The Mazda 3 III Hatchback, specifically the facelift model introduced in 2017, represented a significant evolution of Mazda’s popular compact car. The 1.5 SkyActiv-G variant, producing 100 horsepower, was offered between 2017 and 2018 and served as an entry point into the third-generation Mazda 3 lineup (BM platform). This model aimed to balance fuel efficiency with everyday usability, targeting buyers seeking a practical and reliable hatchback. It was positioned below the more powerful 2.0-liter SkyActiv-G options and the diesel variants in terms of performance and price.
Technical Specifications
| Brand | Mazda |
| Model | 3 |
| Generation | 3 III Hatchback (BM, facelift 2017) |
| Type (Engine) | 1.5 SkyActiv-G (100 Hp) |
| Start of production | 2017 |
| End of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 6.5 l/100 km (36.2 US mpg, 43.5 UK mpg, 15.4 km/l) |
| Fuel consumption (extra urban) | 4.3 l/100 km (54.7 US mpg, 65.7 UK mpg, 23.3 km/l) |
| Fuel consumption (combined) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| CO2 emissions | 119 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.6 sec |
| Acceleration 0 – 62 mph | 10.6 sec |
| Acceleration 0 – 60 mph | 10.1 sec |
| Maximum speed | 182 km/h (113.09 mph) |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 11.9 kg/Hp, 84.4 Hp/tonne |
| Weight-to-torque ratio | 7.9 kg/Nm, 126.6 Nm/tonne |
| Power | 100 Hp @ 6000 rpm |
| Power per litre | 66.8 Hp/l |
| Torque | 150 Nm @ 4000 rpm (110.63 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine displacement | 1496 cm3 (91.29 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74.5 mm (2.93 in.) |
| Piston Stroke | 85.8 mm (3.38 in.) |
| Compression ratio | 14:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.2 l (4.44 US qt | 3.7 UK qt) |
| Coolant | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Kerb Weight | 1185-1271 kg (2612.48 – 2802.08 lbs.) |
| Max. weight | 1800 kg (3968.32 lbs.) |
| Max load | 529-615 kg (1166.25 – 1355.84 lbs.) |
| Trunk (boot) space – minimum | 364 l (12.85 cu. ft.) |
| Trunk (boot) space – maximum | 1263 l (44.6 cu. ft.) |
| Fuel tank capacity | 51 l (13.47 US gal | 11.22 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load with brakes (12%) | 950 kg (2094.39 lbs.) |
| Permitted trailer load without brakes | 600 kg (1322.77 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4470 mm (175.98 in.) |
| Width | 1795 mm (70.67 in.) |
| Width including mirrors | 2053 mm (80.83 in.) |
| Height | 1465 mm (57.68 in.) |
| Wheelbase | 2700 mm (106.3 in.) |
| Ride height (ground clearance) | 155 mm (6.1 in.) |
| Minimum turning circle | 10.6 m (34.78 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, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| 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
The heart of this Mazda 3 variant is the 1.5-liter SkyActiv-G inline-four cylinder engine. This engine, designated as a PE-VPS, is a key component of Mazda’s SkyActiv technology suite, designed to maximize efficiency. It features a high compression ratio of 14:1, achieved through careful engineering and precise combustion control. Direct injection is employed to deliver fuel directly into the cylinders, improving combustion efficiency and reducing knocking. The engine utilizes a dual-overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for increased power output. The 100 horsepower and 150 Nm (110 lb-ft) of torque are delivered at 6000 rpm and 4000 rpm respectively. The engine is transversely mounted in the front of the vehicle, driving the front wheels. The transmission is a six-speed manual gearbox, chosen for its efficiency and driver engagement.
Driving Characteristics
The 1.5-liter engine, paired with the six-speed manual transmission, provides adequate performance for everyday driving. Acceleration from 0 to 60 mph takes approximately 10.1 seconds, and the top speed is 113 mph. While not particularly sporty, the engine offers a linear power delivery, making it easy to modulate. The gear ratios are well-chosen to keep the engine within its optimal power band during normal driving conditions. Compared to the more powerful 2.0-liter SkyActiv-G variants, this engine feels less responsive, especially during overtaking maneuvers. However, it offers a more fuel-efficient driving experience. The manual transmission provides a more engaging driving experience than an automatic, allowing for greater control over the engine’s power.
Equipment & Trim Levels
The 1.5 SkyActiv-G typically came equipped as a base or mid-range trim level. Standard features generally included air conditioning, power windows, power mirrors, a basic audio system with USB connectivity, and stability control. Higher trim levels added features such as alloy wheels, a touchscreen infotainment system, rear parking sensors, and automatic climate control. Interior upholstery was typically cloth, with options for upgraded materials on higher trims. Safety features included multiple airbags, ABS, and electronic brakeforce distribution (EBD).
Chassis & Braking
The Mazda 3 III Hatchback utilizes an independent suspension system on both the front and rear axles. The front suspension employs a McPherson strut design with coil springs and an anti-roll bar, while the rear suspension features a multi-link setup. This configuration provides a good balance between ride comfort and handling. The braking system consists of ventilated discs on the front wheels and solid discs on the rear wheels. ABS (Anti-lock Braking System) is standard, enhancing braking performance and stability. The steering is a rack-and-pinion system with electric power assistance, providing precise and responsive steering feel.
Market Reception & Comparison
The 1.5 SkyActiv-G variant was generally well-received by critics for its fuel efficiency and affordability. It was seen as a practical choice for buyers prioritizing economy over performance. Compared to the 2.0-liter SkyActiv-G models, it offered lower running costs but lacked the same level of driving excitement. The diesel variants provided even better fuel economy but came with a higher purchase price and potential maintenance concerns. Fuel economy figures of around 46.1 US mpg combined were competitive for its class. Reliability was generally good, consistent with Mazda’s reputation for building durable vehicles.
Legacy
The 1.5 SkyActiv-G engine proved to be a reliable and durable powertrain. In the used car market, these models are often sought after by buyers looking for an affordable and fuel-efficient hatchback. While not the most powerful or feature-rich variant, it offers a good balance of practicality, reliability, and economy. The SkyActiv technology introduced with this engine generation helped establish Mazda as a leader in fuel efficiency and engine technology. Maintenance costs are generally reasonable, and parts availability remains good. The 1.5L engine is known for its longevity, provided it receives regular servicing.
