2020 Chevrolet Impala Wheel Backspacing

6.02 in · 5.65 in · 5.90 in

Quick specs

Backspacing
6.02 in · 5.65 in · 5.90 in
OEM offset
ET45 · ET42
Wheel size
8.5x20 · 8x18 · 8.5x19
Bolt pattern
5×120
Tire size
245/40R20 · 235/50R18 · 245/45R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
3.6 · 3.6L, V6, Petrol8.5x208.5x19ET45 / ET426.02 in245/40R20 / 245/45R195x12066.9 mmM14 x 1.5
3.6 · 3.6L, V6, Petrol8x188.5x19ET425.65 in235/50R18 / 245/45R195x12066.9 mmM14 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 2020 Chevrolet Impala

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.