Buick Regal TourX Tire Sizes

Quick specs

Tire size: 235/50R18 · 245/45R18 · 245/40R19
Wheel size: 8x18 · 8.5x18 · 8.5x19
Bolt pattern: 5×115

Quick specs reflect the latest catalog generation. Year ranges below show changes.

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Buick Regal TourX specs by year

Years	Bolt pattern	Center bore	Thread
2019–20202019 · 2020	5×115	70.3 mm	M12×1.5
20182018	5×115	70.1 mm	M12×1.5

Years

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