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2003-2007

The Cadillac CTS, manufactured from 2003 to 2007, marked a significant shift in Cadillac’s design language and performance capabilities. It introduced the brand’s Art and Science design philosophy, featuring sharp angles, bold creases, and distinctive vertical lighting elements. This sporty midsize luxury sedan aimed to compete with European rivals, offering a compelling alternative to the established players in its class. The CTS came with rear-wheel drive as standard, with optional all-wheel drive, and it boasted a well-appointed interior with high-quality materials, modern technology, and spacious seating. In terms of performance, the CTS offered various engine options, including V6 and V8 powerplants, with the top-tier CTS-V delivering remarkable performance figures. The CTS-V, in particular, stood out as a high-performance variant with a potent V8 engine, sport-tuned suspension, and performance-oriented features, appealing to enthusiasts seeking a luxury sports sedan. Overall, the Cadillac CTS from 2003 to 2007 represented a significant step forward for Cadillac, showcasing its commitment to design innovation and competitive performance in the luxury car market.

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

Engine 2.8L 6-Cylinder DOHC

  • Recommended oil viscosity: 5W-30
  • Oil certification: API
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 6.0 quarts

Spark Plug Gap

  • 2.8L 6-Cylinder: DOHC

Engine 3.6L 6-Cylinder DOHC

  • Recommended oil viscosity: 5W-30
  • Oil certification: API
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 6.0 quarts

Spark Plug Gap

  • 3.6L 6-Cylinder: 0.044″

Engine 6.0L 8-Cylinder

  • Recommended oil viscosity: 5W-30
  • Oil certification: API
  • Drain plug torque: 18 ft-lbs
  • Oil capacity: 6.0 quarts

Spark Plug Gap

  • 6.0L 8-Cylinder : 0.044”

Fuel

  • Capacity: 17.5 gal (66.2 L)

Cooling System

  • Capacity
    • 2.8L HFV6 Engine: 11.7 qt (11.1 L)
    • 3.6L HFV6 Engine 12.1 qt (11.8 L)
    • 6.0L V8 Engine 13.4 qt (12.7 L)

Transmission (Pan Removal and Replacement)

  • Capacity
    • Automatic: 7.4 qt (7.0 L)
    • 6-Speed Manual – CTS:1.9 qt (1.8 L)
    • 6-Speed Manual – CTS-V 3.7 qt (3.5 L)

Powertrain

Engine

Gasoline:

  • 2.0 L LTG Ecotec turbocharged I4
  • 3.6 L LFX V6
  • 3.6 L LGX V6
  • 3.6 L LF3 twin-turbocharged V6
  • 6.2 L LT4 supercharged V8[44]4

Transmission

  • 6-speed GM 6L45 automatic
  • 8-speed Aisin TL-80SN automatic
  • 8-speed GM 8L45 automatic

Fuel Consumption

CADILLAC CTS FUEL CONSUMPTION

Safety Ratings

CADILLAC CTS SAFETY RATINGS

Front Lights

  • Daytime Running Light Bulb:
    • 3157-SCK
    • 3157K
  • Front Fog Light Bulb: 9145
  • Front Inner Turn Signal Light Bulb:
    • 3157-SCK
    •  3157K
  • Front Outer Turn Signal Light Bulb: 2825
  • Front Sidemarker Light Bulb: 194
  • High Beam Headlight Bulb: 9005XS
  • Low Beam Headlight Bulb:
    • 9006XS
    •  HID-D1S

Rear Lights

  • Back Up Light Bulb:
    • 3157-SCK
    • 3157K
  • Brake Light Bulb :
    • 3157-SCK
    • 3157K
  • Center High Mount Stop Light Bulb: PC175
  • License Plate Light Bulb: 2825L
  • Parking Light Bulb: 2825
  • Rear Sidemarker Light Bulb: 2825
  • Rear Turn Signal Light Bulb:
    • 3157-SCK
    •  3157K
  • Tail Light Bulb:
    • 3157-SCK
    • 3157K