1999 Mazda MX-5 Miata Wheel Backspacing
4.57 in · 4.90 in · 5.00 in
Quick specs
- Backspacing
- 4.57 in · 4.90 in · 5.00 in
- OEM offset
- ET40 · ET42 · ET38
- Wheel size
- 6x14 · 6x15 · 6.5x16 · 7x17
- Bolt pattern
- 4×100
- Tire size
- 185/60R14 · 195/50R15 · 205/45R16 · 205/40R17
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 1.8i · I4, Petrol | 6x14 | ET40 | 4.57 in | 185/60R14 | 4x100 | 54.1 mm | M12 x 1.5 |
| 1.8i · I4, Petrol | 6x15 | ET40 | 4.57 in | 195/50R15 | 4x100 | 54.1 mm | M12 x 1.5 |
| 1.8i · I4, Petrol | 6.5x16 | ET42 | 4.90 in | 205/45R16 | 4x100 | 54.1 mm | M12 x 1.5 |
| 1.8i · I4, Petrol | 7x17 | ET38 | 5.00 in | 205/40R17 | 4x100 | 54.1 mm | M12 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 1999 Mazda MX-5 Miata
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.