2020 Buick Regal Fuel tank size
16.5gal
2020 Buick Regal Owner's Manual, PDF page 338
62.5 L 16.5 galOpen the manual at this page ↗Added Oct 16, 2026
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Fuel tank size · All versions · PDF page 338
62.5 L 16.5 gal
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All versions | 16.5 gal | “62.5 L 16.5 gal” | PDF page 338 ↗ |
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