So here are my candidates for best sounding engines currently on the market, as supplied by the factory. Optional factory sport/race exhaust are allowed, but no aftermarket setups. Cylinder count is the only breakout - any configuration (V, inline, boxer, etc) and NA or FI is acceptable.

Personally I think the Huracan sounds the best. The Lotus Evora 400 also sounds incredibly good (especially that it is a V6). What do you think?

New 4-cylinder: Porsche 718 Cayman

New 6-cylinder: Lotus Evora 400

New 8-cylinder: McLaren 720S

New 10-cylinder: Huracan Performante

New 12-cylinder: Aventador (factory race exhaust)