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TERRIBLE gas mileage on new Tacoma TRD OR

NoNo

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The key to your post is "computer says". Calculate the fuel economy yourself or learn how the gauge works.

TRD OR non-hybrid, I get 24+mpg in most driving since the day I picked it up at the dealer. I'm coming up on 12K and that's been really consistent. Over 70mph fuel economy drops pretty quick, lots of hills it drops quick, strong headwind it drops. Still, I've been on trips where I was in 4WD quite a bit, or driving a lot over 70mph and averaged 23mpg for the full trip. It's pretty hard for me to get in the 20mpg range unless I'm almost all stop and go. Long trip where I'm almost all 70-80+mph and I'll be down around 18-20mpg. I don't live in an area that is especially hilly, and biggest elevation change around here is about 1000 feet. I'm sure people out west will see quite different numbers. Those are just some different data points for different types of driving, but after 12K I know pretty much what to expect for any kind of driving and I've been incredibly impressed with the balance of fuel economy and performance, and having some flexibility to adjust that with the modes and how I drive.

Eco saves me maybe 1-2mpg depending on the type of driving. Sport drops fuel economy about that much but I don't drive in that mode a lot so I don't have as many miles and different types of driving for a fair comparison.

I've only recently seen the kind of poor numbers others talk about, and it coincided with temperatures dropping to around 0F for a few days. Since then I've been struggling to get 23mpg on any trip, and my numbers seem to be fluctuating much more. This is discounting a lot more idling which obviously is going to mess with the gauge reading. Guessing it's just the extreme cold, I'm not sure if the fuel formulation gets changed at all mid-season if the weather changes drastically, or there's only winter and summer fuel.

Driving style makes a big difference. How do you know you aren't getting into turbo, are you watching the boost gauge all the time? If you are in normal or sport mode it's very easy to get into boost, you don't have to be slamming the gas down. Any passing, almost any acceleration or uphill, when you are already above around 40mph will put you in boost unless you are incredibly light on the throttle. Eco helps with this. People who aren't seeing an improvement in Eco are pushing it too hard and basically forcing the truck to bypass a lot of what Eco tries to do. That being said, if I intentionally try to conserve gas, I can get pretty close to what Eco does in Normal mode, but it's much harder and I'm still usually 1-2mpg worse for any type of driving. Eco keeps the truck at a lower rpm in almost any situation and keeps you out of boost as much as possible, but again you can easily override that by your driving style. If you really mess with the modes you'll see this. It's pretty incremental. Normal keeps you at a slightly higher rpm, the turbo is much more ready and quicker to respond, and Sport is an even more noticeable step up there where the truck is always at a higher rpm and there's some small amount of boost almost all the time so you just tap the gas and it goes.
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NoNo

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I know all about turbos. I traded in a 24 Acura Integra Type S for this. I'm honestly not into the pedal at all. Even tried driving in eco. That seemed to make it worse
I'll repeat this for all who say they get worse fuel economy in Eco, you are doing something wrong! I know you don't want to hear that, but Toyota did not create an Eco mode that makes fuel economy worse.

If you are getting worse fuel economy in Eco it is your driving. You are trying to overcome what Eco does, staying at a lower rpm, in a higher gear, slower to downshift/quicker to upshift, and keeping you out of boost as much as possible. It does some climate control things too, but I'm not sure you can do much to mess up what it's doing there. I think mainly if your driving style is trying to overcome the engine/transmission related changes Eco makes then yes you are better off in Normal mode. It's kind of the same as if people drove in sport mode and tried to barely touch the gas, and then complained that mode didn't improve performance. The modes can only do so much and you can counteract a lot of what they are trying to do by the way you drive.
 

TacoFreak

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I can't argue with your Eco mode assessment @NoNo, particularly if you seldom use it. If you select a mode that makes your truck more sluggish and less powerful, you drive it more aggressively to make up for it. Your efforts to get more performance overcome the software's efforts to save fuel.

I just wanted to make the point that the OP has way too few miles on his truck to make a definitive statement about its fuel economy. 175 miles aren't nearly enough to make a blanket assessment about the efficiency of his truck.
 

Mini2nut

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1400 miles on my 2024 TRD OR with 275/70/17 Nitto G3’s. I average 18.5 mpg and I drive very conservatively.
 
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NoNo

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I just wanted to make the point that the OP has way too few miles on his truck to make a definitive statement about its fuel economy. 175 miles aren't nearly enough to make a blanket assessment about the efficiency of his truck.
That's for sure! After nearly 12K I feel like it only helps to know what kind of fuel economy I can expect in different scenarios. I'm not sure how useful an average is no matter how many miles you have to base it on. If someone told me they averaged 17mpg driving, but most of their driving was out west in the mountains, I'd probably think that was outstanding based on what I've seen driving around my relatively flat state. I still don't understand why so many owners of this truck are so eager to hate it ;-)
 

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My TRD-Offroad gets 17-18MPG city/highway, about 2MPG less than my 3rd gen.
 

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The key to your post is "computer says". Calculate the fuel economy yourself or learn how the gauge works.

TRD OR non-hybrid, I get 24+mpg in most driving since the day I picked it up at the dealer. I'm coming up on 12K and that's been really consistent. Over 70mph fuel economy drops pretty quick, lots of hills it drops quick, strong headwind it drops. Still, I've been on trips where I was in 4WD quite a bit, or driving a lot over 70mph and averaged 23mpg for the full trip. It's pretty hard for me to get in the 20mpg range unless I'm almost all stop and go. Long trip where I'm almost all 70-80+mph and I'll be down around 18-20mpg. I don't live in an area that is especially hilly, and biggest elevation change around here is about 1000 feet. I'm sure people out west will see quite different numbers. Those are just some different data points for different types of driving, but after 12K I know pretty much what to expect for any kind of driving and I've been incredibly impressed with the balance of fuel economy and performance, and having some flexibility to adjust that with the modes and how I drive.

Eco saves me maybe 1-2mpg depending on the type of driving. Sport drops fuel economy about that much but I don't drive in that mode a lot so I don't have as many miles and different types of driving for a fair comparison.

I've only recently seen the kind of poor numbers others talk about, and it coincided with temperatures dropping to around 0F for a few days. Since then I've been struggling to get 23mpg on any trip, and my numbers seem to be fluctuating much more. This is discounting a lot more idling which obviously is going to mess with the gauge reading. Guessing it's just the extreme cold, I'm not sure if the fuel formulation gets changed at all mid-season if the weather changes drastically, or there's only winter and summer fuel.

Driving style makes a big difference. How do you know you aren't getting into turbo, are you watching the boost gauge all the time? If you are in normal or sport mode it's very easy to get into boost, you don't have to be slamming the gas down. Any passing, almost any acceleration or uphill, when you are already above around 40mph will put you in boost unless you are incredibly light on the throttle. Eco helps with this. People who aren't seeing an improvement in Eco are pushing it too hard and basically forcing the truck to bypass a lot of what Eco tries to do. That being said, if I intentionally try to conserve gas, I can get pretty close to what Eco does in Normal mode, but it's much harder and I'm still usually 1-2mpg worse for any type of driving. Eco keeps the truck at a lower rpm in almost any situation and keeps you out of boost as much as possible, but again you can easily override that by your driving style. If you really mess with the modes you'll see this. It's pretty incremental. Normal keeps you at a slightly higher rpm, the turbo is much more ready and quicker to respond, and Sport is an even more noticeable step up there where the truck is always at a higher rpm and there's some small amount of boost almost all the time so you just tap the gas and it goes.
I'm very light with my foot and keep an eye on the boost meter. Still, it's a struggle to get 17-18. I have a Sport with no roof rack or anything added. It amazes me the variation in MPG with the 2024 Tacoma. Some easily get 25 or 26. That's a dream for me.
 

hoodouken

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TRD OR and I just clicked over 3k miles and averaging 19.5.
Like everyone mentioned get a couple tanks burned through it first. When I first got mine I think it was the same about 13 mpg but it averaged out over time.
 

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RXvedub

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I live in Los Angeles and get 13.9 avg with 6k miles on the OD. The only time I see >20mpg is long highway trips with no traffic.
 

RXvedub

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What needs to be reset is your expectations......99% of owners since the gen 4 came out have bad MPG relative to stated mfg numbers. Get use to it, maybe you made a mistake.
My 17 year old V8 Toyota 4Runner gets better mileage with my lead foot wife driving it. This is where the problem lies. Same manufacturer, same platform (truck) going backwards in efficiency.
 
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Wilks132

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My 17 year old V8 Toyota 4Runner gets better mileage with my lead foot wife driving it. This is where the problem lies. Same manufacturer, same platform (truck) going backwards in efficiency.
This is my point! I've owned an 08 Tacoma v6 and a 2019 tundra v8 that got better gas mileage. I didn't buy the truck for the gas mileage. I'm simply stating that Toyota has gone down hill! It's a 4 cylinder and should be way better than my previous two trucks

further my wife has a 2025 rav4 (non hybrid) that is currently getting over 30 mpg. I know they're two completely different platforms, but it also has 200 miles on it which is why I'm not buying the "break in" period. I'm hoping I'm wrong. Besides the horrendous gas mileage, I do like the truck. Just hoping my transmission and my shock top hats hold up
 

UPTooShort

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What needs to be reset is your expectations......99% of owners since the gen 4 came out have bad MPG relative to stated mfg numbers.
I always figure they juice the numbers, but I understand being upset about it. The thing is, it’s an average….based on everything is this thread: tires, temp, fuel blend, and driving habits. I honestly believe driving habits are the biggest predictor of current and future mpg. My 2018 4Runner always gave me the predicted combined 18mpg, until I put fatter tires on. Instantly dropped to 16mpg. With normal tires on now, and 172,000 miles, still getting 18mpg.

Coming from the 4Runner, I’m thrilled with 19-21mpg. We, at least I, didn’t buy the Tacoma for its fuel efficiency.
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