The Subaru Outback III (BL, BP) 2.5i, produced between 2007 and 2009, represented a significant evolution of Subaru’s popular crossover wagon. Positioned as a mid-range offering within the third-generation Outback lineup – which spanned from 2004 to 2009 – the 2.5i combined a naturally aspirated 2.5-liter boxer engine with a four-speed automatic transmission and Subaru’s symmetrical all-wheel drive system. This configuration aimed to provide a balance of practicality, comfort, and all-weather capability, appealing to families and drivers seeking a versatile vehicle. The BL/BP generation Outback was a key model for Subaru in the North American market, building on the success of previous generations and solidifying the brand’s reputation for reliability and outdoor-focused engineering.
Technical Specifications
| Brand | Subaru |
| Model | Outback |
| Generation | Outback III (BL, BP) |
| Type (Engine) | 2.5i (173 Hp) AWD Automatic |
| Start of production | 2007 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 11.7 l/100 km (20.1 US mpg, 24.1 UK mpg, 8.5 km/l) |
| Fuel consumption (economy) – extra urban | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (economy) – combined | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.9 sec |
| Acceleration 0 – 62 mph | 10.9 sec |
| Acceleration 0 – 60 mph | 10.4 sec |
| Maximum speed | 199 km/h (123.65 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 8.6 kg/Hp, 116.5 Hp/tonne |
| Weight-to-torque ratio | 6.5 kg/Nm, 154.2 Nm/tonne |
| Power | 173 Hp @ 6000 rpm |
| Power per litre | 70.4 Hp/l |
| Torque | 229 Nm @ 4400 rpm (168.9 lb.-ft. @ 4400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EJ253 |
| Engine displacement | 2457 cm3 (149.94 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Boxer |
| Cylinder Bore | 99.5 mm (3.92 in.) |
| Piston Stroke | 79 mm (3.11 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.2 l (4.44 US qt | 3.7 UK qt) |
| Coolant | 6.4 l (6.76 US qt | 5.63 UK qt) |
| Kerb Weight | 1485 kg (3273.86 lbs.) |
| Trunk (boot) space – minimum | 459 l (16.21 cu. ft.) |
| Trunk (boot) space – maximum | 1649 l (58.23 cu. ft.) |
| Fuel tank capacity | 64 l (16.91 US gal | 14.08 UK gal) |
| Length | 4730 mm (186.22 in.) |
| Width | 1770 mm (69.69 in.) |
| Height | 1545 mm (60.83 in.) |
| Wheelbase | 2670 mm (105.12 in.) |
| Front track | 1495 mm (58.86 in.) |
| Rear (Back) track | 1485 mm (58.46 in.) |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 215/55 R17 |
Powertrain & Engine Architecture
The heart of the 2.5i Outback was the EJ253 engine, a 2.5-liter horizontally opposed (boxer) four-cylinder. This engine was a staple of Subaru’s lineup for many years, known for its relatively smooth operation and inherent balance due to the opposing piston design. The EJ253 featured a single overhead camshaft (SOHC) per cylinder bank, operating four valves per cylinder. Fuel delivery was handled by a multi-point fuel injection system. The engine produced 173 horsepower at 6000 rpm and 229 Nm (168.9 lb-ft) of torque at 4400 rpm. Paired with this engine was a four-speed automatic transmission, designed for smooth and comfortable shifts. While not offering the sportiness of a manual transmission, the automatic was well-suited to the Outback’s intended role as a practical and easy-to-drive vehicle. The transmission was electronically controlled, adapting shift points based on throttle input and driving conditions.
Driving Characteristics
The 2.5i Automatic Outback offered a comfortable and predictable driving experience. Acceleration was adequate for everyday driving, with a 0-60 mph time of around 10.4 seconds. However, it wasn’t particularly quick, especially when compared to the turbocharged models available in the Outback range. The four-speed automatic transmission, while smooth, lacked the responsiveness and efficiency of more modern transmissions with a greater number of gears. The symmetrical all-wheel drive system provided excellent traction in various weather conditions, making the Outback a confident performer on slippery roads. The suspension was tuned for comfort, absorbing bumps and providing a stable ride. The steering was light and easy, but lacked significant feedback.
Equipment & Trim Levels
The 2.5i trim typically included standard features such as air conditioning, power windows and locks, a CD player with auxiliary input, and keyless entry. Safety features were a strong point, with standard ABS brakes, front and side airbags, and a robust body structure. Optional extras included a sunroof, leather upholstery, heated front seats, and a premium audio system. The interior was generally well-appointed, with durable materials and a functional layout. The Outback’s spacious interior and large cargo area made it a practical choice for families and those needing to transport gear.
Chassis & Braking
The Outback III utilized a unibody construction with a MacPherson strut front suspension and a double-wishbone rear suspension. This setup provided a good balance of ride comfort and handling. The 2.5i models were equipped with ventilated disc brakes at the front and solid disc brakes at the rear. The ABS system helped to maintain steering control during hard braking. The Outback’s relatively high ground clearance (8.7 inches) allowed it to tackle moderate off-road terrain.
Market Reception & Comparison
The 2.5i Automatic Outback was generally well-received by critics as a practical and reliable crossover wagon. It was praised for its spacious interior, comfortable ride, and all-weather capability. However, some reviewers noted that the engine lacked power and the four-speed automatic transmission felt dated compared to competitors. Compared to the turbocharged 2.5 XT model, the 2.5i offered significantly less performance but better fuel economy. The 2.5i was also more affordable than the XT, making it an attractive option for budget-conscious buyers. Against competitors like the Honda CR-V and Toyota RAV4, the Outback 2.5i offered a unique combination of standard all-wheel drive and a spacious interior.
Legacy
The EJ253 engine, while generally reliable, is known to be susceptible to head gasket failures, particularly in earlier iterations. Regular maintenance, including timely coolant changes, is crucial to prevent this issue. The four-speed automatic transmission is also relatively durable, but may exhibit some wear and tear over time. Today, the 2007-2009 Subaru Outback 2.5i remains a popular choice in the used car market, prized for its practicality, reliability, and affordability. It continues to be a viable option for those seeking a capable and versatile crossover wagon, particularly in regions with inclement weather.
