Originally Posted by HDDP
Oh Boy, you'll get alot of debate over this one. Especially when it comes to pre-firing caused by lower octane and the engine parts that will fail with repeated pre-firing... Get ready for some serious engine repair at 50,000 +/- miles.
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Wow, this is all really good to know! Let's see here, I have about 125,000 miles on my Audi A6 and have used regular since day one. So by your calculations I am overdue for 2.5 engine rebuilds!
Or is this just a Crossfire characteristic?