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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Cadillac CtsOil Type & Capacity
OEM spec from the factory service manual for the 3.6 7, AWD variant.
Quick Answer
Oil Type
$API - SAE 5W-30
Capacity (w/ Filter)
6.00 QTS.
5.67 L
Variant
3.6 7, AWD
Note: Use synthetic oil that meets GM Standard GM4718M.
DO NOT use other viscosity oils such as SAE 20W-50.
This vehicle's factory manual
2008 Cadillac Cts: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com — our quick oil type & capacity lookup for every vehicle.
Other specs:All specs
What You'll Need
Related for Your 2008 Cadillac Cts
Frequently Asked Questions
- What type of oil does a 2008 Cadillac Cts take?
- The 2008 Cadillac Cts requires API - SAE 5W-30. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 3.6 7, AWD configuration.
- How much oil does a 2008 Cadillac Cts need?
- The 2008 Cadillac Cts takes 6.00 QTS. (5.67 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2008 Cadillac Cts?
- Yes — synthetic oil that meets the API - SAE 5W-30 specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2008 Cadillac Cts?
- Using oil that does not meet the API - SAE 5W-30 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.