Cadillac CT5 Engine Oil Specs
Engine oil type, capacity & service interval for the Cadillac CT5 (2020–2026). Select your year below for full specifications.
Choose CT5 year
Oil grade changes by year
Do not assume every Cadillac CT5 year uses the same oil. Some years specify 0W-20 (years 2026, 2025, 2024, 2022, 2021) while others specify 5W-30 (years 2023, 2020). Select your exact year and engine configuration before buying oil.
Select Year – Cadillac CT5 Engine Oil
7 years foundCadillac CT5 Engine Oil Specs by Year
All 7 years| Year | Engine | Oil Grade | Capacity | Interval | |
|---|---|---|---|---|---|
| 2026 | 2L 4-Cylinder | 0W-20 | 4.2 qt | 10,000 mi | View → |
| 2025 | 2L 4-Cylinder | 0W-20 | 4.2 qt | 10,000 mi | View → |
| 2024 | 2L 4-Cylinder | 0W-20 | 4.2 qt | 10,000 mi | View → |
| 2023 | 3L 6-Cylinder | 5W-30 | 5.5 qt | 10,000 mi | View → |
| 2022 | 2L 4-Cylinder | 0W-20 | 4.2 qt | 10,000 mi | View → |
| 2021 | 2L 4-Cylinder | 0W-20 | 4.2 qt | 10,000 mi | View → |
| 2020 | 3L 6-Cylinder | 5W-30 | 5.5 qt | 10,000 mi | View → |
Cadillac CT5 Engine Oil Guide
The Cadillac CT5 was produced from 2020 to 2026. This model typically uses 0W-20 full synthetic engine oil — a specification common to most Cadillac CT5-series vehicles.
Selecting the correct oil viscosity for your Cadillac CT5 is essential. Using a grade that is too thin reduces protection at operating temperature, while too thick an oil impairs cold-start flow and reduces fuel economy. Always match the exact grade shown for your specific model year.
The recommended oil change interval for the Cadillac CT5 is every 10,000 miles or 12 months. Under severe driving conditions — track use, towing, or frequent cold starts — shorten this interval by 25–30%.
When servicing your Cadillac CT5, always replace the oil filter at every oil change. Using a quality filter — such as Fram, Mobil 1, or OEM equivalent filters — ensures clean oil circulation through the engine block.
Oil change costs for the Cadillac CT5 at a US dealership or local service center typically range from $60 to $110 for a standard synthetic blend or full synthetic service. DIY oil changes cost approximately $30–$65 in parts (oil + filter) and take about 30 minutes with the right tools.
Always consult your vehicle's owner's manual to confirm the exact specification for your specific trim and engine variant, as some Cadillac CT5 configurations may have different requirements.
Always use the viscosity grade recommended in your vehicle's owner's manual to ensure proper lubrication and maintain warranty coverage.
Perform periodic dipstick checks to ensure proper oil levels, especially prior to long road trips or heavy load use.