The exterior of the 2018 Q50 receives a new grille, larger front air dams and revised front LED accent lighting.
Out back, skinnier LED lights and a two-tone diffuser are new for the Sport models.
The Red Sport 400 remains the range-topping model with a twin-turbocharged V6 engine providing 400 horsepower.
All Q50s continue with a seven-speed automatic transmission.
For the cabin, the steering wheel, shift knob and additional accent stitching at the top of the dash are all new.
The Direct Adaptive Steering system has also been refined for 2018 to provide better feel and feedback.
The Infiniti InTouch infotainment system is a carryover from last year, which means Apple CarPlay and Android Auto capabilities are not available.
The 2018 Q50 lineup adopts a new trim level structure to include Pure, Luxe and Sport models.
Look for the 2018 Q50 to begin arriving in dealers later this summer.
Base pricing for the 2018 Q50 begins at $35,105, which includes a $905 destination charge.