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Automatic shift speeds (mph)

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Old 16 May 2009, 06:17 am
Fresh Cruiser
Join Date: Jul 2007
Location: Middle Village, NY
Posts: 27
Default Automatic shift speeds (mph)

I have a 2007 Touring, NA and it is the first automatic transmission car I owned (always has standard trans before).

Is there a precise point where the auto trans upshifts to the next gear? Or, does it depend on rpm and/or load (uphill or level).

In normal city driving, it seems to go to 2nd gear abut 10-15 mph; and 3rd about 20-25 mph; but I can't really sense the shifting to 4th especially in traffic (We don't really see traffic-free straightaways around here).

Seems to me in doing a moderate acceleration (under 2000 rpm) it should always shift at the same point on level ground.

I really am satisfied with my PT's gas mileage; but would appreciate any tips or suggestions in making my driving habits more fuel-efficient.
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Old 16 May 2009, 08:30 am
Hooligan's Avatar
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Join Date: Aug 2003
Posts: 6,023
Default Re: Automatic shift speeds (mph)

Hey there Alvin, I think your right with the shifting at different speeds. I will speed up to about 35-40 to shift into 4th and then let off, normally I will be able to stay in 4th even tho I have slowed down. Seeing that I usually do mostly city driving I do a easy roll up to lights after timing my stops and barely touch the brakes. If you look at my "Fuelly" you'll see my average is 22.2 MPG. I'm very happy with that.

2008 Silver Steel Metallic, Touring, NA, Sirius; Chromed door handles; lower grille; fog light surrounds; chrome front & rear bumpers strips; Airaid air filter; Bassani duals; Modesty Cover; Autolite AP5263 Platinum Plugs (.040); Crane Plug Wires; NAPA Ceramic pads; Blane hood struts; PTeazer Gas, Brake & Foot Rest Pedals, '05 Rear Step Pad, Stainless Door Sills, Llumar tint, "A" Piller chrome; APC Strut Bar

Last edited by Hooligan; 16 May 2009 at 01:31 pm.
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Old 16 May 2009, 01:05 pm
quicksilverdon's Avatar
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Join Date: Nov 2003
Location: Felton, Delaware
Posts: 20,501
Default Re: Automatic shift speeds (mph)

The tranny actually "learns" how you drive (actually, the computer "learns"). Mine used to drop down to third at about 40 mph, but now, as I drive easier, it'll stay in 4th to about 35.
I have averaged just over 25 mpg - total overall - over 76,000+ miles - I keep a log of all the gas I put in.
"Anti-intellectualism has been a constant thread winding its way through our political and cultural life,
nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
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'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
Traded in '02 Silver Touring Edition w/87,000 miles
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Old 20 May 2009, 08:04 am
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Location: Middle Village, NY
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Default Re: Automatic shift speeds (mph)

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