2018 Cadillac XTS Fuel tank size
Depends on your version. Choose yours, or compare them here.
- Front-Wheel Drive 18.5 gal·19.5 gal
- All-Wheel Drive 18.5 gal·19.5 gal
18.5gal
19.5gal
18.5gal
19.5gal
2018 Cadillac XTS Owner's Manual, PDF page 332
Front-Wheel Drive 70.0 L 18.5 galOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · Front-Wheel Drive · PDF page 332
Front-Wheel Drive 70.0 L 18.5 gal
Fuel tank size · All-Wheel Drive · PDF page 332
All-Wheel Drive 74.0 L 19.5 gal
Fuel tank size · Front-Wheel Drive · PDF page 332
Front-Wheel Drive 70.0 L 18.5 gal
Fuel tank size · All-Wheel Drive · PDF page 332
All-Wheel Drive 74.0 L 19.5 gal
2018 Cadillac XTS Owner's Manual, PDF page 332
Front-Wheel Drive 70.0 L 18.5 galOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · Front-Wheel Drive · PDF page 332
Front-Wheel Drive 70.0 L 18.5 gal
Fuel tank size · All-Wheel Drive · PDF page 332
All-Wheel Drive 74.0 L 19.5 gal
2018 Cadillac XTS Owner's Manual, PDF page 332
Front-Wheel Drive 70.0 L 18.5 galOpen the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · Front-Wheel Drive · PDF page 332
Front-Wheel Drive 70.0 L 18.5 gal
Fuel tank size · All-Wheel Drive · PDF page 332
All-Wheel Drive 74.0 L 19.5 gal
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Front-Wheel Drive | 18.5 gal | “Front-Wheel Drive 70.0 L 18.5 gal” | PDF page 332 ↗ |
| All-Wheel Drive | 19.5 gal | “All-Wheel Drive 74.0 L 19.5 gal” | PDF page 332 ↗ |
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