2003 GMC Sonoma Wheel Backspacing

3.98 in · 5.48 in · 5.51 in · 3.59 in · 5.87 in · 4.61 in

Quick specs

Backspacing
3.98 in · 5.48 in · 5.51 in · 3.59 in · 5.87 in · 4.61 in
Wheel size
6x15 · 7x15 · 6x16 · 6x14
Bolt pattern
5×120.7, 5×120.65
Tire size
Multiple — see configurations

OEM configurations

ConfigurationRimOffsetBackspacingTireBolt patternCenter boreThread
2.2i · I4, Petrol6x15ET253.98 in205/75R155x120.6570.3 mmM12 x 1.5
2.2i 4WD · I4, Petrol6x15ET635.48 in205/75R155x120.6570.3 mmM12 x 1.5
2.2i 4WD · I4, Petrol7x15ET515.51 in235/70R155x120.6570.3 mmM12 x 1.5
4.3i · I4, Petrol6x16ET153.59 in195/85R165x120.6570.3 mmM12 x 1.5
4.3i 4WD · V6, Petrol6x15ET735.87 in205/65R155x120.6570.3 mmM12 x 1.5
4.3i 4WD · V6, Petrol6x14ET414.61 in215/70R145x120.6570.3 mmM12 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 2003 GMC Sonoma

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.