The Mazda 3 IV Sedan 2.5 e-Skyactiv G (140 Hp) Skyactiv-Drive, introduced in June 2024, represents Mazda’s continued refinement of the fourth-generation (BP) Mazda 3. This variant is positioned as a fuel-efficient and technologically advanced option within the sedan lineup, leveraging Mazda’s Skyactiv technology and a mild-hybrid system. It builds upon the success of the BP platform, first launched in 2019, offering a balance between performance, economy, and comfort for the North American and global markets. The “e-Skyactiv G” designation signifies the inclusion of Mazda’s mild-hybrid system, aimed at improving fuel efficiency and reducing emissions.
Technical Specifications
| Brand | Mazda |
| Model | 3 |
| Generation | IV Sedan |
| Type (Engine) | 2.5 e-Skyactiv G (140 Hp) Skyactiv-Drive |
| Start of production | June, 2024 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 5.9-6.1 l/100 km (39.9 – 38.6 US mpg) |
| CO2 emissions (WLTP) | 134-138 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9.8 sec |
| Acceleration 0 – 62 mph | 9.8 sec |
| Acceleration 0 – 60 mph | 9.3 sec |
| Maximum speed | 203 km/h (126.14 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 9.8 kg/Hp |
| Weight-to-torque ratio | 5.8 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 | 1376-1416 kg (3033.56 – 3121.75 lbs.) |
| Max. weight | 1932 kg (4259.33 lbs.) |
| Max load | 516-556 kg (1137.59 – 1225.77 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 drive front wheels (MHEV) |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic 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 is the PY engine, a 2.5-liter inline-four cylinder gasoline engine. This engine utilizes Mazda’s Skyactiv technology, which focuses on maximizing combustion efficiency through high compression ratios (13:1 in this case) and precise fuel injection. The direct injection system ensures a fine atomization of fuel, contributing to cleaner combustion and improved power delivery. The engine is paired with a 6-speed Skyactiv-Drive automatic transmission, designed for smooth and responsive shifting. The mild-hybrid system incorporates a 24V electrical system and an integrated starter generator (ISG) that assists the engine during acceleration and enables the start-stop system to operate more seamlessly. This system doesn’t provide full electric drive capability but significantly reduces fuel consumption and emissions.
Driving Characteristics
The 140 hp and 175 lb-ft of torque produced by this powertrain configuration delivers adequate performance for everyday driving. Acceleration from 0-60 mph takes approximately 9.3 seconds, and the car has a top speed of 126 mph. The Skyactiv-Drive automatic transmission is tuned for efficiency, with gear ratios optimized for fuel economy. While not as sporty as the manual transmission or higher-output 2.5-liter turbo variants, the automatic provides a comfortable and refined driving experience. The mild-hybrid system provides a subtle boost during initial acceleration, improving responsiveness from a standstill. The overall driving experience is characterized by Mazda’s focus on driver engagement, with precise steering and well-controlled body roll.
Equipment & Trim Levels
The 2.5 e-Skyactiv G trim typically includes standard features such as Mazda’s infotainment system with an 8.8-inch display, Apple CarPlay and Android Auto integration, LED headlights, and a suite of advanced safety features including adaptive cruise control, lane departure warning, and automatic emergency braking. Interior upholstery is typically cloth, with available upgrades to leatherette or leather depending on the package. Optional extras often include a premium audio system, sunroof, and heated front seats. Trim levels vary by market, but this engine is generally offered in mid-range trims, providing a balance of features and affordability.
Chassis & Braking
The Mazda 3 IV Sedan utilizes a front-wheel-drive platform with an independent McPherson strut suspension in the front and a torsion beam suspension in the rear. This setup provides a good balance between ride comfort and handling. The braking system consists of disc brakes on all four wheels, providing adequate stopping power. ABS (Anti-lock Braking System) is standard, along with electronic brake-force distribution and brake assist. The chassis is designed to minimize weight and maximize rigidity, contributing to improved handling and safety.
Market Reception & Comparison
The Mazda 3 2.5 e-Skyactiv G (140 Hp) Skyactiv-Drive has been well-received by critics for its fuel efficiency and refined driving experience. Compared to the higher-output 2.5-liter turbo variants, this engine offers lower running costs but sacrifices some performance. It provides a more economical alternative to the diesel engines previously offered in some markets. Fuel economy is rated at 39.9-38.6 US mpg, making it a competitive option in its class. Reliability is generally considered to be good, consistent with Mazda’s reputation for building durable vehicles.
Legacy
The PY engine and Skyactiv-Drive transmission represent a significant step forward in Mazda’s efforts to improve fuel efficiency and reduce emissions. The mild-hybrid system, while not a full hybrid, demonstrates Mazda’s commitment to electrification. This powertrain configuration is expected to remain reliable for many years, and the Mazda 3 IV Sedan is likely to hold its value well in the used car market. As automotive technology continues to evolve, the 2.5 e-Skyactiv G will be remembered as a transitional powertrain that bridged the gap between traditional gasoline engines and more advanced hybrid systems.
