2018 Cadillac CT6 Oil Capacity, Types, & Filters
Your essential guide to 2018 Cadillac CT6 oil change is here! No more searching – find all the critical oil specs for your 2018 Cadillac CT6, including oil capacity, recommended oil viscosity (type), and the correct oil filter.
We cover all engine options, categorized by their specific engine codes, ensuring you get the right information for your specific configuration. Keep reading to discover everything you need for your next 2018 Cadillac CT6 oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 2.0L 4-cylinder [6] LGW 6 Turbo | 5 quarts (with filter) | SAE 0W-30 (Below -29°C) SAE 5W-30 (All TEMPS) | GM 12693541 |
| 2.0L 4-cylinder [S] LGX S | 5 quarts (with filter) | SAE 0W-30 (Below -29°C) SAE 5W-30 (All TEMPS) | GM 12693541 |
| 3.0L 6-cylinder [X] LTG 0 Turbo | 6 quarts (with filter) | SAE 0W-30 (Below -29°C) SAE 5W-30 (All TEMPS) | GM 25206966 |
| 3.6L 6-cylinder [X] LTG X Turbo | 6 quarts (with filter) | SAE 0W-30 (Below -29°C) SAE 5W-30 (All TEMPS) | GM 25206966 |
Select Your 2018 Cadillac CT6 Engine Option
2.0L 4-cylinder Engine Code [6] LGW 6 Turbo
Engine:
2.0L 4-cylinder [6] LGW 6 Turbo [aka 2.0L L4 (Electric/Gas)]
Body & Trims:
Base, Luxury, Platinum, Premium Luxury
Oil Capacity:
5 quarts (with filter)
OEM Oil Filter:
Oil Filter Replaces:
N/A
2018 Cadillac CT6 2.0L 4-cylinder [6] LGW 6 Turbo oil change details
Oil Grade:
SEOC3
Oil Capacity:
5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Name of Oil Filter:
N/A
Wix Oil Filter:
Wix Air Filter:
N/A
Coolant Capacity:
10.4 quarts - This capacity is for the Engine.
4.2 quarts - This is the capacity of the Inverter.
3.3 quarts - This is the capacity for the Rechargeable Energy Storage System (RESS).
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
This specification has been updated from the Dexos 1 Gen 2 standard to the newer General Motors (GM) Dexos 1 Gen 3 standard.
2.0L 4-cylinder Engine Code [S] LGX S
Engine:
2.0L 4-cylinder [S] LGX S [aka 2.0L L4 (Electric/Gas)]
Body & Trims:
Base, Luxury, Platinum, Premium Luxury
Oil Capacity:
5 quarts (with filter)
OEM Oil Filter:
Oil Filter Replaces:
N/A
2018 Cadillac CT6 2.0L 4-cylinder [S] LGX S oil change details
Oil Grade:
SEOC3
Oil Capacity:
5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Name of Oil Filter:
N/A
Wix Oil Filter:
Wix Air Filter:
N/A
Coolant Capacity:
9.1 quarts - For models WithOut Radiator Air Conditioning (RAC).
10.9 quarts - For models with Radiator Air Conditioning (RAC).
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
This specification has been updated from the Dexos 1 Gen 2 standard to the newer General Motors (GM) Dexos 1 Gen 3 standard.
3.0L 6-cylinder Engine Code [X] LTG 0 Turbo
Engine:
3.0L 6-cylinder [X] LTG 0 Turbo [aka 3.0L V6 (Gas)]
Body & Trims:
Base, Luxury, Plug-In
Oil Capacity:
6 quarts (with filter)
OEM Oil Filter:
Oil Filter Replaces:
12640445, 12683286, 12696048, 12706595, 25206377
2018 Cadillac CT6 3.0L 6-cylinder [X] LTG 0 Turbo oil change details
Oil Grade:
SEOC3
Oil Capacity:
6 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Name of Oil Filter:
N/A
Wix Oil Filter:
N/A
Wix Air Filter:
N/A
Coolant Capacity:
3.4 quarts - This is the capacity of the Intercooler.
13 quarts - For models with Radiator Air Conditioning (RAC) and WithOut Extra Capacity.
13.9 quarts - For models with Radiator Air Conditioning (RAC) and Extra Capacity.
12.2 quarts - For models WithOut Radiator Air Conditioning (RAC) but with Extra Capacity.
11.2 quarts - For models WithOut Radiator Air Conditioning (RAC) and WithOut Extra Capacity.
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
This specification has been updated from the Dexos 1 Gen 2 standard to the newer General Motors (GM) Dexos 1 Gen 3 standard.
3.6L 6-cylinder Engine Code [X] LTG X Turbo
Engine:
3.6L 6-cylinder [X] LTG X Turbo [aka 3.6L V6 (Gas)]
Body & Trims:
Base, Luxury, Plug-In
Oil Capacity:
6 quarts (with filter)
OEM Oil Filter:
Oil Filter Replaces:
12640445, 12683286, 12696048, 12706595, 25206377
2018 Cadillac CT6 3.6L 6-cylinder [X] LTG X Turbo oil change details
Oil Grade:
SEOC3
Oil Capacity:
6 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Name of Oil Filter:
N/A
Wix Oil Filter:
N/A
Wix Air Filter:
N/A
Coolant Capacity:
10.4 quarts - For models WithOut Radiator Air Conditioning (RAC).
12 quarts - For models with Radiator Air Conditioning (RAC).
Oil Drain Plug Torque:
18 ft/lbs (Oil Drain Plug)
Notes:
This specification has been updated from the Dexos 1 Gen 2 standard to the newer General Motors (GM) Dexos 1 Gen 3 standard.