Ratbag
Administrator
- Joined
- Jan 1, 2012
- Messages
- 7,483
- Location
- Bayside, Melbourne, Vic
- Car Year
- MY06, MY10
- Car Model
- Forester SG & SH
- Transmission
- 5MT/DR & 4EAT Sports
Gidday Athos
That's the difference. And the Sports Shift (Tiptronic) was originally designed by Porsche to overcome the problems of wear and tear on "conventional" auto boxes by driving them like a manual, as I understand things.
Someone please correct me if I'm wrong ...
Yes.
All models from the first SF to the 2012 N/A AT have the following gear ratios:
1st = 2.785:1
2nd = 1.545:1
3rd = 1.000:1
4th = 0.694:1
with a FD ratio of 4.444:1 all models.
This all remained the same until the 2012 Forester, according to the brochures I have.
It seems that the only differences are in the TCU (Transmission Control Unit), but there may also be differences inside the boxes, even though the ratios have remained the same all the way through.
I wasn't even aware that the Forester came with two different ATs until I read up on it in my OM ...
!
Note that the turbo ATs had a different FD ratio, but still had the same gearbox ratios.
Roxsie II had the "standard AT". Below "D" there were "3"/"2"/"1" positions for restricting the upper gear ratio. Same as your description for the "sport shift", but without the up/down selection method: just move the lever into the right position (involved some left/right selections to make it hard to drop it too far down accidentally: the lever path wasn't straight).
That's the difference. And the Sports Shift (Tiptronic) was originally designed by Porsche to overcome the problems of wear and tear on "conventional" auto boxes by driving them like a manual, as I understand things.
Someone please correct me if I'm wrong ...
Ratbag: does the spec sheet for the MY06/07 show the gear ratios? I expect them to be the same across the two gearboxes, but that's just an assumption. In the latest Forries the 'L' model upwards have up/down shift paddles on the steering wheel, but the gearbox itself seems to be the same as the non-L model.
Yes.
All models from the first SF to the 2012 N/A AT have the following gear ratios:
1st = 2.785:1
2nd = 1.545:1
3rd = 1.000:1
4th = 0.694:1
with a FD ratio of 4.444:1 all models.
This all remained the same until the 2012 Forester, according to the brochures I have.
It seems that the only differences are in the TCU (Transmission Control Unit), but there may also be differences inside the boxes, even though the ratios have remained the same all the way through.
I wasn't even aware that the Forester came with two different ATs until I read up on it in my OM ...

Note that the turbo ATs had a different FD ratio, but still had the same gearbox ratios.