[ssclassa80]

I’m getting like 15mpg on avg now that I’m driving my X to work. 70% hwy. Is this comparable to others? I realize it’s an aero brick and I try to keep it below 65mph.


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[MeToo]

Here's a link to post #7 in my thread that I started after buying my 2nd Xterra, a 2004 3.3L non-SC auto 4WD. It shows and tells all what you can expect in warmer weather and with an engine that runs well. Spoiler alert: I was able to get above 20 mpg!

MeToo's 2004 3.3L 4x4 Auto, purchased April 2021

Hey all! @snunicycler sold his 2004 and I'm the happy new owner. To replace the 2001 that was damaged a couple months ago, I decided to go with one that is still 4WD and has had no accident. Here's the listing with more pics than I have to share at this time. I bought it Saturday the 17th and...

www.clubxterra.org

 

[04SM-X]

View attachment 80843 View attachment 80843
I never got more than 16.5mpg before SAS. The design of the VG engine dates back to the early 80’s. This is not a refined highly efficient modern designed power plant but a old school get it done power plant. I would be happy to get 17mpg in a first gen, average of course

 

[ssclassa80]

Thanks, makes me feel a little better… I have an old m5 that gets similar crappy mileage. Gas was relatively cheap back then along with less regulations or aggressive CAFE to drive innovation.


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[Satito]

I've driven my 2003 X with my OBDLink running so that I can monitor the fuel efficiency in real time on my phone. As expected, how you accelerate plays a huge role in your gas mileage. Obviously faster acceleration means higher consumption. Also anticipating the traffic ahead of you. It's far better to lay off the skinny pedal and coast to a stop or a slower speed than drive full speed up to a bunch of stopped traffic and then have to accelerate from 0 again. I've been able to get 19MPG city/highway when driving very conservatively and practically making a game out of it. Driving like normaI can easily drop that to 15 or 16 mpg. Much less than that driving like the average lunatic.

 

[Blackberry]

I averaged 16 mpg with a 50/50 city/highway. My truck is lifted with big tires, giant metal bumper and a tire on the roof.

 

[RacerXXL]

Like Blackberry I average 16 around town with all the MPG killing mods I really feel it’s in how you drive it.

 

[ssclassa80]

Helpful info everyone. Mine is stock except for 32” tires which raises it about an inch. I’ll play around with my throttle inputs and maybe quit downshifting (5spd) to see what happens.


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[M-U-R-P-H]

Helpful info everyone. Mine is stock except for 32” tires which raises it about an inch. I’ll play around with my throttle inputs and maybe quit downshifting (5spd) to see what happens.


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What us the actual size of the tire out of curiosity?

 

[ssclassa80]

265 / 75 R 16
Bridgestone Revo 3 - 31.7” diameter per Tire Rack

Had to remove the front mud flaps and slide the front bumper assy max fwd on its slotted mounts to eliminate any rubbing. Rear has been fine as-is.


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[M-U-R-P-H]

265 / 75 R 16
Bridgestone Revo 3 - 31.7” diameter per Tire Rack

Had to remove the front mud flaps and slide the front bumper assy max fwd on its slotted mounts to eliminate any rubbing. Rear has been fine as-is.


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Cool thanks.

 

[Zyurn]

Helpful info everyone. Mine is stock except for 32” tires which raises it about an inch. I’ll play around with my throttle inputs and maybe quit downshifting (5spd) to see what happens.


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When striving for fuel efficiency RPMs are important to watch, but so is speed. XTerras have a very high coefficient of drag (measured when stationary). Most physical modifications cause the coefficient of drag to increase. When a car moves drag increases with the square of velocity. When traveling at 55 MPH the drag is almost 50% greater than it is at 45 MPH. Traveling at 65 MPH creates drag that is about double that at 45 MPH.

I have a 5-speed manual and keep the RPMs high when driving steep mountain roads, but keep my speed down and resist braking in the corners, and I get 16-18 MPG. I get 20-22 MPG driving 50 MPH in the valleys on straighter highways even when pushing the RPMs up to maintain speed in anticipation of hills.

 

[NoFunBen]

I also get about 15 MPG with 32" tires.

 

[ssclassa80]

When striving for fuel efficiency RPMs are important to watch, but so is speed. XTerras have a very high coefficient of drag (measured when stationary). Most physical modifications cause the coefficient of drag to increase. When a car moves drag increases with the square of velocity. When traveling at 55 MPH the drag is almost 50% greater than it is at 45 MPH. Traveling at 65 MPH creates drag that is about double that at 45 MPH.

I have a 5-speed manual and keep the RPMs high when driving steep mountain roads, but keep my speed down and resist braking in the corners, and I get 16-18 MPG. I get 20-22 MPG driving 50 MPH in the valleys on straighter highways even when pushing the RPMs up to maintain speed in anticipation of hills.

Good info to share, thanks.

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