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The 2005 Acura RL, internally known as “KB1,” introduced innovative features such as “Super Handling-All Wheel Drive” (SH-AWD) and torque vectoring, allowing power distribution not only front-to-back but also side-to-side for improved handling. It featured a 300 hp 3.5 L V6 SOHC VTEC engine, advanced aerodynamics, and an ACE body structure. Technological advancements included an adaptive cruise control (ACC) system, a Collision Mitigation Braking System, and a sophisticated voice-recognition navigation system. The RL also employed an advanced sound system with noise compensation technology and active noise cancellation. Furthermore, the car featured an innovative dual-screen infotainment system, a rearview camera, and optional run-flat tires. A-Spec packages enhanced performance with sports suspension and wheels while providing an aerodynamic appearance package. In 2009, Acura introduced firmer suspension and visual upgrades as standard features.

Look up Acura RL specification, engine oil capacity, spark plug gap, safety rating, and fuel consumption. transmission and light bulb sizes

Engine 3.7L 6-Cylinder SOHC

  • Recommended Oil Viscosity: 5W-20
  • Oil certification: API
  • Drain plug torque: 29 ft-lbs
  • Oil capacity: 4.5 quarts

Spark Plug Gap

  • 3.7L 6-Cylinder: 0.044”


  • Capacity: 
    • 18.5 gal (70.0L )


  • Type: Honda Heavy Duty Brake Fluid DOT 3 preferred, or a DOT 3 or DOT 4 brake fluid as a temporary replacement

Automatic Transmission Fluid

  • Type: Acura ATF DW-1 (automatic transmission fluid)
  • Capacity: 
    • 2WD: 3.3 qt (3.1 L)
    • SH-AWD:3.3 qt (3.1 L )

Manual Transmission Fluid

  • Capacity: 2.6 qt (2.5L )

Rear Differential Fluid

  • Type: Acura All-Wheel Drive Fluid (DPSF)
  • Capacity: 2.93 qt (2.77L)

Transfer Assembly Fluid

  • Capacity: 0.48 qt (0.45L)


  • Type: HFC-134a (R-134a)
  • Capacity: 17.8 19.6 oz (505 555 g)

Washer Fluid

  • Capacity: 
    • U.S. Vehicle: 2.6 US qt (2.5 )
    • Canada Vehicle: 6.1 US qt (5.8 )



  • 2005-08: 3.5L J35A8 V6 290 hp (220 kW)
  • 2009-12: 3.7L J37A2 V6 300 hp (220 kW)


  • 2005-10: 5-speed automatic with sequential sport shift
  • 2011: 6-speed automatic

Fuel Consumption

acura 2005 to 2012

Safety Ratings


Front Lights

  • Daytime Running Light Bulb: 9005
  • Front Fog Light Bulb: H8-35W
  • Front Sidemarker Light Bulb: 194NA
  • Front Turn Signal Light Bulb: 1157NA
  • High Beam Headlight Bulb: 9005
  • Low Beam Headlight Bulb: HID-D2S

Rear Lights

  • Back Up Light Bulb: 7440
  • Brake Light Bulb: LED
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: 2825
  • Parking Light Bulb: 1157NA
  • Rear Sidemarker Light Bulb: LED
  • Rear Turn Signal Light Bulb: 7440NA
  • Tail Light BulbTail Light Bulb: LED

Interior Lights

  • Auto Trans Indicator Light Bulb: 74
  • Courtesy Light Bulb: 194
  • Dome Light Bulb: DE3175
  • Interior Door Light Bulb: 194
  • Map Light Bulb 175
  • Rear Reading Light Bulb: DE3175
  • Trunk Light Bulb 168
  • Vanity Mirror Light Bulb: TS-12V2W