mpg lower, but pretty on track with my calculations.
for those of us that are visual learners...
My dash would indicate 32mpg
Filling up, I would calculate 30.2mpg
My roomie's dash would indicate 37mpg
Filling up, he would calculate 30.4mpg
Last edited by xRiCeBoYx; Dec 9, 2019 at 09:08 AM.
Absolutely. But it's the wife's car, she doesn't need anymore umph
Lol, yes she is probably plenty happy with the umph.
Originally Posted by mac25
The 1.5 turbo is having a fairly common issue with fuel entering the oil.
Seen 4 of them within 6 months.
One was so bad the customer couldn't drive it due to fuel smell in cab. Oil was tested and found to be unsafe to operate.
Multiple class action lawsuits have been filed between late 2018 and 2019.
From what I have been reading it is suppose to have been resolved after 2019 models. I read it was extreme cold as well but 36-50 does not seem extreme to me.
I think my '16 is showing signs of this oil dilution issue. I've only checked the oil like twice since we've had it but the last time I did it was 1/2-1 qt over and strongly smelled like gas. Oil was only 1k miles old.
Until Honda takes action, probably best to get a sample tested buy a lab (easily done these days, check online), then get some paperwork from Honda, indicating that you notified them of the issue.
also change your oil more frequently, as I'm sure you already thought of.
Pretty sure that's Honda-wide. I got the same letter in the mail saying they extended the warranty and to get it checked out if you're experiencing misfires
Blackstone is great, I have had a few samples done from them. I have read that there is a fix but I think you have to wait for the car to start having issues before they will do anything about it.
I average about 5.2-5.8L/100km mixed in the spring to fall and 6.2-6.8L/100km in the winter not sure what that equates too in MPG but I do know its good and thatès in Eco mode.
