The Subaru Impreza III Hatchback 1.5i, produced between 2007 and 2011, represented an entry point into the Impreza range for many buyers. Positioned as a more economical and accessible option within the third-generation Impreza (GE/GH platform), this variant combined a 1.5-liter naturally aspirated boxer engine with a four-speed automatic transmission and Subaru’s signature symmetrical all-wheel drive system. It served as a practical and reliable hatchback aimed at customers prioritizing fuel efficiency and all-weather capability over outright performance. This model was primarily sold in markets like Europe, Australia, and New Zealand, where smaller displacement engines were more common and appreciated.
Technical Specifications
| Brand | Subaru |
| Model | Impreza |
| Generation | Impreza III Hatchback |
| Type (Engine) | 1.5i (110 Hp) AWD Automatic |
| 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, 89.4 Hp/tonne |
| Weight-to-torque ratio | 8.5 kg/Nm, 117.1 Nm/tonne |
| Power | 110 Hp @ 6400 rpm |
| Power per litre | 73.4 Hp/l |
| 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 | 4 |
| Gearbox type | automatic 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 heart of the Impreza 1.5i is the EJ15 1.5-liter horizontally-opposed (boxer) four-cylinder engine. This engine, a hallmark of Subaru, was chosen for its compact size and inherent balance, contributing to smoother operation. The EJ15 utilizes a single overhead camshaft (SOHC) design and multi-point fuel injection. While not a high-performance engine, it was known for its reliability and relatively smooth power delivery. The four-speed automatic transmission was a conventional torque converter type, prioritizing comfort and ease of use over sporty responsiveness. It was selected to provide a more relaxed driving experience compared to the available five-speed manual. The transmission’s gear ratios were tuned for fuel efficiency and everyday drivability, rather than rapid acceleration.
Driving Characteristics
The 110 horsepower output and the four-speed automatic transmission resulted in a driving experience focused on practicality. Acceleration from 0-60 mph took around 9.6 seconds, which was adequate for daily commuting but not particularly brisk. The automatic transmission, while smooth, lacked the responsiveness of more modern transmissions or the engagement of a manual gearbox. The all-wheel drive system provided excellent traction in various weather conditions, a key selling point for Subaru. The car felt stable and predictable, even on slippery surfaces. Compared to the more powerful 2.5-liter variants, the 1.5i felt noticeably slower, especially during overtaking maneuvers. However, the lower engine displacement also meant lower fuel consumption.
Equipment & Trim Levels
The Impreza 1.5i typically came with a reasonable level of standard equipment. This included air conditioning, power windows, power locks, and a basic audio system. Interior upholstery was usually cloth, and the dashboard featured a straightforward design. Optional extras could include alloy wheels, a sunroof, and upgraded audio systems. The trim level was generally considered the base model, offering essential features without the luxury appointments found in higher-spec Impreza variants. Safety features like ABS were standard, reflecting Subaru’s commitment to safety.
Chassis & Braking
The Impreza 1.5i utilized a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable ride quality. The suspension was tuned for everyday driving, prioritizing comfort over sporty handling. Brakes consisted of ventilated discs at the front and solid discs at the rear. The braking system was adequate for the car’s weight and performance, but lacked the stopping power of larger brake systems found on higher-performance Impreza models. A stabilizer bar was included at the front to reduce body roll during cornering.
Market Reception & Comparison
The Impreza 1.5i Automatic was generally well-received as a practical and affordable hatchback. Critics praised its all-wheel drive system and fuel efficiency, but noted its lack of outright performance. Compared to the 2.5-liter Impreza models, the 1.5i offered significantly lower running costs but sacrificed acceleration and overall driving excitement. Against competitors like the Honda Civic or Toyota Corolla, the Impreza 1.5i stood out with its standard all-wheel drive, offering a unique advantage in regions with inclement weather. Fuel economy was competitive for its class, averaging around 30-35 mpg in mixed driving conditions.
Legacy
The EJ15 engine, while not as celebrated as Subaru’s larger engines, proved to be a reliable and durable unit. The four-speed automatic transmission, while somewhat dated by modern standards, also demonstrated good longevity. Today, used Impreza 1.5i models are relatively affordable and can be a good option for buyers seeking a practical and reliable hatchback with all-wheel drive. Maintenance costs are generally reasonable, and parts availability is good. However, potential buyers should be aware of the car’s age and ensure that it has been properly maintained. The Impreza 1.5i represents a sensible and understated choice within the Impreza lineage, offering a blend of practicality, reliability, and all-weather capability.
