The Mazda 3 IV Sedan 2.5 e-Skyactiv G (140 Hp) represents a significant iteration in Mazda’s long-running compact car lineage. Introduced in June 2024, this variant is positioned as a mainstream offering within the fourth generation (BP) Mazda 3 sedan range, built on the 1HX platform. It blends Mazda’s signature driving dynamics with a focus on fuel efficiency through the implementation of a mild-hybrid electric vehicle (MHEV) system. This model caters to buyers seeking a balance between performance, economy, and modern features in a stylish package, primarily targeting the North American and European markets.
Technical Specifications
| Brand | Mazda |
| Model | 3 |
| Generation | IV Sedan |
| Type (Engine) | 2.5 e-Skyactiv G (140 Hp) |
| Start of production | June, 2024 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 5.8-5.9 l/100 km (40.6 – 39.9 US mpg) |
| CO2 emissions (WLTP) | 130-133 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.5 sec |
| Acceleration 0 – 62 mph | 9.5 sec |
| Acceleration 0 – 60 mph | 9 sec |
| Maximum speed | 209 km/h (129.87 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 9.6 kg/Hp |
| Weight-to-torque ratio | 5.7 kg/Nm |
| Power | 140 Hp @ 5000 rpm |
| Torque | 238 Nm @ 3300 rpm (175.54 lb.-ft. @ 3300 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | PY |
| Engine displacement | 2488 cm3 (151.83 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 89 mm (3.5 in.) |
| Piston Stroke | 100 mm (3.94 in.) |
| Compression ratio | 13:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine systems | Start & Stop System, Particulate filter |
| Kerb Weight | 1345-1385 kg (2965.22 – 3053.4 lbs.) |
| Max. weight | 1899 kg (4186.58 lbs.) |
| Max load | 514-554 kg (1133.18 – 1221.36 lbs.) |
| Trunk (boot) space – minimum | 450 l (15.89 cu. ft.) |
| Trunk (boot) space – maximum | 1138 l (40.19 cu. ft.) |
| Fuel tank capacity | 51 l (13.47 US gal | 11.22 UK gal) |
| Permitted trailer load with brakes (8%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 600 kg (1322.77 lbs.) |
| Length | 4660 mm (183.46 in.) |
| Width | 1795 mm (70.67 in.) |
| Width including mirrors | 2028 mm (79.84 in.) |
| Height | 1440 mm (56.69 in.) |
| Wheelbase | 2725 mm (107.28 in.) |
| Ride height (ground clearance) | 140 mm (5.51 in.) |
| Minimum turning circle | 10.6 m (34.78 ft.) |
| Drivetrain Architecture | ICE and electric motor, Front wheel drive |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Torsion |
| Front brakes | Disc |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 205/60 R16; 215/45 R18 |
| Wheel rims size | 16; 18 |
Powertrain & Engine Architecture
At the heart of the Mazda 3 2.5 e-Skyactiv G lies the PY engine, a 2.5-liter inline-four cylinder gasoline engine. This engine is a key component of Mazda’s Skyactiv technology, designed to maximize combustion efficiency. It features direct injection, a high compression ratio of 13:1, and optimized intake and exhaust systems. The mild-hybrid system incorporates a 24V integrated starter generator (ISG) that assists the engine during acceleration and enables smoother start-stop functionality, contributing to improved fuel economy. The engine utilizes a conventional timing chain for durability. The six-speed manual transmission is standard, offering precise gear changes and a direct connection to the engine. The transmission is designed to work in harmony with the engine’s torque curve, providing responsive acceleration.
Driving Characteristics
The 140 hp output, coupled with the manual transmission, delivers a balanced driving experience. While not overtly sporty, the Mazda 3 2.5 e-Skyactiv G provides adequate power for everyday driving situations. Acceleration from 0-60 mph takes approximately 9 seconds. The engine’s torque peak of 238 Nm (175.54 lb-ft) at 3300 rpm provides good mid-range responsiveness, making overtaking maneuvers relatively effortless. Compared to higher-output variants, this version prioritizes fuel efficiency over outright performance. The manual gearbox allows for greater driver engagement, while the mild-hybrid system provides a subtle boost during acceleration, enhancing the overall driving feel.
Equipment & Trim Levels
The 2.5 e-Skyactiv G trim typically comes standard with features such as Mazda’s infotainment system with a 8.8-inch display, Apple CarPlay and Android Auto integration, LED headlights, and a suite of safety features including adaptive cruise control, lane departure warning, and automatic emergency braking. Interior upholstery is typically cloth, with options for leatherette or full leather available as upgrades. Higher trim levels may include features like a premium sound system, heated front seats, and a power sunroof. The dashboard layout is clean and modern, with a focus on ergonomics and driver comfort.
Chassis & Braking
The Mazda 3 IV Sedan utilizes a McPherson strut front suspension and a torsion beam rear suspension. This setup provides a good balance between ride comfort and handling precision. The chassis is designed to be lightweight and rigid, contributing to the car’s responsive handling characteristics. Disc brakes are standard on all four wheels, providing ample stopping power. The inclusion of ABS (Anti-lock Braking System) and electronic brake-force distribution further enhances safety. Steering is provided by an electric power steering system, offering precise and responsive control.
Market Reception & Comparison
The Mazda 3 2.5 e-Skyactiv G has been generally well-received by automotive critics, praised for its stylish design, engaging driving dynamics, and fuel efficiency. Compared to other compact sedans in its class, the Mazda 3 stands out for its premium feel and refined interior. The mild-hybrid system contributes to improved fuel economy, making it a competitive option for buyers seeking a more environmentally friendly vehicle. However, some critics have noted that the 140 hp output may feel slightly underpowered for some drivers, particularly when fully loaded or driving uphill.
Legacy
The PY engine, as part of the Skyactiv family, has proven to be a reliable and durable powertrain. While long-term reliability data for the 2024 model is still emerging, previous generations of Skyactiv engines have demonstrated a strong track record. The mild-hybrid system is expected to further enhance the engine’s longevity by reducing stress on the engine during start-stop cycles. In the used car market, the Mazda 3 2.5 e-Skyactiv G is expected to hold its value well, thanks to its reputation for quality, reliability, and driving enjoyment.
