2018Cadillac CT6 Fuel tank size
Depends on your version. Choose yours, or compare them here.
- Gasoline Only 19.2 gal
- PLUG-IN 15.6 gal
19.2gal
Gasoline Only
15.6gal
PLUG-IN
Owner's manual · p. 430 ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · Gasoline Only · p. 430
72.7 L 19.2 gal
Fuel tank size · PLUG-IN · p. 430
59.0 L 15.6 gal
Owner's manual · p. 430 ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · Gasoline Only · p. 430
72.7 L 19.2 gal
Owner's manual · p. 430 ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · PLUG-IN · p. 430
59.0 L 15.6 gal
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Gasoline Only | 19.2 gal | “72.7 L 19.2 gal” | p. 430 ↗ |
| PLUG-IN | 15.6 gal | “59.0 L 15.6 gal” | p. 430 ↗ |
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