Japanese Model

On May 23, 2003, Fuji Heavy Industries debuted the fourth generation Legacy B4 Sedan and Touring Wagon for the Japanese Domestic Market. The Legacy was presented the 2003–2004 Japan Car of the Year, Subaru's first win for the award. In Japan, the Legacy was no longer regarded as a "small car" under Japanese vehicle size legislation due to its length over 4.7 meters.

For the home market, the Legacy B4 and Touring Wagon were offered in 2.0i, 2.0R, 2.0GT, 2.0GT spec.B, 3.0R, and 3.0R spec.B trim levels. The base model 2.0i has SOHC version of EJ20 engine producing 140 PS, and the 2.0R comes with 190 PS DOHC engine. The turbocharged EJ20 DOHC engine installed in the 2.0GT and 2.0GT spec.B producing 280 PS. The 3.0R and 3.0R spec.B are powered by the new 250 PS 6 cylinder EZ30 engine.

To commemorate Subaru's 50 years of making automobiles, the 50th Anniversary Legacy was released in January 2004. This special edition model was based on the Legacy 2.0R, and 2.0GT.
The Legacy Blitzen of December 2004 is the special edition based on the 2.0GT B4 and Touring Wagon. These high performance sports models came with special colour bright red, sports suspension, 18 inch alloys, unique grille, and aero-style bumpers.

Based on the Legacy 2.0GT spec.B B4 and Touring Wagon, the WR-Limited 2004 was released in July 2004, and the 2.0GT-based WR-Limited 2005 was launched in August 2005. The WR-Limited models were painted in WR Blue Mica, and came with Gold alloy wheels, front under spoiler, special blue and black seats, and special emblems.

Also added to the Japanese line-up in August 2005 was the Legacy 2.0GT spec.B tuned by STI. This sports model has Bilstein suspension, Brembo brakes, and 18 inch alloy wheels.

Facelift Model

The Japanese Legacy received a cosmetic update in May 2006; Notable changes included new bumpers, headlights, front fenders, grille, and rear combination lamps. This facelift trickled down to export models in 2007, and the American market's 2008 model year.

Although model grades remained largely unchanged, the number of option packages available for certain grades reduced. The base model 2.0i Touring Wagon could also be ordered as the Casual Selection model. Urban Selection models were added to the 2.0R, 2.0GT, and 2.0GT SI-Cruise. The 2.0R was also offered as B-Sports Limited version.

EyeSight (2008–2009)

On 2008-05-08, Subaru announced the EyeSight models for Japanese market. It consists of 2 cameras with one on each side of the rear view mirror, that use human like stereoscopic vision to judge distances and generally keep tabs on the driver. The system can help you keep your distance on the highway, a lane departure warning system, a wake up call should everyone pull away from the lights but you, and even keeps an eye out for pedestrians. SI-Cruise

Autonomous cruise control system

Autonomous cruise control is an optional cruise control system for road vehicles. It makes no use of satellite or roadside infrastructures nor of any cooperative support from other vehicles. Hence control is imposed based on sensor information from on-board sensors only...

 has been integrated into the EyeSight feature as a driver safety aid.

EyeSight models were available for Touring Wagon 2.0GT and 3.0R, B4 3.0R, Outback 3.0R. All EyeSight models include Sportshift E-5AT transmission.

STI S402 (DBA-BL9/DBA-BP9) (2008–2009)

The Legacy STI S402 is a limited edition (402 units) high performance series for the Japanese market. It includes a 2.5L twin scroll turbo engine rated 285 PS at 5600 rpm and 392 newton metre at 2000–4800 rpm, Bilstein shocks, 18x8-inch BBS forged wheels (from S203, S204) with Potenza RE050A 235/40R18 91W tires, Brembo

Brembo

Brembo S.p.A. is a manufacturer of automotive brake systems, especially for high-performance cars and motorcycles. It was established in Bergamo, Italy in 1961. Soon after the company was formed, it specialised in disc brakes, which were exclusively imported from the United Kingdom at the time...

 6-piston front and 2-piston rear brake calipers (from Subaru Impreza type RA-R), Vehicle Dynamic Control stability control. A special serial number plate is added to the center console and engine bay VIN plate.

Variable valve timing was added. ECU was updated to improve acceleration.
S402 was available in sedan and wagon bodies.

American Model

Subaru of America

Subaru of America

Subaru of America, Inc. , based in Cherry Hill, New Jersey, is the United States-based distributor of Subaru's brand vehicles, a subsidiary of Fuji Heavy Industries of Japan...

 commencing production of the Legacy BL and BP in January 2004 for the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and Canadian markets.
Lance Armstrong

Lance Armstrong

Lance Edward Armstrong is an American former professional road racing cyclist who won the Tour de France a record seven consecutive times, after having survived testicular cancer. He is also the founder and chairman of the Lance Armstrong Foundation for cancer research and support...

 was used as a spokesman for both the sedan and wagon, and Sheryl Crow

Sheryl Crow

Sheryl Suzanne Crow is an American singer-songwriter, record producer, musician, and actress. Her music incorporates elements of rock, folk, hip hop, country and pop...

 sang her 1996 hit "Everyday Is a Winding Road

Everyday Is a Winding Road

"Everyday Is a Winding Road" is the second single from American rock star Sheryl Crow's 1996 self-titled album. The song met well with radio and peaked at #11 on the Billboard Hot 100. Neil Finn, lead singer of Crowded House, provides backing vocals. It also peaked at #12 on the UK Singles Chart....

" in USA market commercials.

It marked the return of a turbocharged engine to North American Legacy, featuring a 2.5 liter unit derived from that of the North American Impreza WRX STI. Due to advancements in turbocharger technology and tightening emission standards, the twin-turbo setup was dropped from the lineup. Turbocharged models and the H6 offered Subaru's first 5-speed automatic transmission, featuring SportShift technology licensed from Prodrive, Ltd.

The 2005 model year Legacy for the US market was offered in 2.5i, 2.5i Limited, 2.5GT, and 2.5GT Limited. All trim levels were available as Sedan and Wagon. For 2006, the regular GT was dropped, and the 2.5i Special Edition was added into the line up. Priced between the base and the Limited models, the 2.5i Special Edition came with power moonroof and power driver seat, while the 2.5i Limited also came with leather interior, power front passenger seat, and climate control automatic air condition.

The high performance Subaru Legacy 2.5GT spec.B arrived as 500 units limited edition model for 2006 model year in America, and became a regular model for the next following years. It has Bilstein shock absorbers and 18 inch alloy wheels for better handling, Vehicle Dynamics Control, and from 2007, 6 speed manual gearbox and the Subaru Intelligent Drive (SI-Drive) with three modes: Intelligent, Sport, and Sport Sharp.
For the 2008 model year, the Legacy sedan received facelift with new bumpers, front fenders, tail lights, and alloy wheels. By this time the Legacy wagon and Outback sedan were discontinued in the United States, leaving the Legacy sedan and Outback wagon. The Legacy wagon was not discontinued in Canada

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

. 2008 also brought the 3.0 L flat-6 engine to the North American Legacy sedan in the 3.0R Limited trim level. The flat-6 has been available in the Outback sedan wagon since 2000. For 2008, the 2.5i USA model has been certified PZEV emissions, and a badge has been attached to the rear of the vehicle on the bottom right hand side of the trunklid or tailgate. All other models are certified LEV2. The PZEV Legacy is available for sale in all 50 states, unlike other manufacturers who only sell PZEV certified vehicles in states that have adopted California emission standards.

ecomatic Autogas Hybrid (2007–)

It is a version with 2.0R or 2.5i engines that can run on LPG for German market.

Diesel (2008–)

The Subaru EE flat-4

Flat-4

A flat-4 or horizontally opposed-4 is a flat engine with four cylinders arranged horizontally in two banks of two cylinders on each side of a central crankcase...

 diesel engine is offered in both the Legacy and Outback sedans and wagons, identified as the Subaru Legacy 2.0D the vehicle was released in the EU starting March 2008. The vehicle is offered with a 5 speed manual transmission

Manual transmission

A manual transmission, also known as a manual gearbox or standard transmission is a type of transmission used in motor vehicle applications...

 only.

The official introduction of the Legacy and Outback diesel was at the Geneva AutoShow in March, 2008.

According to the Subaru Insiders on-line newsletter dated March 2008, Subaru is "currently making modifications to the diesel so it meets the more stringent U.S. standards. Subaru diesel models should be domestically available in two to three years."

Australian Model

The Liberty BL and BP were offered in Australia from 2004. Initially the model grades were 2.0i, 2.5i, 2.0GT, 3.0R, and 3.0R spec.B.
The 2.5i could also be ordered with Luxury Pack (in-dash CD Player, leather interior, power driver's seat, sunroof), Safety Pack (dual front side and curtain airbags), or Premium Pack which is the combination of Luxury and Safety Packs. Premium Pack was also offered for the GT. In 2006 the Liberty 2.0i became 2.0R, and the 3.0R spec.B was also available as Blitzen model with sport grill and aero bumpers. For 2007 model year the Liberty GT and new GT spec.B received bigger 2.5 liter turbocharged engine.

Liberty GT tuned by STi (2006 & 2008)

In 2006, Subaru released the 300 units limited edition Liberty GT tuned by STi based on the 2.0GT Sedan and Wagon.
The facelift versions of 250 units were released for 2008 model year and powered by the 2.5 liter turbo engine. The modified EJ255 engine is rated 264 PS at 6000 rpm and 350 newton metre at 2800 rpm. It includes Bilstein shocks, rear suspension kit with partial ball bearing-jointed bushes, 5 mm (0.196850393700787 in) lower springs, Brembo brakes (4-piston front, 2-piston rear) with stainless steel mesh-type brake hose, 18-inch ENKEI wheels (2.5 kg (5.5 lb) lighter over stock), front and rear STI spoilers, leather and alcantara front seats, 8-way power driver seat with memory settings.

Engines

Models	Years	Type (code)	Power, torque@rpm
2.0i	2003–2005	2.0L H4 (EJ20)	138 hp
2.0R	2005–2007		164 hp
2.0R	2007 –	1994 cc H4 (EJ20)	150 PS@6000, 196 newton metres (144.6 ft·lbf)@3200
2.0GT	2004 - 2005	2.0L H4 turbo (EJ20)	245 PS@6000, 320 newton metres (236 ft·lbf)@3200
2.5i	2007 –	2457 cc H4 (EJ253)	173 PS@6000, 227 newton metres (167.4 ft·lbf)@4400
2.5i	2003–2005		165 hp
2.5GT	?	2.5L H4 turbo (EJ255)	250 hp@6,000, 339 newton metre@3,600
3.0R	?	3000 cc H6 (EZ30)	245 PS@6600, 297 newton metres (219.1 ft·lbf)@4200
Liberty GT tuned by STI	2008	?	264 PS@6000, 350 newton metres (258.1 ft·lbf)@2800
STI S402	2008–2009	2457 cc H4 AVCS twin scroll turbo (EJ25)	285 PS@5600, 392 newton metres (289.1 ft·lbf)@2000–4800
2.0D	?	1998 cc H4 turbo (EE20)	150 PS@3600, 350 newton metres (258.1 ft·lbf)@1800

The normally aspirated engines were revised for increased power and torque.

Transmissions

Models	Years	Type (code)
2.0i	?	5-speed manual, 4-speed automatic
2.5i	?	4-speed automatic, 5-speed manual
2.0GT	2004–2005	6-speed manual, 5-speed automatic
2.5GT	2005–2009	5-speed manual, 5-speed automatic
2.5GT spec.B	2006–2009	5-speed manual (2006), 6-speed manual (2007–2009)
3.0R	?	5-speed automatic
3.0R spec.B	?	5-speed automatic with Si-Drive, 6-speed manual
Liberty GT tuned by STI	2008	6-speed manual, 5-speed automatic
STI S402	2008–2009	6-speed manual
2.0D	2008–2009	5-speed manual

All automatic transmission models include Sportshift manual gear selection mode from Prodrive

Prodrive

Prodrive is a British motorsport and automotive engineering group based in Banbury, Oxfordshire, England. It designs, constructs and races cars for companies and teams such as Subaru, Aston Martin and Ford...

.

Turbocharged models and the H6

Flat-6

A flat-6 or horizontally opposed-6 is a flat engine with six cylinders arranged horizontally in two banks of three cylinders on each side of a central crankcase...

 include 5-speed automatic transmission

Automatic transmission

An automatic transmission is one type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually...

. Legacy H6 and spec.B models include Subaru Intelligent Drive (SI-DRIVE), which includes 3 vehicle performance modes with unique settings for engine control unit (ECU), automatic transmission control unit (if equipped), and electronically controlled throttle.

2.5i is sold in Germany with 4-speed automatic and 5-speed manual. 3.0R spec.B is sold in Germany with automatic and 6-speed manual.