2018 Chevrolet Impala Wheel & Tire Sizes
Complete fitment guide for the 2018 Chevrolet Impala: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x120 bolt pattern — for every trim.
Bolt Pattern
5x120
Centre Bore
66.9 mm
Lug nuts
M14 x 1.5
Torque: 150 Nm
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2018 Chevrolet Impala
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2018 Chevrolet Impala Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2018 Chevrolet Impala configuration.
2.5 · Saloon
I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–24" |
| Wheel width | 7–9" |
| Wheel offset | 20–45 mm |
| Tire width | 235–255 mm |
3.6 · Saloon
3.6L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–24" |
| Wheel width | 7–9" |
| Wheel offset | 20–45 mm |
| Tire width | 235–255 mm |
2018 Chevrolet Impala Fitment FAQ
What is the bolt pattern on a 2018 Chevrolet Impala?
The 2018 Chevrolet Impala uses a 5x120 bolt pattern (5 lug nuts on a 120 mm circle) with a 66.9 mm centre bore.
What size tires fit a 2018 Chevrolet Impala?
Factory (OEM) tire sizes for the 2018 Chevrolet Impala include 235/50R18, 245/45R19, 245/40R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2018 Chevrolet Impala?
Depending on trim, the 2018 Chevrolet Impala accepts wheels from 17" up to 24" 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 Chevrolet Impala use?
The 2018 Chevrolet Impala uses M14 x 1.5 lug nuts, torqued to 150 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.