I'd say no. I drove my V6 through 2 winters now with no problems and my GT should be the same. Just easy on the throttle, manual mode starts in 2nd anyway. TC off to get going. Back on once you're up to speed.
OGOC (Ontario G8 Owners Club)
09 PBM V6 (Traded)
GXP Diffuser, Mace Insulators, Solo, CAI, FE3, BMR, much more
09 WH GT, Solo Mach, HF Cats, CAI, LS3 Cam, Pat G Tuned, FE3, Whiteline, SuperPro, Centric/Hawk, DAI Autobahns 19x8.5/+35, RE760s