[Johnnie]

I'm curious how much of a hit one would take with an automatic over a manual. my 96 3.4 5spd gets 20 city/20 hiway like clockwork . was thinking of replacing vehicle with one with an automatic for my daughter to drive.

[nissanh]

You got 4x4? and SR5? ABS? Miles? Exchange? :-)
Automatic is doing about 16-19 MPG

[Rocky5000100]

I was under the impression automatic 3rd gens can get 19-20+ MPG pretty easily, as long as maintenance is kept up of course.


I should be able to tell you in a few days what I get, I just bought a 2002 yesterday

[jreask]

Right now I have a 99 SR5 manual tranny with 142K on the odometer. I actually only get between 17-18 whether in the city or on the highway. It's turning 2800 RPM's at 70 MPH. I have owned several automatics and they always averaged 19 MPG combined. I know the stick is supposed to get better mileage but not this one. It has new plugs and wires, new timing Belt and pump and always fresh oil. This is just letting you know that the 5 speeds don't always get better mileage.

[nissanh]

Originally Posted by jreask

Right now I have a 99 SR5 manual tranny with 142K on the odometer. I actually only get between 17-18 whether in the city or on the highway. It's turning 2800 RPM's at 70 MPH. I have owned several automatics and they always averaged 19 MPG combined. I know the stick is supposed to get better mileage but not this one. It has new plugs and wires, new timing Belt and pump and always fresh oil. This is just letting you know that the 5 speeds don't always get better mileage.

I get 80 MPH at 2900 RPM. A/T.

Check your clutch free movement between the pushrod and the clutch arm in your slave cylinder. Do you have a free movement in your clutch paddle.

How old is your clutch... always replace the clutch and the clutch coverwith AISIN

[agloukhoff]

Originally Posted by jreask

This is just letting you know that the 5 speeds don't always get better mileage.

Old school 5 speeds always get better mpg. This is less true on new cars with CVTs, 6+ speed automatics, dual clutches etc...

But in in the case of the 4Runners, you have 5 gears, automatics have 4. You have a clutch. They have a torque converter. Unless you drive like a dong you will always have better efficiency than an automatic.

[toyota00]

I have a 2000 5spd supercharged with URD 7th injector and get 17.1 city driving.

[jreask]

Originally Posted by nissanh

I get 80 MPH at 2900 RPM. A/T.

Check your clutch free movement between the pushrod and the clutch arm in your slave cylinder. Do you have a free movement in your clutch paddle.

How old is your clutch... always replace the clutch and the clutch coverwith AISIN

How does that affect fuel mileage ?

[Forrrrest]

89k 2000 5 speed 3.4 did fuel mileage this morning 16.3. I normally average 18.5, I think the reason I got such bad mpgs this fill up was due to all the rain and me constantly hammering the gas and slamming gears to get all sideways and what not.

[Hawaiiski]

I average about 18-19 mpg in my 98 auto 276,xxx with a snowboard rack.

[Bishard]

In 97 2.7 man 4x I get 21-22 hwy @ 55-60 and 16-18 when going 75+. City is about 18. Mudding or off road is about 10. My old 3.0 auto would average around 14. Thought I might have a gas leak when I first got it.

[nissanh]

Originally Posted by jreask

How does that affect fuel mileage ?

You want to make sure the clutch is not slipping. this can happen when there is no free movement in the clutch pump push rod and the clutch paddle. Same with the slave cylinder push rod and the arm that operate the clutch cover.

Also Aisin makes the OEM toyota parts. I remember when I bought my car, it had bad braking. I replaced all with OEM toyota brakes and trust me with much less force I can slow down my car. The difference is the material in the brake pad. Similarly, the material in the clutch is also important.

[jreask]

Originally Posted by nissanh

You want to make sure the clutch is not slipping. this can happen when there is no free movement in the clutch pump push rod and the clutch paddle. Same with the slave cylinder push rod and the arm that operate the clutch cover.

Also Aisin makes the OEM toyota parts. I remember when I bought my car, it had bad braking. I replaced all with OEM toyota brakes and trust me with much less force I can slow down my car. The difference is the material in the brake pad. Similarly, the material in the clutch is also important.

I know very little about clutches and slave cylinders, etc. I am not afraid to try anything though, as you know by my recent water pump/TB change. Can you point me to some illustrations to educate myself on the clutch system?

Thanks,
JR

[BrianSD_42]

My understanding is both get similar gas mileage.

16-19 is NORMAL.

[Dan.3]

Originally Posted by jreask

Right now I have a 99 SR5 manual tranny with 142K on the odometer. I actually only get between 17-18 whether in the city or on the highway. It's turning 2800 RPM's at 70 MPH. I have owned several automatics and they always averaged 19 MPG combined. I know the stick is supposed to get better mileage but not this one. It has new plugs and wires, new timing Belt and pump and always fresh oil. This is just letting you know that the 5 speeds don't always get better mileage.

Is yours a V6? What gearing do you have and what size are your tires? I have a 99 limited 4x4 that turns about 2350 rpm at 70mph with 4.30 gears on 265 75 R16.

I average around 17 city 22-23 on the highway at 70mph (flat roads) and 18-19 mixed