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The Audi A8 and its sportier sibling, the S8, underwent significant advancements between 2004 and 2010, reaffirming Audi’s commitment to luxury, technology, and performance. Based on the D3 platform, these models introduced a new level of sophistication and innovation. The A8 featured an aluminum space frame, which reduced weight and enhanced structural rigidity for improved handling and safety. The S8, designed for those seeking exhilarating performance within a luxury sedan, boasted a range of enhancements, including a more powerful engine and sport-tuned suspension. The A8 and S8 showcased Audi’s Quattro all-wheel-drive system, ensuring superb traction and stability in various road conditions. Additionally, these models incorporated advanced technology and luxurious amenities, setting new standards for comfort and driving experience in the luxury sedan segment.

Audi A8, S8 specifications, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.


  • Type:
    • D3
    • 4E

Engine 4.2L 8-Cylinder DOHC

  • Recommended oil viscosity: 5W-40
  • Oil certification: API
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 9.0 quarts

Spark Plug Gap

  • 4.2L 8-Cylinder: 0.036″


  • Capacity: 9.0qt (8.5 L)


  • Capacity: 23.8 gal (90.0 L)

Washer Fluid

  • Capacity: 5.1 qt (4.8 L)

Brake Fluid

  • Type: FMVSS 116 DOT 4



  • Petrol engines
    • 2.8 L AAH SOHC V6
    • 2.8 L ALG/AMX 30v V6
    • 3.7 L AEW V8
    • 4.2 L ABZ/AHC V8
    • 6.0 L W12
  • Diesel engines
    • 2.5 L TDI V6
    • 3.3 L TDI V8


  • Manual transmission
    • 5-speed manual
    • 6-speed manual (S8)
  • Automatic transmission
    • 4-speed ZF 4HP24 automatic
    • 5-speed ZF 5HP19 automatic
    • 5-speed ZF 5HP24 automatic

Fuel Consumption

audi a8 fuel comparison

Front Lights

  • Cornering Light Bulb: H8-35W
  • Daytime Running Light Bulb: 7506L
  • Front Fog Light Bulb: H11-55W
  • Front Turn Signal Light Bulb: 12188
  • High Beam and Low Beam Headlight Bulb: HID-D2S
  • Stepwell Light Bulb: 2825L

Rear Lights

  • Back-Up Light Bulb: 12184
  • Brake Light Bulb: LED
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: 6418
  • Parking Light Bulb: 2825L
  • Rear Sidemarker Light Bulb: LED
  • Rear Turn Signal Light Bulb: LED
  • Tail Light BulbTail Light Bulb: LED

Interior Lights

  • Dome Light Bulb: 64132
  • Glove Box Light Bulb: 2825L
  • Interior Door Light Bulb: LED
  • Map Light Bulb: 64132
  • Trunk Light Bulb: 2825L
  • Vanity Mirror Light Bulb: 6418