Mainly produced in General Motors Brazil’s plants in Gravataí and São Caetano do Sul, the Onix is a five-door hatchback.

A crossover-like version called the Onix Activ was also added, with raised suspension, plastic body cladding and roof rack.

[7] Specs include front-wheel drive, MacPherson strut front and twist-beam rear suspension, and (in the three versions shown) dual airbags, ABS and power steering.

The Onix is offered in China with a turbocharged, direct-injected 1.0-liter 3-cylinder engine, rated at 92 kW (123 hp; 125 PS) and 180 N⋅m (133 lb⋅ft; 18 kg⋅m) torque.

[16] For both body options, the 1.0L indirect injection engines, naturally aspirated and turbocharged (82hp and 116hp), and 6-speed manual and automatic transmissions are available.

Controversies with the oil-immersed timing belt system of the engines that serve the Onix, Tracker and Montana.

In 2019, the Chevrolet Onix was the best-selling car model in Brazil, for the fifth consecutive year, with a total of 268,066 sales.

The Onix was launched in the Mexican market in spring of 2020 as well to place itself between the Cavalier and the Sail, the latter being known as Aveo in that country.

Its top trim line, Premier, uses a 1.2-litre motor able to generate 96 kW (129 hp) and 141 lb⋅ft (191 N⋅m) torque, and is only offered with a 6-speed automatic transmission.

In addition, the Onix includes a 7" (17 cm) infotainment system screen, OnStar services, and reverse sensor with camera.

In early 2023, UzAuto Motors began to accept orders for new versions of the Chevrolet Onix Premier.

In addition, the UzAuto Motors Powertrain plant also produces the 3-cylinder 1.2-litre turbocharged CSS Prime engine that the Onix uses.