2009 GM transmissions

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Posted by grizzly ( on 19:28:59 04/09/08

Recently sold my 1999 K2500 Sub. Needed to do some towing last weekend, so I rented a 2008 Crew Cab long bed 2500HD Sierra with the 6.0 litre engine and 6 speed automatic. Very impressive vehicle, especially towing, but probably more truck than I need to replace my Sub.

I am leaning toward a 2008 Avalanche, which only comes with 4 speed auto trans (4L60), choice of either 5.3 litre or 6.0 litre engine. Leaning to 5.3 for fuel economy reasons.

Does anyone know if GM has announced a new 5 sp or 6 sp auto trans for 2009 Avalanche, Sub, Tahoe, etc. with the 5.3 engine?

Thanks in advance.


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