The table shows all suitable motor oils for Ct6 1st generation, made in 2016 — 2018.
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Year
Grade SAE
all-season +25 to -25 °C
winter -30 to +5 °C
summer -5 to +45 °C
Gasoline API
Diesel API
Oil Type
Recommended Brand
2016
10W-40 15W-40
0W-30 0W-40
20W-40 25W-40
SN
CK-4 CJ-4
semisynthetics
Mobil, Lucas Oil, Valvoline, Valucraft, Pentosin, Kixx, Exxon
2017
15W-40
0W-40 5W-40
20W-40 25W-40
SN+ SN
CK-4 CJ-4
semisynthetics
Mobil, Valucraft, Pentosin, Lucas Oil, Valvoline, Kixx, Exxon
2018
10W-40 15W-40
0W-40 0W-30
20W-40 25W-40
SN+ SN
CK-4 CJ-4
synthetics, semisynthetics
Castrol, Mobil, Valucraft, Pentosin, Lucas Oil, Valvoline, Kixx
Data close to recommended in Cadillac
To buy the right oil you need to know SAE Viscosity Grade and API Quality Index oil for diesel or gasoline engine. You can select any Brand from the listed.
Example: for gasoline engines Cadillac Ct6 (1st generation) 2016, suitable multigrade semisynthetics oil 10W-40 quality SN+, SN.
For bodies made in 2018, for the cold season, well suited synthetics 0W-40 \ SN+, SN.
If possible, check the selected oil for compliance with the manufacturers specifications and service intervals.