Infiniti's Q50 luxury sedan and Q60 coupe are equipped as standard with a 3.0-litre V6 engine that develops 300 horsepower in the 3.0t LUXE, Signature and Sport trim levels, while the Red Sport 400 variants benefit from more muscle thanks to a twin-turbo, 3.0-litre V6 that produces 400 horsepower. All these versions are offered with a seven-speed automatic transmission as well as an all-wheel drive system.