The Chevrolet Onix 1.4 (98 hp) Automatic, part of the first generation (Onix I) facelift introduced in 2017, represented a key entry point into the popular Brazilian-designed subcompact hatchback. Produced through 2019, this variant played a significant role in Chevrolet’s strategy for the South American market, offering a balance of affordability, fuel efficiency, and convenience with its automatic transmission. The Onix, built on General Motors’ global Gamma platform (also underpinning models like the Opel Corsa and Fiat Palio), quickly became a best-seller in Brazil, challenging established competitors like the Volkswagen Gol and Fiat Palio. This specific 1.4L automatic configuration aimed to attract buyers seeking an easy-to-drive, practical city car without sacrificing essential features.
Technical Specifications
| Brand | Chevrolet |
| Model | Onix |
| Generation | Onix I (facelift 2017) |
| Type (Engine) | 1.4 (98 Hp) Automatic |
| Start of production | 2017 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 10.9 kg/Hp, 91.6 Hp/tonne |
| Weight-to-torque ratio | 8.5 kg/Nm, 117.8 Nm/tonne |
| Power | 98 Hp @ 5800 rpm |
| Power per litre | 70.6 Hp/l |
| Torque | 126 Nm @ 2800 rpm (92.93 lb.-ft. @ 2800 rpm) |
| Maximum engine speed | 6300 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | A14XE |
| Engine displacement | 1389 cm3 (84.76 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 77.6 mm (3.06 in.) |
| Piston Stroke | 73.4 mm (2.89 in.) |
| Compression ratio | 10.5:1 |
| 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 | 1070 kg (2358.95 lbs.) |
| Max. weight | 1445 kg (3185.68 lbs.) |
| Max load | 375 kg (826.73 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 | 3933 mm (154.84 in.) |
| Width | 1705 mm (67.13 in.) |
| Width including mirrors | 1964 mm (77.32 in.) |
| Height | 1475-1476 mm (58.07 – 58.11 in.) |
| Wheelbase | 2528 mm (99.53 in.) |
| Front track | 1487-1492 mm (58.54 – 58.74 in.) |
| Rear (Back) track | 1489-1492 mm (58.62 – 58.74 in.) |
| Front overhang | 825 mm (32.48 in.) |
| Rear overhang | 580 mm (22.83 in.) |
| Ride height (ground clearance) | 123 mm (4.84 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 | 6 gears, automatic 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 15; 5.5J x 15 |
Powertrain & Engine Architecture
The Onix 1.4 Automatic utilized the GM A14XE engine, a 1.4-liter inline-four cylinder powerplant. This engine featured a single overhead camshaft (SOHC) design and multi-point fuel injection. The A14XE was designed for efficiency and affordability, prioritizing fuel economy over outright performance. Its 98 horsepower output at 5800 rpm and 126 Nm (93 lb-ft) of torque at 2800 rpm were typical for this class of vehicle in the South American market. The engine’s relatively simple design contributed to its reliability and ease of maintenance. The six-speed automatic transmission, while offering convenience, was a traditional hydraulic automatic rather than a more modern continuously variable transmission (CVT). This transmission was tuned for smooth shifts and fuel efficiency, but at the expense of rapid acceleration.
Driving Characteristics
The 1.4L Automatic Onix offered a comfortable, if not particularly exhilarating, driving experience. Acceleration was adequate for city driving, but merging onto highways or overtaking required careful planning. The automatic transmission, with its six forward gears, helped to keep the engine within its optimal power band, but the overall performance felt noticeably slower compared to the available manual transmission or the more powerful 1.8-liter engine options. The gear ratios were optimized for fuel economy, resulting in a somewhat leisurely pace. The steering was light and easy, making it maneuverable in urban environments, but lacked the precision and feedback desired by more enthusiastic drivers.
Equipment & Trim Levels
The Onix 1.4 Automatic typically came equipped with air conditioning, power windows, power door locks, and a basic audio system with USB connectivity. Higher trim levels, such as the LT, added features like alloy wheels, a more sophisticated audio system with Bluetooth connectivity, and a multi-function steering wheel. Safety features included dual front airbags and ABS (Anti-lock Braking System). Interior upholstery was typically cloth, with a functional and durable design. Optional extras included a rearview parking sensor and a more advanced infotainment system.
Chassis & Braking
The Onix featured a McPherson strut front suspension and a torsion beam rear suspension. This setup provided a reasonable balance of ride comfort and handling. The front brakes were disc brakes, while the rear brakes were drum brakes – a cost-saving measure common in this segment. ABS was standard, enhancing braking performance and safety. The chassis was designed to be lightweight, contributing to fuel efficiency, but also limiting the vehicle’s dynamic capabilities. Stabilizer bars were included to reduce body roll during cornering, but the overall handling was geared towards comfort rather than sporty performance.
Market Reception & Comparison
The Chevrolet Onix 1.4 Automatic was generally well-received by consumers in Brazil and other South American markets. Critics praised its affordability, fuel efficiency, and ease of use. However, some reviewers noted its lack of power and somewhat basic interior. Compared to the 1.8-liter Onix, the 1.4 Automatic offered significantly less performance but at a lower price point. The 1.8-liter version appealed to drivers who prioritized performance, while the 1.4 Automatic targeted buyers who valued economy and convenience. Fuel economy was a strong point for the 1.4 Automatic, consistently achieving respectable mileage in real-world driving conditions. Reliability was generally good, with the A14XE engine proving to be a durable and dependable unit.
Legacy
The Chevrolet Onix, including the 1.4 Automatic variant, established itself as a dominant force in the South American subcompact hatchback segment. Its success paved the way for the second-generation Onix, which continued to build on its predecessor’s strengths. In the used car market, the Onix 1.4 Automatic remains a popular choice due to its affordability, fuel efficiency, and relatively low maintenance costs. The A14XE engine is known for its durability, and parts availability is generally good. While not a performance car, the Onix 1.4 Automatic provided a practical and reliable transportation solution for a wide range of buyers, solidifying its place as a significant vehicle in the Brazilian automotive landscape.



