Turbos, biturbos, triturbos, superchargers and the rest Which engine charging approach is best?

Mercedes-AMG A 45 - Fahrbericht - Lausitzring Zoom Photo credits:
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The two-litre four-cylinder Mercedes AMG A 45 is the classical measure of modern day turbo engines, and simultaneously the engine with the highest power density – not just in our test but on the market.

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