2005 Cadillac STS Fuel Tank Size
2005 Cadillac STS fuel tank size: 17.5 gallons. From the owner's manual, PDF page 394.
17.5gallons
2005 Cadillac STS Owner's Manual, PDF page 394
17.5 gallonsOpen the manual at this page ↗Added Oct 21, 2026 · Updated
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Fuel tank size · All versions · PDF page 394
17.5 gallons
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 17.5 gallons | “17.5 gallons” | PDF page 394 ↗ |
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