The Chevrolet Sonic I Sedan (facelift 2016) 1.4 Ecotec (138 Hp) Automatic represents a significant iteration within the first generation of the Sonic, a subcompact car produced by Chevrolet. Introduced for the 2016 model year, this variant aimed to provide a balance of fuel efficiency, modern features, and affordability within the North American market. Positioned as a mid-range offering, it slotted between the base 1.8L engine option and the more performance-oriented turbocharged 1.4L manual transmission models. The Sonic, built on the Gamma II platform, was Chevrolet’s attempt to capture a larger share of the growing subcompact segment, competing with vehicles like the Honda Fit, Ford Fiesta, and Toyota Yaris.
Technical Specifications
| Brand | Chevrolet |
| Model | Sonic |
| Generation | Sonic I Sedan (facelift 2016) |
| Type (Engine) | 1.4 Ecotec (138 Hp) Automatic |
| Start of production | 2016 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 9.6 kg/Hp, 104.5 Hp/tonne |
| Weight-to-torque ratio | 6.6 kg/Nm, 151.5 Nm/tonne |
| Power | 138 Hp @ 4900 rpm |
| Power per litre | 101.2 Hp/l |
| Torque | 200 Nm @ 1850 rpm (147.51 lb.-ft. @ 1850 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | LUV |
| Engine displacement | 1364 cm3 (83.24 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 72.5 mm (2.85 in.) |
| Piston Stroke | 82.6 mm (3.25 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4 l (4.23 US qt | 3.52 UK qt) |
| Coolant | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1320-1322 kg (2910.1 – 2914.51 lbs.) |
| Trunk (boot) space | 422 l (14.9 cu. ft.) |
| Fuel tank capacity | 46 l (12.15 US gal | 10.12 UK gal) |
| Length | 4416 mm (173.86 in.) |
| Width | 1735 mm (68.31 in.) |
| Height | 1516 mm (59.69 in.) |
| Wheelbase | 2525 mm (99.41 in.) |
| Front track | 1509 mm (59.41 in.) |
| Rear track | 1509 mm (59.41 in.) |
| Drag coefficient (Cd) | 0.33 |
| Minimum turning circle | 10.5 m (34.45 ft.) |
| Drivetrain Architecture | Front wheel drive, Internal Combustion engine |
| Number of gears | 6 |
| Gearbox type | Automatic transmission |
| Front suspension | Independent, McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric |
| Tires size | 195/65 R15; 205/50 R16 |
| Wheel rims size | 15; 16 |
Powertrain & Engine Architecture
The heart of the 2016 Chevrolet Sonic 1.4 Ecotec Automatic is the LUW engine, a 1.4-liter turbocharged inline-four cylinder gasoline engine. This engine utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain, contributing to its relatively efficient operation. The turbocharger, coupled with an intercooler, helps to boost power output despite the engine’s small displacement. The engine produces 138 horsepower at 4900 rpm and 200 Nm (147.51 lb-ft) of torque at 1850 rpm. This torque peak, relatively low in the rev range, is a key characteristic of turbocharged engines and contributes to decent everyday drivability. The engine is paired with a six-speed automatic transmission, designed to provide smooth shifts and optimize fuel economy. This transmission features electronically controlled shifting and adaptive learning capabilities.
Driving Characteristics
The 1.4L turbo with the six-speed automatic delivers a noticeably different driving experience compared to the base 1.8L Sonic. While not a sports car, the turbocharger provides a respectable amount of acceleration, particularly in the lower and mid-range. The automatic transmission is generally smooth, although it can sometimes feel hesitant during quick downshifts. The gear ratios are tuned for fuel efficiency, meaning the engine doesn’t always feel as responsive as the manual transmission variants. Compared to the 1.8L, the 1.4T Automatic offers a more refined and capable driving experience, especially when merging onto highways or overtaking other vehicles. However, the manual transmission versions of the 1.4T offer even more spirited performance.
Equipment & Trim Levels
The 1.4 Ecotec Automatic trim typically included standard features such as air conditioning, power windows and locks, a Chevrolet MyLink infotainment system with a 7-inch touchscreen, Bluetooth connectivity, and a rearview camera. Higher trim levels, such as the LT and Premier, added features like heated front seats, a sunroof, upgraded audio systems, and additional safety technologies. Interior upholstery was typically cloth, with options for leatherette available on higher trims. Exterior features included alloy wheels, body-color door handles and mirrors, and available features like fog lamps.
Chassis & Braking
The Chevrolet Sonic utilizes a McPherson strut front suspension and a semi-independent coil spring rear suspension. This setup provides a reasonable balance between ride comfort and handling. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are drums, a cost-saving measure common in this segment. All Sonic models are equipped with an Anti-lock Braking System (ABS) as standard. The electric power steering provides light and easy steering feel, making it well-suited for city driving. Stabilizer bars are included on both axles to reduce body roll during cornering.
Market Reception & Comparison
The 2016 Chevrolet Sonic 1.4 Ecotec Automatic received mixed reviews. Critics generally praised its fuel economy and the added performance of the turbocharged engine compared to the base 1.8L. However, some reviewers noted the somewhat hesitant behavior of the automatic transmission and the relatively basic interior materials. Compared to competitors like the Honda Fit and Ford Fiesta, the Sonic offered a more spacious interior but lacked the overall refinement and driving dynamics of those vehicles. Fuel economy figures were competitive, averaging around 27 mpg in the city and 35 mpg on the highway. Reliability reports were average, with some owners reporting issues with the turbocharger and automatic transmission.
Legacy
The Chevrolet Sonic was discontinued in North America after the 2020 model year. The 1.4L Ecotec engine, while generally reliable, can require maintenance related to the turbocharger and fuel system as it ages. On the used car market, the 2016 Sonic 1.4 Ecotec Automatic represents an affordable option for buyers seeking a fuel-efficient and relatively well-equipped subcompact sedan. However, potential buyers should be aware of the potential for maintenance issues and carefully inspect the vehicle’s history before purchasing. The Sonic, despite its eventual discontinuation, played a role in Chevrolet’s efforts to compete in the increasingly popular subcompact car segment.
