The Chevrolet Onix 1.0, produced between 2013 and 2016, represented the entry point into the first generation of Chevrolet’s popular Onix hatchback. Designed primarily for the South American market, particularly Brazil, the Onix aimed to provide an affordable and fuel-efficient option in the competitive subcompact segment. This specific 1.0-liter variant, available with either 78 or 80 horsepower depending on fuel type (gasoline or ethanol), served as the base model, offering essential transportation for a broad customer base. It was a key component of Chevrolet’s strategy to regain market share in Brazil and establish a strong presence in the growing small car sector.
Technical Specifications
| Brand | Chevrolet |
| Model | Onix |
| Generation | Onix I |
| Type (Engine) | 1.0 (78/80 Hp) Ethanol |
| Start of production | 2013 |
| End of production | 2016 |
| 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, 74.9 Hp/tonne |
| Weight-to-torque ratio | 11.2 kg/Nm, 89.3 Nm/tonne |
| Power | 78 Hp @ 6400 rpm |
| Power per litre | 78.1 Hp/l |
| Power (Ethanol – E85) | 80 Hp @ 6400 rpm |
| Power per litre (Ethanol – E85) | 80.1 Hp/l |
| Torque | 93 Nm @ 5200 rpm, 68.59 lb.-ft. @ 5200 rpm |
| Torque (Ethanol – E85) | 96 Nm @ 5200 rpm |
| Maximum engine speed | 6800 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | SPE/4 |
| Engine displacement | 999 cm3, 60.96 cu. in. |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 71.1 mm, 2.8 in. |
| Piston Stroke | 62.9 mm, 2.48 in. |
| Compression ratio | 12.6:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 3.5 l, 3.7 US qt | 3.08 UK qt |
| Coolant | 5.4 l, 5.71 US qt | 4.75 UK qt |
| Kerb Weight | 1042 kg, 2297.22 lbs |
| Max. weight | 1440 kg, 3174.66 lbs |
| Max load | 398 kg, 877.44 lbs |
| Trunk (boot) space – minimum | 280 l, 9.89 cu. ft |
| Fuel tank capacity | 54 l, 14.27 US gal | 11.88 UK gal |
| Length | 3930 mm, 154.72 in |
| Width | 1705 mm, 67.13 in |
| Width including mirrors | 1964 mm, 77.32 in |
| Height | 1484 mm, 58.43 in |
| Wheelbase | 2528 mm, 99.53 in |
| Front track | 1487 mm, 58.54 in |
| Rear (Back) track | 1493 mm, 58.78 in |
| Front overhang | 822 mm, 32.36 in |
| Rear overhang | 580 mm, 22.83 in |
| Ride height (ground clearance) | 130 mm, 5.12 in |
| Minimum turning circle (turning diameter) | 10.43 m, 34.22 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, 240×20 mm |
| Rear brakes | Drum, 200×31.5 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 185/70 R14; 185/65 R15 |
| Wheel rims size | 5J x 14; 5.5J x 15 |
Powertrain & Engine Architecture
The heart of the Onix 1.0 was the SPE/4 engine, a 999cc inline-four cylinder unit. This engine was designed with fuel efficiency as a primary goal. It featured a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. The engine utilized a multi-point fuel injection system, a common setup for the time, delivering fuel directly to the intake ports. A key characteristic of the SPE/4 was its ability to run on both gasoline and ethanol (E85), a common practice in Brazil due to the country’s extensive ethanol production. The ethanol-fueled version produced a slightly higher 80 horsepower compared to the 78 horsepower output on gasoline. The engine’s relatively low compression ratio of 12.6:1 helped to ensure reliability and compatibility with the varying fuel qualities available in the Brazilian market. The engine was transversely mounted, driving the front wheels.
Driving Characteristics
The Onix 1.0, with its modest 78 or 80 horsepower, was not designed for spirited performance. Acceleration was adequate for city driving, but overtaking maneuvers required careful planning. The five-speed manual transmission was geared to maximize fuel economy, resulting in relatively tall gear ratios. This meant that the engine often felt strained when climbing hills or accelerating quickly. Compared to the more powerful 1.4-liter versions of the Onix, the 1.0 felt noticeably slower. However, the lighter weight of the 1.0 model (1042 kg) did help to mitigate some of the performance deficit. The steering was light and easy to use, making it well-suited for navigating urban environments. The suspension, while basic, provided a reasonably comfortable ride on most road surfaces.
Equipment & Trim Levels
As the entry-level trim, the Onix 1.0 typically came with a fairly basic set of features. Standard equipment generally included power steering, air conditioning, and a basic audio system with AM/FM radio and auxiliary input. Safety features included dual front airbags and an Anti-lock Braking System (ABS). Interior upholstery was typically cloth, and the dashboard featured a simple, functional design. Optional extras included power windows, power door locks, and a more advanced audio system. Higher trim levels of the Onix, such as the LT and LTZ, offered more luxurious features like alloy wheels, fog lights, and a more sophisticated infotainment system.
Chassis & Braking
The Onix 1.0 utilized a McPherson strut independent suspension setup at the front, providing a decent level of ride comfort and handling. The rear suspension employed a torsion beam axle, a cost-effective solution that offered adequate stability. The braking system consisted of disc brakes at the front and drum brakes at the rear. While adequate for everyday driving, the drum brakes at the rear were less effective than disc brakes, particularly in emergency braking situations. The Onix 1.0 featured a hydraulic power steering system, providing light and easy steering feel. Tire sizes typically ranged from 185/70 R14 to 185/65 R15, depending on the trim level.
Market Reception & Comparison
The Chevrolet Onix 1.0 was generally well-received in the Brazilian market as an affordable and practical option. Critics praised its fuel efficiency and ease of driving, but noted its lack of performance. Compared to other subcompact hatchbacks in Brazil, such as the Fiat Palio and Volkswagen Gol, the Onix 1.0 offered a competitive combination of price, features, and fuel economy. The 1.4-liter versions of the Onix were often preferred by buyers who prioritized performance, but the 1.0 model remained popular among those seeking a budget-friendly option. Fuel economy was a strong point, with the 1.0-liter engine achieving respectable mileage figures on both gasoline and ethanol.
Legacy
The Chevrolet Onix, including the 1.0-liter variant, proved to be a highly successful model for Chevrolet in South America. It consistently ranked among the best-selling cars in Brazil for several years. The SPE/4 engine, while not known for its power, proved to be relatively reliable and durable. In the used car market, the Onix 1.0 remains a popular choice for budget-conscious buyers seeking a practical and fuel-efficient hatchback. Maintenance costs are generally low, and spare parts are readily available. While it may not offer the excitement of more powerful rivals, the Onix 1.0 continues to provide affordable transportation for many drivers.
