The Subaru Legacy IV Station Wagon 3.0R spec.B, produced between 2004 and 2006, represented the pinnacle of performance and practicality within the fourth-generation Legacy lineup (2003-2009). Positioned as the flagship trim for the wagon body style, the 3.0R spec.B combined a potent 3.0-liter boxer engine with a sophisticated all-wheel-drive system and, in this configuration, a six-speed automatic transmission. This variant aimed to deliver a refined driving experience with enhanced performance capabilities, appealing to buyers seeking a versatile vehicle capable of both daily commuting and spirited driving. It was primarily sold in markets like North America, Australia, and Europe, where the Legacy wagon enjoyed considerable popularity.
Technical Specifications
| Brand | Subaru |
| Model | Legacy |
| Generation | Legacy IV Station Wagon |
| Type | 3.0R spec.B (245 Hp) AWD Automatic |
| Start of production | 2004 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 18 l/100 km (13.1 US mpg, 15.7 UK mpg, 5.6 km/l) |
| Fuel consumption (extra urban) | 8.9 l/100 km (26.4 US mpg, 31.7 UK mpg, 11.2 km/l) |
| Fuel consumption (combined) | 12.3 l/100 km (19.1 US mpg, 23 UK mpg, 8.1 km/l) |
| CO2 emissions | 290 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7 sec |
| Acceleration 0 – 62 mph | 7 sec |
| Acceleration 0 – 60 mph | 6.7 sec |
| Maximum speed | 233 km/h (144.78 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 6.6 kg/Hp, 152.2 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 184.5 Nm/tonne |
| Power | 245 Hp @ 6600 rpm |
| Power per litre | 81.7 Hp/l |
| Torque | 297 Nm @ 4200 rpm (219.06 lb.-ft. @ 4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EZ30D |
| Engine displacement | 2999 cm3 (183.01 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Cylinder Bore | 89.2 mm (3.51 in.) |
| Piston Stroke | 80 mm (3.15 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 5.3 l (5.6 US qt | 4.66 UK qt) |
| Coolant | 7.9 l (8.35 US qt | 6.95 UK qt) |
| Kerb Weight | 1610 kg (3549.44 lbs.) |
| Max. weight | 2050 kg (4519.48 lbs.) |
| Max load | 440 kg (970.03 lbs.) |
| Trunk (boot) space – minimum | 429 l (15.15 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) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4720 mm (185.83 in.) |
| Width | 1730 mm (68.11 in.) |
| Height | 1470 mm (57.87 in.) |
| Wheelbase | 2670 mm (105.12 in.) |
| Front track | 1495 mm (58.86 in.) |
| Rear (Back) track | 1490 mm (58.66 in.) |
| Ride height (ground clearance) | 155 mm (6.1 in.) |
| Minimum turning circle | 10.8 m (35.43 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Spring Strut |
| Rear suspension | Wishbone |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 215/45 R17 |
| Wheel rims size | 17 |
Powertrain & Engine Architecture
The heart of the 3.0R spec.B is the EZ30D 3.0-liter horizontally-opposed (boxer) six-cylinder engine. This engine, a hallmark of Subaru engineering, features a 10.7:1 compression ratio and utilizes multi-port fuel injection. The boxer configuration, with its horizontally opposed pistons, contributes to a lower center of gravity, enhancing handling and stability. The EZ30D produces 245 horsepower at 6,600 rpm and 297 Nm (219 lb-ft) of torque at 4,200 rpm. Paired with this engine is a six-speed automatic transmission, offering smooth and responsive shifts. This transmission was specifically tuned for the 3.0R spec.B to optimize performance and provide a more engaging driving experience compared to earlier four-speed automatics found in some Legacy models. The automatic transmission features adaptive learning, adjusting shift points based on driving style.
Driving Characteristics
The 3.0R spec.B with the automatic transmission delivers a blend of performance and comfort. While not as overtly sporty as the six-speed manual version, the automatic provides effortless acceleration and smooth cruising. The all-wheel-drive system, a Subaru staple, ensures excellent traction in various weather conditions. The automatic transmission’s gear ratios are optimized for both acceleration and fuel efficiency, though fuel economy remains a weak point for this engine. The 0-60 mph time of around 6.7 seconds is respectable for a wagon of this size and weight. The automatic transmission does slightly diminish the sense of control compared to the manual, but it makes the car more accessible to a wider range of drivers.
Equipment & Trim Levels
The “spec.B” designation signifies a higher level of equipment and refinement. Standard features included leather upholstery, power-adjustable front seats, a premium audio system, automatic climate control, and alloy wheels. The spec.B also featured unique exterior styling cues, such as a sportier front bumper and rear spoiler. Optional extras included a sunroof, navigation system, and upgraded sound system. Interior trim was typically dark grey or black, with a focus on providing a comfortable and upscale environment.
Chassis & Braking
The Legacy IV Station Wagon 3.0R spec.B features a MacPherson strut front suspension and a double-wishbone rear suspension, providing a comfortable ride and responsive handling. The chassis was reinforced compared to lower trims to handle the increased power and torque. Braking duties are handled by ventilated discs at the front and solid discs at the rear, equipped with an Anti-lock Braking System (ABS). The suspension was tuned to balance comfort and handling, offering a stable and predictable driving experience.
Market Reception & Comparison
The 3.0R spec.B was generally well-received by automotive critics, who praised its powerful engine, all-wheel-drive system, and comfortable interior. However, its fuel economy was often criticized. Compared to the 2.5i models, the 3.0R spec.B offered significantly more performance but at a higher price point and with increased running costs. Against competitors like the Volvo V70 and Audi A6 Avant, the Legacy offered a unique combination of performance, practicality, and value. The automatic transmission was seen as a good compromise for drivers who preferred convenience over ultimate control.
Legacy
The EZ30D engine, while robust, is known to require regular maintenance, particularly regarding oil changes and timing belt replacements. The automatic transmission, if properly maintained, is generally reliable. Today, the Legacy IV Station Wagon 3.0R spec.B is considered a desirable used car, particularly among Subaru enthusiasts. Well-maintained examples command a premium price due to their performance and rarity. The car’s blend of practicality, performance, and all-weather capability continues to appeal to buyers seeking a versatile and engaging wagon.
