Yesterday VW revealed the A3 Clubsport Quattro – which is believed to be a concept prototype of the upcoming RS3 sedan.
The biggest news comes from the concept car is its 525hp 5-cylinder turbo engine. From my point of view, this is a revolution in the market. The reason is: VW is able to pump out 525hp from the 2.5-litre displacement, using only 1.5 bar pressure of turbo boost, this translates to 212hp per litre. For comparison, the Mercedes-Benz M133 engine which is used on the CLA45AMG, is using a much higher 1.8 bar of boost, but can only achieve 181hp per litre.
The VW engine has excellent torque curve too: 443 lb-ft available from 2300 to 6000 rpm...
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