2017 Ford Flex Fuel tank size
Depends on your version. Choose yours, or compare them here.
- 3.5L Duratec 18.6 gal
- 3.5L EcoBoost 18.6 gal
18.6gal
3.5L Duratec
18.6gal
3.5L EcoBoost
2017 Ford Flex Owner's Manual, PDF page 303
18.6 gal (70.4 L)Open the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · 3.5L Duratec · PDF page 303
18.6 gal (70.4 L)
Fuel tank size · 3.5L EcoBoost · PDF page 303
18.6 gal (70.4 L)
2017 Ford Flex Owner's Manual, PDF page 303
18.6 gal (70.4 L)Open the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · 3.5L Duratec · PDF page 303
18.6 gal (70.4 L)
2017 Ford Flex Owner's Manual, PDF page 303
18.6 gal (70.4 L)Open the manual at this page ↗Added Oct 16, 2026
See where it's printed
Fuel tank size · 3.5L EcoBoost · PDF page 303
18.6 gal (70.4 L)
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 3.5L Duratec | 18.6 gal | “18.6 gal (70.4 L)” | PDF page 303 ↗ |
| 3.5L EcoBoost | 18.6 gal | “18.6 gal (70.4 L)” | PDF page 303 ↗ |
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