The Subaru Impreza III Hatchback 1.5i, manufactured between 2007 and 2011, served as the entry-level model within Subaru’s third-generation Impreza lineup (GE/GH platform). This variant provided an accessible pathway to Subaru’s renowned symmetrical all-wheel-drive system, appealing to buyers seeking a practical, affordable, and all-weather capable compact hatchback. While lacking the performance focus of the WRX models, the 1.5i catered to a broader audience prioritizing fuel efficiency and everyday usability. It was primarily marketed in regions where inclement weather was common, offering a reliable and secure driving experience.
Technical Specifications
| Brand | Subaru |
| Model | Impreza |
| Generation | Impreza III Hatchback |
| Type (Engine) | 1.5i (110 Hp) AWD |
| Start of production | 2007 |
| End of production | 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.1 sec |
| Acceleration 0 – 62 mph | 10.1 sec |
| Acceleration 0 – 60 mph | 9.6 sec |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 11.2 kg/Hp |
| Power | 110 Hp @ 6400 rpm |
| Torque | 144 Nm @ 3200 rpm (106.21 lb.-ft. @ 3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EJ15 |
| Engine displacement | 1498 cm3 (91.41 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Boxer |
| Cylinder Bore | 77.7 mm (3.06 in.) |
| Piston Stroke | 79 mm (3.11 in.) |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHC |
| Engine oil capacity | 4.2 l (4.44 US qt | 3.7 UK qt) |
| Coolant | 7.4 l (7.82 US qt | 6.51 UK qt) |
| Kerb Weight | 1230 kg (2711.69 lbs.) |
| Trunk (boot) space – maximum | 538 l (19 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4415 mm (173.82 in.) |
| Width | 1740 mm (68.5 in.) |
| Height | 1475 mm (58.07 in.) |
| Wheelbase | 2620 mm (103.15 in.) |
| Front track | 1505 mm (59.25 in.) |
| Rear (Back) track | 1510 mm (59.45 in.) |
| Minimum turning circle | 10.6 m (34.78 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Several levers and rods |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 195/65 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The Impreza 1.5i is powered by the EJ15, a 1.5-liter horizontally-opposed (Boxer) four-cylinder engine. This engine design, a signature of Subaru, is celebrated for its inherent balance and smooth operation. The EJ15 features a single overhead camshaft (OHC) configuration and utilizes multi-point fuel injection for efficient fuel delivery. It produces 110 horsepower at 6,400 rpm and 144 Nm (106 lb-ft) of torque at 3,200 rpm. The longitudinally-mounted engine is coupled with a five-speed manual transmission, channeling power to all four wheels through Subaru’s symmetrical all-wheel-drive system. This system employs a viscous limited-slip center differential, automatically adjusting torque distribution between the front and rear axles based on available traction. The Boxer engine’s low center of gravity contributes to improved handling stability.
Driving Characteristics
The driving experience in the 1.5i is defined by its predictable handling and secure footing, largely due to the all-wheel-drive system. Acceleration is moderate, achieving a 0-60 mph time of approximately 9.6 seconds. The five-speed manual transmission provides a reasonable range of gears, but the engine’s limited torque necessitates frequent downshifts, especially during overtaking maneuvers or when ascending inclines. Compared to the more potent 2.5-liter models, the 1.5i feels noticeably less responsive. However, the all-wheel-drive system delivers exceptional grip in diverse conditions, making it a confident performer in rain, snow, or on unpaved surfaces. The gear ratios are optimized for fuel economy rather than outright performance, prioritizing everyday drivability.
Equipment & Trim Levels
The Impreza 1.5i typically came standard with a relatively basic set of features. These included air conditioning, power windows and door locks, and a standard audio system. Safety features like anti-lock brakes (ABS) were included as standard equipment. Interior upholstery was generally cloth, and the dashboard design was straightforward and functional. Optional extras included alloy wheels, a sunroof, and an upgraded audio system. This trim level was positioned as the entry-level offering, focusing on providing essential features at an affordable price. Higher trim levels, such as the 2.5i, offered more luxurious appointments and additional convenience features.
Chassis & Braking
The Impreza 1.5i utilizes a McPherson strut front suspension and a multi-link rear suspension. This configuration strikes a balance between ride comfort and handling performance. A stabilizer bar is incorporated into the front suspension to minimize body roll during cornering. Braking is provided by ventilated discs at the front and solid discs at the rear. The ABS system prevents wheel lockup during hard braking, enhancing stability and control. The chassis is engineered to provide a combination of rigidity and weight reduction, contributing to the car’s overall handling dynamics.
Market Reception & Comparison
The Impreza 1.5i was generally well-received as an affordable and practical hatchback. Reviewers consistently praised its all-wheel-drive system and its reputation for reliability. However, the engine’s limited power output was a frequent point of criticism. In comparison to the 2.5i models, the 1.5i offered significantly lower performance but boasted improved fuel economy. The 1.5i’s fuel economy, averaging around 30 mpg combined, was a key selling point for budget-conscious buyers. It was often viewed as a sensible choice for those prioritizing practicality and all-weather capability over high performance.
Legacy
The EJ15 engine, while not as celebrated as Subaru’s larger displacement engines, proved to be a reliable and durable powerplant. The Impreza 1.5i has maintained a respectable reputation for reliability in the used car market. Routine maintenance requirements include regular oil changes and timing belt replacements (typically recommended every 105,000 miles). The all-wheel-drive system continues to be a significant attraction for buyers in regions experiencing challenging weather conditions. Today, the Impreza 1.5i represents an affordable entry point into Subaru ownership, offering a blend of practicality, reliability, and all-weather capability. While not a highly sought-after collector’s item, well-maintained examples continue to provide dependable transportation for many owners.
