The MG3 III 1.5, launched in March 2025, represents the latest iteration of MG’s popular subcompact hatchback. Positioned as a mainstream offering within the MG3 range, the 1.5-liter variant with 116 horsepower serves as a core model, bridging the gap between more basic trims and potentially higher-performance options. This generation, built on an updated platform, aims to deliver a blend of affordability, practicality, and modern features to the competitive B-segment market, primarily targeting younger drivers and urban commuters. The MG3 has become a significant model for MG, helping to re-establish the brand in several key global markets.
Technical Specifications
| Brand | MG |
| Model | MG3 |
| Generation | MG3 III |
| Type (Engine) | 1.5 (116 Hp) |
| Start of production | March, 2025 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption at Low speed (WLTP) | 7.9 l/100 km (29.8 US mpg, 35.8 UK mpg, 12.7 km/l) |
| Fuel consumption at Medium speed (WLTP) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption at high speed (WLTP) | 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l) |
| Fuel consumption at very high speed (WLTP) | 6.3 l/100 km (37.3 US mpg, 44.8 UK mpg, 15.9 km/l) |
| Combined fuel consumption (WLTP) | 6.1 l/100 km (38.6 US mpg, 46.3 UK mpg, 16.4 km/l) |
| CO2 emissions (WLTP) | 137 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.8 sec |
| Acceleration 0 – 62 mph | 10.8 sec |
| Acceleration 0 – 60 mph | 10.3 sec |
| Maximum speed | 185 km/h (114.95 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 10 kg/Hp, 99.8 Hp/tonne |
| Weight-to-torque ratio | 7.9 kg/Nm, 127.4 Nm/tonne |
| Power | 116 Hp |
| Power per litre | 77.9 Hp/l |
| Torque | 148 Nm (109.16 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine displacement | 1490 cm3 (90.93 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine systems | Start & Stop System, Particulate filter |
| Kerb Weight | 1162 kg (2561.77 lbs.) |
| Max. weight | 1610 kg (3549.44 lbs.) |
| Max load | 448 kg (987.67 lbs.) |
| Trunk (boot) space – minimum | 293 l (10.35 cu. ft.) |
| Trunk (boot) space – maximum | 983 l (34.71 cu. ft.) |
| Length | 4113 mm (161.93 in.) |
| Width | 1797 mm (70.75 in.) |
| Width including mirrors | 2014 mm (79.29 in.) |
| Height | 1502 mm (59.13 in.) |
| Wheelbase | 2570 mm (101.18 in.) |
| Front track | 1510 mm (59.45 in.) |
| Rear (Back) track | 1520 mm (59.84 in.) |
| 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 |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The MG3 III 1.5 utilizes a 1.5-liter inline-four cylinder naturally aspirated gasoline engine. This engine, while not employing forced induction, is designed for efficiency and responsiveness in everyday driving conditions. The engine code is likely to be a derivative of MG’s current engine family, incorporating multi-point fuel injection for precise fuel delivery. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for improved power output. A key feature is the inclusion of a Start & Stop system, contributing to reduced fuel consumption in urban environments, and a particulate filter to meet stringent Euro 6e emission standards. The engine is transversely mounted at the front of the vehicle, driving the front wheels. The five-speed manual transmission is chosen for its simplicity and cost-effectiveness, providing a direct connection between the engine and the wheels.
Driving Characteristics
The 116 horsepower and 148 Nm (109 lb-ft) of torque delivered by the 1.5-liter engine provide adequate performance for typical urban and highway driving. Acceleration from 0-60 mph takes approximately 10.3 seconds, and the car reaches a top speed of 185 km/h (115 mph). While not a performance-oriented variant, the engine offers a linear power delivery, making it predictable and easy to control. The five-speed manual transmission is well-matched to the engine’s characteristics, offering reasonable gear spacing for both fuel efficiency and acceleration. Compared to potential higher-output versions (if offered), this variant prioritizes fuel economy and affordability over outright speed. The gear ratios are tuned for everyday usability, rather than aggressive performance.
Equipment & Trim Levels
The MG3 III 1.5 typically comes equipped with a standard suite of features designed to appeal to budget-conscious buyers. These generally include air conditioning, power steering, electric front windows, a basic audio system with Bluetooth connectivity, and ABS brakes. Higher trim levels, available as options, may add features such as alloy wheels, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, rear parking sensors, and a reversing camera. Interior upholstery is typically cloth, with a functional and durable design. The dashboard layout is straightforward and user-friendly, prioritizing ease of use over elaborate styling.
Chassis & Braking
The MG3 III utilizes a MacPherson strut front suspension and a torsion beam rear suspension. This configuration provides a good balance between ride comfort and handling. The torsion beam rear suspension is a cost-effective solution commonly found in vehicles of this class. Braking is typically handled by disc brakes on the front wheels and drum brakes on the rear wheels, a configuration chosen to manage costs. Electric power steering provides light and responsive steering feel, making it easy to maneuver in tight spaces. Stabilizer bars are included on both axles to reduce body roll during cornering.
Market Reception & Comparison
The MG3 III 1.5 has generally been well-received as an affordable and practical hatchback. Critics have praised its value for money, spacious interior, and decent fuel economy. However, some have noted that the engine can feel underpowered when fully loaded or on steep inclines. Compared to other vehicles in the B-segment, such as the Volkswagen Polo or the Ford Fiesta, the MG3 offers a more competitive price point, but may lack some of the refinement and advanced features found in its rivals. Fuel economy figures of around 6.1 l/100 km (38.6 US mpg) are competitive within its class. Reliability reports are still emerging for the latest generation, but MG has been steadily improving its quality control in recent years.
Legacy
The MG3 III 1.5 powertrain, while relatively simple in design, is expected to offer reasonable long-term reliability. The naturally aspirated engine is less prone to issues associated with turbocharging, and the manual transmission is known for its durability. As the MG3 continues to gain popularity in the used car market, this variant is likely to become a sought-after option for buyers seeking an affordable and dependable hatchback. Its combination of practicality, fuel efficiency, and low running costs will likely ensure its continued relevance for years to come.
