Please note: GM dexos R engine oils meet or exceed the performance of GM dexos 2 and GM dexos 1 Gen 2 and Gen 3 oils and are backward compatible, therefore vehicles equipped with gasoline engines that used GM dexos 2, or GM dexos 1 Gen 2 or Gen 3 may use a GM dexos R licensed engine oil of the appropriate viscosity grade at their next oil change.
Licensed dexos®R brands
| Brand Name | Supplier | Specification | Viscosity | License Number |
|---|---|---|---|---|
| EDGE 0W-40 M | Castrol Ltd. | dexos™R | 0W-40 | DR55FAGJ220 |
| Mobil 1 Supercar | ExxonMobil Oil Corporation | dexos™R | 0W-40 | DR40FADA015 |
| Mobil 1 Supercar | ExxonMobil Oil Corporation | dexos™R | 5W-50 | DR40JADH015 |
| Pennzoil Ultra Platinum SQ | Shell Oil Products Co. | dexos™R | 0W-40 | DR65FBGI800 |
| Pennzoil Ultra Platinum SP | Shell Oil Products Co. | dexos™R | 0W-40 | DR65FAGI800 |