Just a straight forward job here for us - replacing the driver's side wing and blending the colour into the door. But, what caught my eye was the size of the engine. Wow! A capacity of 6L, provided by 12(!) cylinders set out in a "W" formation. It's probably the biggest engine we've had here!
Here's the interesting bit: Why W12 and not V12??
The advantage of the W12 engine is its compact packaging, allowing Audi to build a 12-cylinder saloon with all-wheel drive, whereas a conventional V12 could only have a rear-wheel drive configuration as it would have no space in the engine bay for a differential and other components required to power the front wheels. In fact, Audi's 6.0L W12 is actually a bit smaller by overall dimensions than the 4.2L V8!
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