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In its production from 2003 to 2009, the Jaguar XJ brought a blend of classic luxury and modern technology to the full-size luxury sedan segment. Known for its elegant design, the XJ featured a distinctive aluminum monocoque chassis, reducing weight and contributing to better handling and fuel efficiency. Its elongated and sleek appearance characterized the exterior design, with a signature Jaguar front grille and stylish headlights. Inside, the XJ boasted a luxurious cabin crafted from premium leather and wood veneers. Technological advancements included a touchscreen infotainment system, advanced climate control, and rear-seat entertainment options, ensuring drivers and passengers a comfortable and connected ride. The driving experience of the XJ was defined by its refined ride quality and composed handling. It offered a range of engines, both V6 and V8 options, delivering strong performance while maintaining a quiet and comfortable cabin environment. The XJ also introduced advanced safety features for its time, enhancing driver confidence. Overall, the Jaguar XJ from 2003 to 2009 stood as a symbol of British luxury, showcasing a perfect harmony between traditional craftsmanship and modern innovation in the luxury sedan segment.



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

Engine 4.2L 8-Cylinder DOHC

  • Recommended oil viscosity: 5W-30
  • Oil certification: API
  • Drain Plug Torque: 18 ft-lbs
  • Oil capacity: 6.9 quarts

Spark Plug Gap

  • 4.2L 8-Cylinder: 0.040”

Engine Coolant

  • Capacity: 10.8 liters (2.9 gallons)


  • Capacity: 19.9 gallons

Brake Fluid

  • Type: DOT 4



  •  Petrol:
    • 3.0 L AJ126 V6
    • 3.5 L AJ-V8 V8
    • 4.2 L AJ-V8 V8
    • 4.2 L AJ-V8 supercharged V8
  • Diesel:
    • 2.7 L Ford AJD-V6 V6

Fuel Consumption



Front Lights

  • Front Fog Light Bulb:
    • H11-55W
    •  H3-55W
  • Front Inner Turn Signal Light Bulb: 12496
  • Front Outer Turn Signal Light Bulb: 2827
  • Front Sidemarker Light Bulb: 2825
  • High Beam Headlight Bulb: H7-55W
  • Low Beam Headlight Bulb: HID-D2S

Rear Lights

  • Back Up Light Bulb: 7506
  • Brake Light Bulb: LED
  • Center High Mount Stop Light Bulb: LED
  • License Plate Light Bulb: 2825
  • Parking Light Bulb: 2825
  • Rear Sidemarker Light Bulb: 2825
  • Rear Turn Signal Light Bulb: 12496
  • Tail Light Bulb: LED

Interior Lights

  • Courtesy Light Bulb:
    • 2825
    • 6411
  • Dome Light Bulb: 6411
  • Map Light Bulb: 2825
  • Trunk Light Bulb: 6418