2021 Ford F-150 Wheel Backspacing
5.48 in · 5.09 in · 5.98 in · 6.23 in
Quick specs
- Backspacing
- 5.48 in · 5.09 in · 5.98 in · 6.23 in
- OEM offset
- ET44 · ET34
- Wheel size
- 7.5x17 · 7.5x18 · 8.5x20 · 9x22
- Bolt pattern
- 6×135
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.7 EcoBoost · 2.7L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 2.7 EcoBoost · 2.7L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 2.7 EcoBoost · 2.7L, V6, Petrol | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 2.7 EcoBoost · 2.7L, V6, Petrol | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 2.7 EcoBoost · 2.7L, V6, Petrol | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 2.7 EcoBoost · 2.7L, V6, Petrol | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.0TD · 3.0L, V6, Diesel | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.3Ti · 3.3L, V6, Petrol | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 EcoBoost · 3.5L, V6, Petrol | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 3.5 PowerBoost · 3.5L, V6, Hybrid | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 7.5x17 | — | ET44 | 5.48 in | 245/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 7.5x17 | — | ET44 | 5.48 in | 265/70R17 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 7.5x18 | — | ET34 | 5.09 in | 265/60R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 7.5x18 | — | ET44 | 5.48 in | 275/65R18 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 8.5x20 | 11x20 | ET44 / ET64 | 5.98 in | 275/60R20 | 6x135 | 87.1 mm | M14 x 1.5 |
| 5.0Ti · 5.0L, V8, Petrol | 9x22 | — | ET44 | 6.23 in | 275/50R22 | 6x135 | 87.1 mm | M14 x 1.5 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2021 Ford F-150
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.