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The 2000-2004 Subaru Legacy represented the third generation of this midsize sedan and wagon, offering an impressive blend of all-wheel-drive capability, reliability, and practicality. With a more modern and aerodynamic design compared to its predecessor, the Legacy displayed a matured and upscale appearance. Inside, the cabin featured improved materials and ergonomics, providing a comfortable driving experience. Safety was a priority, with the availability of Subaru’s symmetrical all-wheel-drive system and optional features like antilock brakes and side airbags. The Legacy offered a range of engines, including efficient four-cylinders and more powerful six-cylinder options. Whether used as a family sedan or for outdoor adventures, this generation of the Legacy appealed to a broad spectrum of drivers. Its well-rounded attributes made it a compelling choice in the midsize sedan segment during its production years.



Subaru Legacy specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.


  • Type: 4th gen  BL/BP

Engine 2.5L 4-Cylinder SOHC

  • Recommended Oil viscosity: 5W-30
  • Recommended Engine Oil: API
  • Drain Plug Torque: 33FT-LBS
  • Oil capacity: 4.2 qt

Spark Plug Gap

  • 2.5L 4-Cylinder: 0.044”


  • Capacity: 18.5 US gal (70 liters, 15.4 Imp gal)

Transmission oil (MT)

  • Capacity: 3.9 US qt (3.7 liters, 3.3 Imp qt)

Transmission fluid (CVT)

  • Capacity: 13.2 US qt (12.5 liters, 11.0 Imp qt)

Transmission fluid (AT)

  • Capacity: 10.4 US qt (9.8 liters, 8.6 Imp qt)

Front differential gear oil (AT and CVT models)

  • Capacity: 1.5 US qt (1.4 liters, 1.2 Imp qt

Rear differential gear oil

  • Capacity: 0.8 US qt (0.8 liter, 0.7 Imp qt)

Power steering gear fluid

  • Capacity: 0.7 US qt (0.7 liter, 0.6 Imp qt)

Engine coolant

  • Capacity: 
    • 2.5 liter MT: 6.9 US qt (6.5 liters, 5.7 Imp qt)
    • 2.5 liter CVT: 6.8 US qt (6.4 liters, 5.6 Imp qt)
    • 2.5 L turbo models: 6.9 US qt (6.5 liters, 5.7 Imp qt)
    • 3.6 L models: 6.9 US qt (6.5 liters, 5.7 Imp qt)



  • 2.0L SOHC EJ20 H4
  • 2.0L DOHC EJ20 H4
  • 2.0L DOHC Turbo EJ20 H4
  • 2.0L DOHC TD EE20 H4
  • 2.5L SOHC EJ253 H4
  • 2.5L DOHC Turbo EJ255 H4
  • 3.0L EZ30 DOHC H6


  • 4-speed automatic
  • 5-speed automatic
  • 5-speed manual
  • 6-speed manual

Fuel Consumption


Safety Ratings



Front Lights

  • Front Fog Light Bulb: H11-55W
  • Front Sidemarker Light Bulb: 168
  • Front Turn Signal Light Bulb: 7440
  • High Beam Headlight Bulb: 9005
  • Low Beam Headlight Bulb: H7-55W

Rear Lights

  • Back Up Light Bulb: 921
  • Brake Light Bulb:
    • 7443-SCK
    • 7443
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: 168
  • Parking Light Bulb: 168
  • Rear Sidemarker Light Bulb:
    • 7443-SCK
    • 7443
  • Rear Turn Signal Light Bulb: 7440NA
  • Tail Light Bulb
    • 7443-SCK
    • 744

Interior Lights

  • Courtesy Light Bulb: 168
  • Dome Light Bulb: DE3175
  • Map Light Bulb: DE3175
  • Trunk Light Bulb: 168