2014 GMC Terrain Fuel tank size
Depends on your version. Choose yours, or compare them here.
- 2.4L L4 Engine 18.8 gal
- 3.6L V6 Engine 20.9 gal
18.8gal
2.4L L4 Engine
20.9gal
3.6L V6 Engine
2014 GMC Terrain Owner's Manual, PDF page 320
2.4L L4 Engine 71.1 L 18.8 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · 2.4L L4 Engine · PDF page 320
2.4L L4 Engine 71.1 L 18.8 gal
Fuel tank size · 3.6L V6 Engine · PDF page 320
3.6L V6 Engine 79.1 L 20.9 gal
2014 GMC Terrain Owner's Manual, PDF page 320
2.4L L4 Engine 71.1 L 18.8 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · 2.4L L4 Engine · PDF page 320
2.4L L4 Engine 71.1 L 18.8 gal
2014 GMC Terrain Owner's Manual, PDF page 320
3.6L V6 Engine 79.1 L 20.9 galOpen the manual at this page ↗Added Oct 15, 2026
See where it's printed
Fuel tank size · 3.6L V6 Engine · PDF page 320
3.6L V6 Engine 79.1 L 20.9 gal
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.4L L4 Engine | 18.8 gal | “2.4L L4 Engine 71.1 L 18.8 gal” | PDF page 320 ↗ |
| 3.6L V6 Engine | 20.9 gal | “3.6L V6 Engine 79.1 L 20.9 gal” | PDF page 320 ↗ |
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