The Q50 model options are expanded for the new year to cover more of the market, Infiniti said.
With the addition of the Q50 2.0t, the lineup provides "a great entry point" for shoppers, the automaker said.
Standard equipment includes a 208-horsepower 2.0-liter turbocharged four-cylinder engine, eight-way power front seats, dual-zone automatic climate control, Infiniti InTouch infotainment system and 17-inch aluminum-alloy wheels.
In comparison, the base 2015 Q50 with a 3.7-liter V6 engine starts at $38,055, including shipping.
The top-of-the-line 2016 Q50 2.0t all-wheel-drive Premium model is priced at $40,555, including shipping.
Pricing for the Q50 3.0t and Red Sport 400 will be announced later, Infiniti said.
The 2016 Infiniti Q50 Hybrid starts at $47,955, including a $905 destination charge, reflecting a $2,650 price increase over the 2015 model.
The top-of-the-line 2016 Q50 Hybrid Premium with all-wheel drive is priced at $49,955, including shipping.
Edmunds says: Infiniti revs up this segment with a beefed-up lineup and an attractive pricing strategy.