What's your experience with 5.4 Triton fuel mileage?

Maintenance & Repairs
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Introduction

I’m reaching out to the community to gather insights on fuel mileage for the 5.4L Triton engine. I’ve recently gotten my hands on a Ford truck equipped with this engine, and I want to know what to realistically expect in terms of fuel economy.

My Experience

Since owning the vehicle, I’ve been tracking my mileage and honestly, I have mixed feelings. Some days it seems decent, while others, it feels like I’m visiting the gas station way too frequently. Here are some specifics:

  • Truck Model: [Insert model]
  • Current Mileage: [Insert mileage]

Questions for Discussion

  1. Real-World Mileage: If you own a vehicle with the 5.4 Triton, what kind of fuel mileage are you getting? Are there any particular driving habits that affect it?
  2. Tips for Improvement: Have any of you found tricks or adjustments that can help improve fuel efficiency? I’ve heard about different fuels, tire pressure adjustments, and maintenance checks, but I’m looking for any solid advice that has worked for you.
  3. Comparisons: How does the 5.4 Triton stack up against other engines, like the 5.0 or 6.2L? Are there significant differences in fuel economy that might influence my decision for future upgrades?
  4. Troubleshooting: For those who have experienced poor fuel mileage, what were the underlying issues? Did you manage to resolve them effectively?

Conclusion

Looking forward to hearing your thoughts and personal experiences! Any advice, stories, or tips would be greatly appreciated. Let’s help each other out to get the best performance out of our rides!

3 Likes
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I’ve been driving my 5.4 Triton for about three years now. I usually get around 14 MPG in the city and about 18 on the highway. It’s not the best, but it gets the job done!

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That’s pretty much in line with my experience! I get similar numbers, although my highway mileage can sometimes reach 20 MPG if I drive conservatively.

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I have a 2005 F-150 with the 5.4 Triton. City driving gives me about 12-13 MPG, but I surprisingly get around 21 MPG on the highway. I rarely take it on long trips though.

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Wow, 21 MPG on the highway is impressive! I wonder if there’s something specific about your vehicle set-up that allows for that kind of mileage.

4 Likes
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I’ve noticed that hills make a big difference. In my area, I average about 16 MPG on flat highway, but it drops to 12 in the city with lots of stoplights.

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So true! The terrain definitely affects the mileage. I have similar experiences, especially when pulling a trailer. It really takes a toll on gas consumption!

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For those wondering, my Triton usually gets around 15 MPG combined. I think keeping the tires inflated helps a lot. Anyone else noticed this?

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I agree! Tire pressure can make a major impact on fuel efficiency. I also try to avoid aggressive driving; it seems to help.

2 Likes
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I don’t keep track of the exact mileage, but it feels like I’m constantly at the pump with my Triton! Anyone else feel this way? It’s a thirsty beast!

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Haha, that feeling is universal! Mine is just as bad. I joke that my truck runs on liquid gold!

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I’d just like to say, my 5.4 Triton gets worse mileage than I expected. Definitely below 15 MPG overall. It hampers my enthusiasm for this vehicle!

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Totally get that! I think some models can underperform. Have you tried any modifications for better mileage?

6 Likes
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I switched to synthetic oil and noticed a slight improvement, but nothing drastic. Still hovering close to 14 MPG in the city.

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Interesting! I’m curious if premium gas makes a difference. Has anyone tried that?

1 Like
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I tried premium gas once—didn’t notice a significant change in mileage. Might as well save the bucks at the pump!

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I’ve had my 5.4 Triton for a few years now, and maintenance is key! Regular oil changes and keeping the air filter clean have really helped my mileage.

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Absolutely! I’ve noticed that tire pressure makes a big difference too. Under-inflated tires can really drag you down.

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I’ve done some mods to increase efficiency, like a tuner and a high-flow air intake. It improved my fuel mileage noticeably but at a cost.

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That’s interesting, Michelle! Are those mods worth the investment in your opinion?

3 Likes