What gas does the 2019 Cadillac CT6 take?
It depends on the engine: premium gasoline for the 2.0L 4-cylinder turbo, 3.0L 6-cylinder turbo and 4.2L 8-cylinder turbo; regular gasoline for the 3.6L 6-cylinder.
Key takeaways
- 4 EPA-certified configurations listed for the 2019 Cadillac CT6.
- Rated on premium: if the owner's manual says premium required, use premium; if it says recommended, regular works with some loss of power and economy.
- None of the listed engines is flex-fuel, so do not use E85.
| Engine | Transmission | Drive | Rated fuel | E85 |
|---|---|---|---|---|
| 2.0L 4-cylinder turbo | 10-speed automatic | RWD | premium gasoline | No |
| 3.0L 6-cylinder turbo | 10-speed automatic | AWD | premium gasoline | No |
| 3.6L 6-cylinder | 10-speed automatic | AWD | regular gasoline | No |
| 4.2L 8-cylinder turbo | 10-speed automatic | AWD | premium gasoline | No |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
Useful for the 2019 Cadillac CT6
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