Date registered: Jul 2009
Vehicle: 2006 SL500/2006 Porsche Cayenne S Titanium
Location: Upper Marlboro, MD
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Whgat did you decide to do about the SL? I previously owned a 04 Cadillac XLR w/22k and traded it for a 06 SL500 w/8k. I will say that the XLR had more torque and was quicker to 60mph than the SL, however, the SL was put together better, less rattles, and felt alot tighter with the hard top.
I installed a spint booster and noticed an immediate difference in the throttle response. It was almost as good as the XLR. Another thing that was better in the SL is the turning radius. Also you have more trunk space with the top down on the SL.
Overall, you should be happy with the SL550 because that has 382hp more torque than the SL500 and better resale value than the Corvette. The vettes are great but the SL is in a different class.
06 SL500 Pewter w/Berry Red interior Sprint Booster
06 Porsche Cayenne S Titanium Red w/black & beige interior