Checked oil specs by engine
2013 Cadillac CTS oil capacity, type & filter
The 2013 Cadillac CTS takes 6 qt of 5W-30 (3.0L V6) and 6 qt of 5W-30 (3.6L V6) and 6 qt of 0W-30 (6.2L V8). Select your engine below before buying.
Match one of 3 checked engine options before buying oil or a filter.
AMSOIL EA15K28 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K28 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K50 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
2013 Cadillac CTS oil specs: capacity conditions and filter notes
Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2013 Cadillac CTS
Supported by AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).
Supported by Pennzoil OATS, Valvoline Product Finder, Castrol (Olyslager), and AMSOIL Lookup.
Supported by AMSOIL Lookup, RockAuto, and Purolator Part Finder.
6 checked source rows for the 2013 Cadillac CTS.
Before ordering for this 2013 Cadillac CTS
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- AMSOIL EA15K28
- Capacity
- 6 qt
- Oil type
- 5W-30
- Filter
- AMSOIL EA15K28
- Capacity
- 6 qt
- Oil type
- 0W-30(Below -29°C)
- Filter
- AMSOIL EA15K50
Source check: Last checked 2026-06-25 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, Valvoline Product Finder, and Castrol (Olyslager).
Cadillac CTS oil specs by year
This table includes checked Cadillac CTS model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2019 | 6 qt (multiple engines) | 5W-30 | Purolator L11403 |
| 2018 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2017 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K50 |
| 2016 | 7 qt (multiple engines) | 5W-30 | AMSOIL EA15K01 |
| 2015 | 6 qt (multiple engines) | 5W-30 | Purolator L11403 |
| 2014 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2013 Current page | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2012 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2011 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2010 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2009 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2008 | 6 qt | 5W-30 | AMSOIL EA15K28 |
| 2007 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2006 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
| 2005 | 6 qt (multiple engines) | 5W-30 | AMSOIL EA15K28 |
How we verified 2013 Cadillac CTS oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-25.
This page checked 6 sources for the 2013 Cadillac CTS. The table lists which checked source contributed capacity, oil type, or filter evidence.
We checked leading oil brands and aftermarket filter catalogs so you don't have to.
- Confidence
- Cross-check pending
- Sources checked
- 6
- Last checked
- 2026-06-25
- Capacity: AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
- Oil type: Pennzoil OATS, Valvoline Product Finder, Castrol (Olyslager), and AMSOIL Lookup
- Filter: AMSOIL Lookup, RockAuto, and Purolator Part Finder
| Source | Supports | Checked | Link |
|---|---|---|---|
| AMSOIL Lookup | Capacity, Filter, Oil type | 2026-06-25 | Visit brand site |
| Pennzoil OATS | Capacity, Oil type | 2026-06-25 | Visit brand site |
| RockAuto | Filter | 2026-06-25 | Checked source |
| Purolator Part Finder | Filter | 2026-06-25 | Visit brand site |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-25 | Checked source |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-25 | Visit brand site |
Where to buy
These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2013 Cadillac CTS. Confirm capacity, viscosity, and filter part number before checkout.
Search 2013 Cadillac CTS oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2013 Cadillac CTS before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2013 Cadillac CTS oil & filter →Amazon
Search Amazon listings for the 2013 Cadillac CTS and check listing fitment notes against the specs above.
Search 2013 Cadillac CTS oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2013 Cadillac CTS and verify oil capacity, viscosity, and filter part number before ordering.
Search 2013 Cadillac CTS oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.