1999 GMC Jimmy Wheel Backspacing
5.48 in · 5.51 in
Quick specs
- Backspacing
- 5.48 in · 5.51 in
- OEM offset
- ET63 · ET51
- Wheel size
- 6x15 · 7x15
- Tire size
- 205/75R15 · 235/70R15
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 4.3i · V6, Petrol | 6x15 | ET63 | 5.48 in | 205/75R15 | 5x120.65 | 70.3 mm | M12 x 1.5 |
| 4.3i · V6, Petrol | 7x15 | ET51 | 5.51 in | 235/70R15 | 5x120.65 | 70.3 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 GMC Jimmy
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.