hairypet55

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I've been wondering lately why the slk55 uses the hand built AMG 5.5L 24v motor which only puts out 355 hp/376 tq, when the plain vanilla non-AMG 5.5 L 32v motors puts out more power (around 380 hp/391 tq).

I love the slk55 cars, but shouldn't the AMG 55 be putting out more power (ignoring the black serires) with the hand built AMG motor.

Are there advantages to the AMG motor like lighter weight, durability, etc. Or is it that the 32v motor just doesn't fit in the SLK.

Just seems odd to me that now that the non-AMG V8 put out bigger numbers the AMG V8 in our cars?

Probably a dumb question, but I've put on my flame retardant suit......

Thanks.