2020 GMC Terrain Fuel tank size
14.8gal
FWD
2020 GMC Terrain Owner's Manual, PDF page 385
FWD 56.0 L 14.8 galOpen the manual at this page ↗Added Oct 15, 2026
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Fuel tank size · FWD · PDF page 385
FWD 56.0 L 14.8 gal
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| FWD | 14.8 gal | “FWD 56.0 L 14.8 gal” | PDF page 385 ↗ |
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