I think the Maserati (Ferrari) 3.0l V6 making 410 PS is a very good measuring stick. This engine is meant for GTs, not sportscars like BMW M. So if the M3/M4 engine is not making at least 450 PS from its 3.0l I6, I say it is weak. The new Audi S3 makes 300 PS from its 2.0l I4 (150 PS/l).
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