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What's the difference between 4-speed auto and 5-speed auto.
2001 camry has 4-speed while 2005 I4 camry has 5-speed.
I drive 2001 Camry I-4. At shift "D" my transmission changes to the 5th gear when I go ober 75 Km/h.In teh manual it say, I hav 4-speed auto.
What do the 4-speed,5-speed, 6-speed auto mean?????
Last edited by taimurakhter; 11-07-2004 at 09:20 PM.
Originally posted by KoboChan 2001 camrys never come with 5-speed auto.. only 4 speed auto or 5 speed manual
just curious, 4 speed forward and 1 reverse, does that add up to 5?
only 2005 i4 starts with 5 speed auto, if your 2001 i4 has auto, you probabably don't have 5th gear, the manual is probably refering to 5th gear of manual transmission
I'm kind of doubting it shifts into 5th on yours. That would require you to have a version that was not released for 3 years early.
Only the 2005 (keep in mind the 2005's come out in late 2004) has the 5-speed auto transmission. It's not all it's cracked up to be. They shift liquid smooth, but downshifting they tend to have to search to find a gear.
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Last edited by SmokingTiresV6; 11-07-2004 at 11:51 PM.
I think some of the 2004 had a 5-speed as well, such as the SE V6. I thought I remembered reading that and I just searched ebay and found a 2004 SE V6 with a 5-speed auto ECT-i.
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Just remember guys, no matter how bad the 5-speed is there will(hopefully) NEVER be a Toyota transmission as bad as the '02-'04.
The shitty throttle-by-wire combined with a horrible transmission/ecu programming makes it a really crappy setup.
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Originally posted by bronzemaxell just curious, 4 speed forward and 1 reverse, does that add up to 5?
only 2005 i4 starts with 5 speed auto, if your 2001 i4 has auto, you probabably don't have 5th gear, the manual is probably refering to 5th gear of manual transmission
4 speed: 4 gears forward and 1 reverse.. sooo.. 4 speed: 5 gears. people start saying 4 speed because every car has a reverse gear..
i think toyota is a little bit late on their auto matic transmissions.... mercedes benz had 5-speed auto's for years and years.... and they just recently came out with a 7-speed automatic... while its either standard 5-speed auto, 6 speed clutch or 7 speed auto.
Great on gas mileage, keeping your engine in it's little happy place.
Great when you stomp it, closer gear ratios allow for even RPM drops between gear. Around 800 RPM between gear changes between every gear. Which is nice for the middle power band because it keeps you right in the zone.
BUT it does get lost in the mix when putting around town. You leave a stop light and before you're going 35 MPH you're already in 5th. So you press the gas to change lanes and pass and,,,,,,,,, there you go. It takes longer to downshift from 5th to 3rd than 4th to 3rd. I manual shift the car when it starts to get on my nerve. Causes me some milage issues but you gotta do what ya gotta do. Manual shifting it works really great. Always in the gear you want to be in.
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Originally posted by MadDawg i think toyota is a little bit late on their auto matic transmissions.... mercedes benz had 5-speed auto's for years and years.... and they just recently came out with a 7-speed automatic... while its either standard 5-speed auto, 6 speed clutch or 7 speed auto.
Ok, your comparing Benz to Toyota. Think about everything wrong with that... They aren't going against eachother, so why would Toyo care what Benz does. Benz = High end $100k 5-speed auto. Toyota = 5-speed middle class family car.
You could just as easily say every car company is behind in their manuals, because Cummins makes a 13-speed...
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the 5th gear you're feeling is probably the torque convertor locking up (normal) in my 93, it locks up so positively that it feels like another gear sometimes... just a lil insight
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One benefit is lower RPM at highway cruising speed. My 2004 4-sp AT does ~2900 RPM @ 80 mph. The new 5-sp does just 2700 RPM @ 80 mph (or so I've been told by someone who has one).
Originally posted by ian721 One benefit is lower RPM at highway cruising speed. My 2004 4-sp AT does ~2900 RPM @ 80 mph. The new 5-sp does just 2700 RPM @ 80 mph (or so I've been told by someone who has one).
FYI, I just checked and mine does 2,600 RPM @ 80MPH.
To clarify, all over drive gear ratios are almost the same. Meaning that your 4th gear ratio in your 4-speed auto is almost the same as my 5th gear ratio in my 5-speed auto. The differences in cruising RPM @ 80MPH can be explained by the axle ratio. The 2004 2.4l I4 = 3.94. While the 2004 3.0 V6 = 3.29. The differences in axle ratios is due to the differences in engine size and output. The larger more powerful V6 can push a larger gear comfortably while the I4 needs a smaller one to be efficient.
Now the 3rd gear in your auto should be 1 to 1 and the 4th gear in mine should be 1 to 1. So with the final gears being 1 to 1 ratios and the O/D being almost the same, the real difference is in the other gear ratios.
Just imagine riding a ten speed bike. It's gearing is designed to keep your pedal cadence consistent as you go up in gears while increasing your speed. Now imagine a ten speed bike that's skipping gears. You start pedaling and when you go to shift it skips a few gears and all of a sudden you're busting your ass trying to get your cadence back to where it was. Same thing with more speeds in a transmission. It's much more efficient the more gears you have. It keeps you in the engines power range better thus your engine doesn't have to work as hard.
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gotcha on the axle ratio..........thanks for the info
I learned to drive on a 1980 4-sp stick Corolla and have around 20 years experience driving 5-sp sticks, so I understand the rest very well. My 2004 Camry is the first AT I've ever owned because the wife can't drive manual.
BTW, that 4-sp Corolla had no tach.....what a trip! Had to keep your hand on the stick to get an idea of what was going on under the hood. The SOB vibrated like hell!
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5-speed Auto Vs. 4-Speed Auto(I4 model)
The SOB vibrated like hell!
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