2018 Buick Cascada Wheel & Tire Sizes
Complete fitment guide for the 2018 Buick Cascada: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x115 bolt pattern — for every trim.
Bolt Pattern
5x115
Centre Bore
70.3 mm
Lug nuts
M12 x 1.5
Torque: 140 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2018 Buick Cascada
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 Buick Cascada Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 Buick Cascada configuration.
1.6T · Convertible, 2d
1.6L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–22" |
| Wheel width | 7–9" |
| Wheel offset | 34–44 mm |
| Tire width | 225–255 mm |
2018 Buick Cascada Fitment FAQ
What is the bolt pattern on a 2018 Buick Cascada?
The 2018 Buick Cascada uses a 5x115 bolt pattern (5 lug nuts on a 115 mm circle) with a 70.3 mm centre bore.
What size tires fit a 2018 Buick Cascada?
Factory (OEM) tire sizes for the 2018 Buick Cascada include 225/50R17, 235/55R17, 235/50R18, 245/45R18, 235/45ZR19, 245/40R20, 245/35R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 Buick Cascada?
Depending on trim, the 2018 Buick Cascada accepts wheels from 17" up to 22" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2018 Buick Cascada use?
The 2018 Buick Cascada uses M12 x 1.5 lug nuts, torqued to 140 Nm.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.