The table shows all suitable motor oils for Corvette C4, made in 1991 — 1996.
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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
1991
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SJ SH
CH-4 CG-4
only synthetics
SHELL, Mobil
1992
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SJ SH
CH-4 CG-4
only synthetics
SHELL, Mobil
1993
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SJ SH
CH-4 CG-4
only synthetics
SHELL, Mobil
1994
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SJ SH
CH-4 CG-4
only synthetics
SHELL, Mobil
1995
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SJ SH
CH-4 CG-4
only synthetics
SHELL, Mobil
1996
5W-50 10W-50
0W-50 0W-40
5W-50 5W-40
SL SJ
CH-4 CG-4
only synthetics
SHELL, Mobil
Data close to recommended in Chevrolet
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 Chevrolet Corvette (C4) 1991, suitable multigrade synthetics oil 5W-50 quality SL, SJ.
For bodies made in 1996, for the cold season, recommended only synthetics 0W-50 \ SL, SJ.
If possible, check the selected oil for compliance with the manufacturers specifications and service intervals.