troubleshooting horrible mpg

[fubarovich]

folks, i'm getting around 13-14 mpg around town (Seattle WA) and I've been driving "by tach", keeping it under 1500rpm whenever possible and coasting to stops. I have added ~200 lbs (minus weight of oem parts) of aftermarket parts (rsg front skid & sliders, rhino roof rack), SCS wheels and riding on 33" bfg KO3 40psi. Wheels and tires is a recent edition, prior to I was getting maybe 14-15 mpg. This is a 2019 ORP currently at 61k miles. Most of my driving is local to Seattle city limits, short trips under 5miles, unfortunately we have lots of hills. I've checked for brake drag, replaced the air filter. Is there anything else that could be causing my fuel economy to be THIS bad? :violin:

weights of mods:
rsg sliders: 100lbs
rhino roof rack: 50lbs
rsg front skid: 60lbs

 

[5thToy]

Sounds about right actually. EPA estimated city mileage is 17. You are 3-4 mpg below city mileage from stock, which is the type of driving you describe, and you have added weight, wind resistance with the rack and probably most importantly an extra 20 lbs per corner (16 if they are C Load) in tires with an AT tread pattern. If you have leveled and/or lifted that's going to account for a small mileage hit too.

 

[Ripper238]

folks, i'm getting around 13-14 mpg around town (Seattle WA) and I've been driving "by tach", keeping it under 1500rpm whenever possible and coasting to stops. I have added ~200 lbs (minus weight of oem parts) of aftermarket parts (rsg front skid & sliders, rhino roof rack), SCS wheels and riding on 33" bfg KO3 40psi. Wheels and tires is a recent edition, prior to I was getting maybe 14-15 mpg. This is a 2019 ORP currently at 61k miles. Most of my driving is local to Seattle city limits, short trips under 5miles, unfortunately we have lots of hills. I've checked for brake drag, replaced the air filter. Is there anything else that could be causing my fuel economy to be THIS bad? :violin:

weights of mods:
rsg sliders: 100lbs
rhino roof rack: 50lbs
rsg front skid: 60lbs

Sounds about right. Those tires alone will kill MPG.

My 19 4R gets 14-15 mpg with only 2 lb heavier tires, short trips under 10 miles, lots of hills and traffic, but i do 80 on the highway. I used to get 15-16 on 2lb lighter tires and i'm always carrying an extra 200 lbs.

On a side note, with non ethanol gas on my vacation i got almost 21 mpg on straight highway, 70mph.

 

[02SE]

folks, i'm getting around 13-14 mpg around town (Seattle WA) and I've been driving "by tach", keeping it under 1500rpm whenever possible and coasting to stops. I have added ~200 lbs (minus weight of oem parts) of aftermarket parts (rsg front skid & sliders, rhino roof rack), SCS wheels and riding on 33" bfg KO3 40psi. Wheels and tires is a recent edition, prior to I was getting maybe 14-15 mpg. This is a 2019 ORP currently at 61k miles. Most of my driving is local to Seattle city limits, short trips under 5miles, unfortunately we have lots of hills. I've checked for brake drag, replaced the air filter. Is there anything else that could be causing my fuel economy to be THIS bad? :violin:

weights of mods:
rsg sliders: 100lbs
rhino roof rack: 50lbs
rsg front skid: 60lbs

To agree with the others, it sounds like what I would expect with the mods you've made, where you drive, and the conditions under which you drive.

Your use is pretty much the worst case scenario for low MPG.

On the bright side, it would be even worse if you were driving in below-freezing temps, snow, and using 4wd.

So long story short: As a former Toyota Master Tech, I don't think anything is wrong with your 4Runner.

Your use is a good candidate for an EV. We have one in our garage, and short trips around town are where it shines.

 

[honda250xtitan]

LOL. you put heavy 33's and a roof rack on a 20 year old platform. thats only rated for high teens mpg to start with.

 

[Rocko9999]

Sounds 100% within normal range.

 

[jp.vegas]

folks, i'm getting around 13-14 mpg around town (Seattle WA) and I've been driving "by tach", keeping it under 1500rpm whenever possible and coasting to stops. I have added ~200 lbs (minus weight of oem parts) of aftermarket parts (rsg front skid & sliders, rhino roof rack), SCS wheels and riding on 33" bfg KO3 40psi. Wheels and tires is a recent edition, prior to I was getting maybe 14-15 mpg. This is a 2019 ORP currently at 61k miles. Most of my driving is local to Seattle city limits, short trips under 5miles, unfortunately we have lots of hills. I've checked for brake drag, replaced the air filter. Is there anything else that could be causing my fuel economy to be THIS bad? :violin:

weights of mods:
rsg sliders: 100lbs
rhino roof rack: 50lbs
rsg front skid: 60lbs

It's already been said, but this is perfectly normal for those mods and this platform.

Mine is the same, as was my 4th gen with essentially the same drivetrain and mods. No one buys one of these for the gas mileage :crazy: