The Chevrolet Onix II 1.0, producing either 78 or 82 horsepower depending on fuel type, represents an entry-level offering within the broader Onix II generation, produced from 2019 to 2025. Positioned as a subcompact hatchback primarily for the South American market, particularly Brazil, the Onix II aimed to provide affordable and efficient transportation. This specific 1.0-liter variant served as the gateway to the Onix lineup, appealing to budget-conscious buyers and those prioritizing fuel economy. It’s important to note that the Onix is not officially sold in the United States, but understanding its specifications provides insight into the evolving automotive landscape of emerging markets.
Technical Specifications
| Brand | Chevrolet |
| Model | Onix |
| Generation | Onix II |
| Type (Engine) | 1.0 (78/82 Hp) Ethanol |
| Start of production | 2019 |
| End of production | 2025 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol / Ethanol – E85 |
| Weight-to-power ratio | 13.4 kg/Hp, 74.4 Hp/tonne |
| Weight-to-torque ratio | 11 kg/Nm, 90.6 Nm/tonne |
| Power | 78 Hp @ 6400 rpm |
| Power per litre | 78.1 Hp/l |
| Power (Ethanol – E85) | 82 Hp @ 6400 rpm |
| Power per litre (Ethanol – E85) | 82.1 Hp/l |
| Torque | 95 Nm @ 4100 rpm, 70.07 lb.-ft. @ 4100 rpm |
| Torque (Ethanol – E85) | 104 Nm @ 4100 rpm |
| Maximum engine speed | 6500 rpm |
| Engine layout | Front, Transverse |
| Engine displacement | 999 cm3, 60.96 cu. in. |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 74 mm, 2.91 in. |
| Piston Stroke | 77.49 mm, 3.05 in. |
| Compression ratio | 12.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| 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 | 1049 kg, 2312.65 lbs |
| Max. weight | 1424 kg, 3139.38 lbs |
| Max load | 375 kg, 826.73 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 heart of the Onix II 1.0 is a 999cc inline three-cylinder engine. This engine, designated with various internal codes depending on the specific market and year, utilizes a single overhead camshaft (SOHC) valvetrain and multi-point fuel injection. The 12.5:1 compression ratio is relatively high, optimized for the use of ethanol-blended fuels common in Brazil. The engine’s design prioritizes efficiency over outright performance. The 5-speed manual transmission is the only gearbox option available with this engine, chosen to maximize fuel economy and keep costs down. The transmission’s gear ratios are tuned for acceleration in urban environments, rather than high-speed cruising.
Driving Characteristics
With only 78 or 82 horsepower, the Onix II 1.0 is not a performance-oriented vehicle. Acceleration is modest, and overtaking requires careful planning. However, the engine is surprisingly responsive at lower RPMs, making it suitable for city driving. The manual transmission allows for a degree of driver control, but the limited power output means that frequent downshifting is necessary when climbing hills or accelerating quickly. Compared to the more powerful 1.2-liter engine option available in the Onix II range, the 1.0 feels noticeably slower. The difference is even more pronounced when compared to the turbocharged variants.
Equipment & Trim Levels
The 1.0-liter Onix II typically represents the base trim level. Standard features generally include air conditioning, power steering, central locking, and basic audio system. Safety features such as dual airbags and ABS are also standard. Higher trim levels add features like power windows, electric mirrors, a more advanced infotainment system with touchscreen display, and alloy wheels. Interior upholstery is typically cloth, with a simple and functional dashboard layout. Optional extras often include parking sensors and a rearview camera.
Chassis & Braking
The Onix II utilizes a front-wheel-drive layout with an independent McPherson strut suspension in the front and a torsion beam suspension in the rear. 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 entry-level vehicles. The steering is rack and pinion, providing adequate precision for everyday driving. The relatively light weight of the vehicle (around 2313 lbs) helps to compensate for the limited power output.
Market Reception & Comparison
The Chevrolet Onix II 1.0 was well-received in its target market as an affordable and fuel-efficient option. Critics praised its practicality and ease of driving, but noted its lack of performance. Compared to other subcompact hatchbacks in the Brazilian market, the Onix II 1.0 offered a competitive combination of price, features, and fuel economy. The 1.2-liter engine offered a noticeable performance upgrade, but at a higher price point. The Onix II’s fuel efficiency, particularly when running on ethanol, was a key selling point.
Legacy
The Onix II, including the 1.0-liter variant, became one of the best-selling cars in Brazil, demonstrating Chevrolet’s success in catering to the needs of the local market. While the 1.0-liter engine isn’t known for exceptional longevity or high-performance capabilities, it’s generally considered a reliable unit when properly maintained. In the used car market, the Onix II 1.0 remains a popular choice for budget-conscious buyers seeking a practical and economical hatchback. Its simplicity and relatively low maintenance costs contribute to its continued appeal.
