The Chevrolet Onix II 1.2 (90 hp) is a subcompact hatchback produced by Chevrolet from 2019 to 2025. It represents an entry-level offering within the broader Onix II generation (launched in 2019), positioned as an affordable and fuel-efficient option in the South American market, particularly Brazil and Argentina. The Onix II is built on General Motors’ GEM platform, and the 1.2-liter engine/manual transmission combination was a key volume seller, targeting cost-conscious buyers. This variant aimed to provide basic transportation with acceptable performance and modern features for its price point.
Technical Specifications
| Brand | Chevrolet |
| Model | Onix |
| Generation | Onix II |
| Type (Engine) | 1.2 (90 Hp) |
| Start of production | 2019 |
| End of production | 2025 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 11.6 kg/Hp, 86.4 Hp/tonne |
| Weight-to-torque ratio | 9.1 kg/Nm, 110.4 Nm/tonne |
| Power | 90 Hp @ 6200 rpm |
| Power per litre | 75.1 Hp/l |
| Torque | 115 Nm @ 4400 rpm (84.82 lb.-ft. @ 4400 rpm) |
| Maximum engine speed | 6500 rpm |
| Engine layout | Front, Transverse |
| Engine displacement | 1199 cm3 (73.17 cu. in.) |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 90.5 mm (3.56 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 3.75 l (3.96 US qt | 3.3 UK qt) |
| Coolant | 5.4 l (5.71 US qt | 4.75 UK qt) |
| Kerb Weight | 1042 kg (2297.22 lbs.) |
| Max. weight | 1452 kg (3201.11 lbs.) |
| Max load | 410 kg (903.9 lbs.) |
| Trunk (boot) space – minimum | 303 l (10.7 cu. ft.) |
| Fuel tank capacity | 44 l (11.62 US gal | 9.68 UK gal) |
| Length | 4163 mm (163.9 in.) |
| Width | 1731 mm (68.15 in.) |
| Width including mirrors | 2044 mm (80.47 in.) |
| Height | 1476 mm (58.11 in.) |
| Wheelbase | 2551 mm (100.43 in.) |
| Front track | 1506 mm (59.29 in.) |
| Rear (Back) track | 1510 mm (59.45 in.) |
| Front overhang | 882 mm (34.72 in.) |
| Rear overhang | 730 mm (28.74 in.) |
| Ride height (ground clearance) | 128 mm (5.04 in.) |
| Minimum turning circle (turning diameter) | 10.4 m (34.12 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Torsion |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 185/70 R14; 185/65 R15 |
| Wheel rims size | 5.5J x 14; 6J x 15 |
Powertrain & Engine Architecture
The Chevrolet Onix II 1.2 utilizes a 1.2-liter inline-three cylinder engine, designated as a member of the GM Small Engine Family. This engine, while relatively simple in design, incorporates features like multi-point fuel injection and a double overhead camshaft (DOHC) valvetrain to optimize efficiency and power output. The engine’s 10.5:1 compression ratio contributes to its performance. The 1.2L engine is known for its relatively smooth operation for a three-cylinder unit. It’s paired with a five-speed manual transmission, chosen for its affordability and suitability for the target market. The transmission’s gear ratios are tuned for fuel economy and everyday drivability rather than outright performance.
Driving Characteristics
The 90 hp output and 115 Nm of torque provide adequate, but not exhilarating, performance. Acceleration is best described as leisurely, with a 0-60 mph time estimated around 12-13 seconds. The five-speed manual transmission allows drivers to keep the engine in its optimal power band, but frequent downshifting is often required for overtaking maneuvers. Compared to higher-trim Onix II models equipped with the 1.0-liter turbocharged engine, the 1.2L feels noticeably less powerful. However, the 1.2L offers a more linear power delivery, making it easier to modulate for new drivers. The relatively light weight of the Onix II helps mitigate the effects of the modest engine output.
Equipment & Trim Levels
The 1.2-liter Onix II typically served as the base trim level. Standard equipment generally included air conditioning, power steering, power windows, central locking, and an audio system with Bluetooth connectivity. Safety features included dual front airbags and ABS. Higher trim levels added features like alloy wheels, a touchscreen infotainment system, rear parking sensors, and automatic headlights. Interior upholstery was typically cloth, with a functional but basic design. Optional extras included a more advanced infotainment system with smartphone integration and a rearview camera.
Chassis & Braking
The Onix II features a McPherson strut front suspension and a torsion beam rear suspension. This setup provides a reasonable balance between ride comfort and handling. The front brakes are discs, while the rear brakes are drums – a cost-saving measure common in this segment. ABS is standard, providing enhanced braking performance in emergency situations. The steering is a rack and pinion system, offering decent precision and feel. Stabilizer bars were typically fitted to the front suspension to reduce body roll during cornering.
Market Reception & Comparison
The Chevrolet Onix II 1.2 was well-received in its target markets as an affordable and practical subcompact hatchback. Critics praised its fuel efficiency and ease of driving, but noted its lack of outright performance. Compared to other trims in the Onix II lineup, the 1.2L offered the lowest price of entry but sacrificed performance and some features. Against competitors like the Fiat Argo and Volkswagen Polo, the Onix II 1.2 held its own in terms of value for money and fuel economy. However, some competitors offered more refined interiors or more powerful engine options.
Legacy
The 1.2-liter engine in the Onix II has proven to be relatively reliable, with few widespread mechanical issues reported. Its simplicity contributes to its durability and ease of maintenance. In the used car market, the Onix II 1.2 remains a popular choice for budget-conscious buyers seeking a dependable and fuel-efficient vehicle. While not a performance standout, its affordability and practicality have ensured its continued relevance in the South American automotive landscape. The Onix II, in general, became a best-selling car in Brazil, and the 1.2L variant played a significant role in achieving that success.
