30 MPG Club for XB2 - Scion xB Forum
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post #1 of 127 Old 08-03-2014, 08:47 AM Thread Starter
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30 MPG Club for XB2

Who else is working for better MPG for their XB 2 !!!!



Greeting, as most of you know we have 2 xbs !! I have worked really had to get over 30 MPG out of my wifes xb2 !! Well after a long trip I did get 31.8 MPG !! I drove 1941 miles and used 61 gallon of gas, best part was the average price of gas per gallon was $3.17 !!
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post #2 of 127 Old 08-03-2014, 11:05 AM
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Re: 30 MPG Club for XB2

Glad you get that good Jeff. Stick or automatic? My RS7 with auto could occasionally get 30. But once I put the 18's on it I lost about 3mpg.

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post #3 of 127 Old 08-03-2014, 01:28 PM Thread Starter
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Re: 30 MPG Club for XB2

Wifes xb is an auto as mine is too !!
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post #4 of 127 Old 09-10-2014, 08:40 AM
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Re: 30 MPG Club for XB2

Over the past two highway runs I have made. The first we managed 33.4mpg. 2008 auto, short ram intake w/ K&N filter, 17" wheels. All corrections were made in the mileage when I did the math. The most recent trip we averaged 70mph with 4 adults and a toddler and averaged 34.2mpg. I am pleased with the highway numbers...now if only the city portion would come up to match lol!
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post #5 of 127 Old 09-10-2014, 11:28 AM Thread Starter
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Re: 30 MPG Club for XB2

/\/\.. Congrads on the .. win-win !! Filled the wifes xB up last weeks ans she is just above the 30 MPG number !!!
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post #6 of 127 Old 09-10-2014, 10:36 PM
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Re: 30 MPG Club for XB2

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Originally Posted by dubeexb06 View Post
/\/\.. Congrads on the .. win-win !! Filled the wifes xB up last weeks ans she is just above the 30 MPG number !!!
Lol, thanks! So glad to hear more are getting within the range. My only trouble is remembering to keep my foot out of the throttle. Smooth and steady makes for the best and biggest improvements that I've seen.
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post #7 of 127 Old 09-11-2014, 08:19 AM Thread Starter
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Re: 30 MPG Club for XB2

Wife is learning that too with the lead foot !!! Honestly she gets that from her mother !!!
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post #8 of 127 Old 11-15-2014, 01:38 PM Thread Starter
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Re: 30 MPG Club for XB2

Update... Wife has been at the 29.2 to30.1 MPG on her xB !! Looks like winter is here so we will see how she does !!!
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post #9 of 127 Old 11-15-2014, 02:35 PM
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Re: 30 MPG Club for XB2

I have been kicking mine in neutral going down hills. Have finally been able to creep back up to 28mpg with the 18's on it. I'm running 36psi right now. Will increase to 40. It def doesn't coast like it did on stock 16's.

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post #10 of 127 Old 11-15-2014, 02:46 PM Thread Starter
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Re: 30 MPG Club for XB2

Last oils change I had them put here tire pressure at 40 instead of 44 PSI !!!

Now it is in Winter mode !!!!
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post #11 of 127 Old 12-07-2014, 12:46 PM Thread Starter
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Re: 30 MPG Club for XB2

Filled the wifes XB up and got 29.8 !!!! winter is here but yet it is not staying for a while !!!!!
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post #12 of 127 Old 04-07-2015, 06:37 PM Thread Starter
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Re: 30 MPG Club for XB2

Its great that winter is over now, wife has been at 31.2 MPG with the last tank !!!!
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post #13 of 127 Old 04-09-2015, 02:26 AM
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Re: 30 MPG Club for XB2



How in the world do you guys get 30+ mpg?!
Mine only gets 18!!!
That's on stock 16" steelies.
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post #14 of 127 Old 04-09-2015, 10:32 AM Thread Starter
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Re: 30 MPG Club for XB2

We work at it !! Hers is really stock except for the TRD sway bars added !! Tire pressure is at 42 PSI and the she drives her about 75% of the time !!

Remember the ...Right foot rules !!!!!
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post #15 of 127 Old 04-09-2015, 12:02 PM
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Yea.
You're right.
I have a lead foot as well.
I just can't stand accelerating at breakneck SLOW ... LOL
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post #16 of 127 Old 04-09-2015, 01:14 PM Thread Starter
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Re: 30 MPG Club for XB2

Was not hard to learn !!! I have an XB 1 with NO power but knew it didn't when I bought her so... being older my money was saving gas as its over priced !!! Just remember that its a WIN-Win for you !!!!
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post #17 of 127 Old 04-20-2015, 05:40 PM
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Re: 30 MPG Club for XB2

Im decently heavy-footed on my 08 5 speed, but theres a couple things that help, and I'm at 28 MPG with all city driving.

I use cruise control almost all the time, whenever im going to be going a consistent speed, its on. even if its 35 MPH.

When you coast, keep it in gear. With modern cars the fuel injectors shut down when you take your foot off the gas, and the car being in gear keeps the engine running, but isnt using fuel. To prove this to yourself, get going about 35, and toss it into neutral and watch the Tach. Your RPM will drop to about 600, then jump up to around 1200. This happens because when the engine drops down that low, it kicks the injectors back on to keep the engine running. keep it in gear and you'll save gas.

first and second gear i'll actually wrap it up to around 4,000 RPM before I shift, but I get into a high gear as quick as I can after that.

I'm interested in putting a cover across the bottom of the car for aero purposes, because i've found i get barely more MPG on the highway than I do in town, but I live in the plains so the winds are a BEAST out here.

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post #18 of 127 Old 04-20-2015, 09:20 PM
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Re: 30 MPG Club for XB2

Quote:
Originally Posted by peterletran View Post


How in the world do you guys get 30+ mpg?!
Mine only gets 18!!!
That's on stock 16" steelies.
I agree. I run only city driving and get 18 to 20. Best run produced 22

I admit I do drive the XB hard

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post #19 of 127 Old 04-21-2015, 07:58 AM Thread Starter
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Re: 30 MPG Club for XB2

/\/\.. Heavy right foot always kills MPG !! No mater what you drive !!!
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post #20 of 127 Old 04-22-2015, 11:16 AM
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Re: 30 MPG Club for XB2

But I hate being stuck behind people that drive even slower than me!

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