A W8 is an 8-cylinder piston engine consisting of four banks of two cylinders, or two juxtaposed V4 engine blocks, coupled to one crankshaft.
Volkswagen Group currently produces a W8 engine, based on its W12 which uses two narrow-angle VR6 engines. The narrow angle of each set of cylinders allows just two camshafts to drive each pair of banks, so just four are needed in total. Note that this design differs from the W18 that Volkswagen produced for its Bugatti concept cars of 1998 and 1999. The VW W8 is used in the Volkswagen Passat.
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Volkswagen's VR6 and W-engines
