The Subaru Legacy V (facelift, 2012-2014) 2.5i, producing 173 horsepower, represents a mid-cycle refresh of the fifth-generation Legacy (BM/BR chassis). Introduced as a significant update to the model line, this variant aimed to balance fuel efficiency with Subaru’s renowned symmetrical all-wheel drive system. Positioned as a mainstream offering within the Legacy range, the 2.5i served as a popular choice for families and commuters seeking a practical and reliable sedan. This facelift brought revised styling, improved interior materials, and enhancements to the infotainment system, solidifying the Legacy’s position in the competitive mid-size sedan segment.
Technical Specifications
| Brand | Subaru |
| Model | Legacy |
| Generation | Legacy V (facelift 2012) |
| Type | 2.5i (173 Hp) AWD |
| Start of production | 2012 |
| End of production | 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel consumption (extra urban) | 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l) |
| Fuel consumption (combined) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.7 kg/Hp, 115 Hp/tonne |
| Weight-to-torque ratio | 6.6 kg/Nm, 152.3 Nm/tonne |
| Power | 173 Hp @ 5600 rpm |
| Power per litre | 70.4 Hp/l |
| Torque | 229 Nm @ 4000 rpm (168.9 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | FB25 |
| 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 | 4.8 l (5.07 US qt | 4.22 UK qt) |
| Coolant capacity | 7.6 l (8.03 US qt | 6.69 UK qt) |
| Kerb Weight | 1504 kg (3315.75 lbs.) |
| Trunk (boot) space (minimum) | 416 l (14.69 cu. ft.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4745 mm (186.81 in.) |
| Width | 1821 mm (71.69 in.) |
| Height | 1506 mm (59.29 in.) |
| Wheelbase | 2751 mm (108.31 in.) |
| Front track | 1565 mm (61.61 in.) |
| Rear track | 1575 mm (62.01 in.) |
| Minimum turning circle | 11.2 m (36.75 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 6 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Double wishbone |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 205/60 R16 91; 215/50 R17 90V |
| Wheel rims size | 6.5J x 16; 7.0J x 17 |
Powertrain & Engine Architecture
The heart of the 2012-2014 Subaru Legacy 2.5i is the FB25 2.5-liter horizontally-opposed (boxer) four-cylinder engine. This engine, a hallmark of Subaru engineering, is known for its smooth operation and inherent balance due to the opposing piston design. The FB25 utilizes multi-point fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. This configuration contributes to a relatively broad torque curve, making the engine responsive in everyday driving situations. The engine produces 173 horsepower at 5,600 rpm and 168.9 lb-ft of torque at 4,000 rpm. The six-speed manual transmission offered with this variant features well-spaced gear ratios designed to maximize fuel efficiency and provide adequate acceleration.
Driving Characteristics
The 2.5i with the manual transmission delivers a competent, if not particularly exhilarating, driving experience. Acceleration is adequate for merging onto highways and passing slower traffic, but it doesn’t offer the briskness of the more powerful 3.6R models. The symmetrical all-wheel drive system provides excellent traction in various weather conditions, a key selling point for Subaru. The manual gearbox is light and precise, enhancing driver engagement. Compared to the optional continuously variable transmission (CVT), the manual offers a more direct connection to the engine and a more traditional driving feel. The gear ratios are tuned for fuel economy, meaning the engine can feel slightly strained when pushed hard.
Equipment & Trim Levels
The 2.5i trim level typically included standard features such as air conditioning, power windows and locks, a basic audio system with auxiliary input, and keyless entry. Higher sub-trims offered options like a sunroof, upgraded audio systems (often including Bluetooth connectivity), leather upholstery, and heated front seats. Safety features were a priority, with standard inclusion of anti-lock brakes (ABS), electronic brake-force distribution, and a suite of airbags. The interior design was functional and straightforward, prioritizing practicality over luxury. Upholstery was typically cloth, with optional leather available on higher-spec models.
Chassis & Braking
The Legacy 2.5i utilizes a McPherson strut front suspension and a double-wishbone rear suspension. This setup provides a comfortable ride quality, absorbing bumps and imperfections in the road effectively. The all-wheel drive system adds to the vehicle’s stability and handling prowess. Braking duties are handled by ventilated discs at the front and solid discs at the rear. ABS is standard, providing enhanced stopping power and control during emergency braking situations. The chassis is designed to balance ride comfort with handling stability, making it a suitable platform for both daily commuting and longer road trips.
Market Reception & Comparison
The 2012-2014 Subaru Legacy 2.5i was generally well-received by automotive critics. It was praised for its standard all-wheel drive, comfortable ride, and reputation for reliability. However, some reviewers noted that the engine lacked the refinement and power of some competitors, and the interior design was considered somewhat dated. Compared to other mid-size sedans like the Toyota Camry or Honda Accord, the Legacy offered a unique combination of features and capabilities, particularly its standard AWD. Fuel economy was competitive, but not class-leading. The manual transmission version was favored by enthusiasts for its more engaging driving experience.
Legacy
The FB25 engine, found in the 2.5i, has proven to be a relatively reliable powertrain. While some early FB series engines experienced issues with oil consumption, these were largely addressed in later revisions. The Legacy 2.5i remains a popular choice in the used car market due to its affordability, practicality, and Subaru’s reputation for durability. Maintenance costs are generally reasonable, and parts availability is good. The symmetrical all-wheel drive system continues to be a significant draw for buyers in regions with inclement weather. Overall, the 2012-2014 Subaru Legacy 2.5i represents a solid and dependable mid-size sedan that offers a unique blend of features and capabilities.


