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Is the 2007 Chrysler Crossfire is compatible with the E10 fuel?

Asked by Paul

Is the 2007 Chrysler Crossfire is compatible with the E10 fuel?

Answered by CarsGuide

20 Oct 2021 David Morley

You’d expect this to be a yes or no answer, but the reality is a little different. Your car can theoretically use E10 fuel, but only if that fuel has an octane rating of at least 95 RON. Much of the E10 fuel sold in Australia has an octane rating of 94, not the 95 you need, so unless the pump states that the fuel it dispenses is 95 RON, you might be better to stick with normal unleaded.

This suggests that while your car has the specific fuel system fittings that won’t be damaged by the ethanol content in E10, the engine is tuned for 95-octane fuel and could suffer pre-ignition (also called pinging or detonating) if run on 94-octane fuel. In turn, this is probably because the car was designed for a market where E10 fuel is, in fact, uniformly 95 RON, and Australia simply doesn’t line up with that.

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