I'm considering the purchase of a 2006 Charger with the 3.5L V6. I'm
> concerned about the recommended octane level for the 3.5. All gasoline
> is expensive and 89 octane is out of the question. I've read that 87
> octane is "OK" to use in the 06 3.5 but there must be a difference or
> 89 wouldn't be the primary choice. What problems will I have if I use
> 87 exclusively? (pinging, loss of power, etc.) Thanks.
>
They don't recommend it for fun; after all, the recommendation hurts sales. Don't buy a car that you are willing to treat properly.