2008 Cadillac DTS Fuel Tank Size
2008 Cadillac DTS fuel tank size: 18.5 gal. From the owner's manual, PDF page 399.
18.5gal
2008 Cadillac DTS Owner's Manual, PDF page 399
18.5 galOpen the manual at this page ↗Added Oct 21, 2026 · Updated
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Fuel tank size · All versions · PDF page 399
18.5 gal
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 18.5 gal | “18.5 gal” | PDF page 399 ↗ |
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