2008 Audi R8 Wheel Backspacing

5.90 in

Quick specs

Backspacing
5.90 in
OEM offset
ET42
Wheel size
8.5x18 · 8.5x19
Bolt pattern
5×112
Tire size
235/40R18 · 235/35R19 · 245/35R19

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
4.2FSi · 4.2L, V8, Petrol8.5x188.5x18ET425.90 in235/40R185x11257.1 mmM14 x 1.5
4.2FSi · 4.2L, V8, Petrol8.5x198.5x18ET425.90 in235/35R19 / 235/40R185x11257.1 mmM14 x 1.5
5.2FSi · 5.2L, V10, Petrol8.5x188.5x18ET425.90 in235/40R185x11257.1 mmM14 x 1.5
5.2FSi · 5.2L, V10, Petrol8.5x198.5x18ET425.90 in245/35R19 / 235/40R185x11257.1 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 2008 Audi R8

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.