What was once a G is now a Q...and more. While some people might be curious about the decision, Infiniti has changed the 2014 model line-up with new nomenclature. The simple reasoning is for brand clarity and to help distinguish models in an easy to understand model.
In addition, there are new products and engine choices (including more hybrids!) coming in the future that made the current name scheme very hard to keep in place.
The 2014 Infiniti line-up:
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