2015 Cadillac CTS Wheel & Tire Sizes
Complete fitment guide for the 2015 Cadillac CTS: 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 2015 Cadillac CTS
Front / square fitments
Rear (staggered fitments)
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2015 Cadillac CTS Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2015 Cadillac CTS configuration. Trims with different front and rear specs run a staggered setup.
2.0Ti · Saloon
2.0L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–20" |
| Wheel width | 8–9" |
| Wheel offset | 33–42 mm |
| Tire width | 245–255 mm |
3.6i · Saloon
Staggered3.6L · V6 · Flex-Fuel
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8.5–9" | 9.5–10" |
| Wheel offset | 33–35 mm | 23–46 mm |
| Tire width | 245–255 mm | 275 mm |
3.6T · Saloon
Staggered3.6L · V6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8.5–9" | 9.5–10" |
| Wheel offset | 23–35 mm | 23–46 mm |
| Tire width | 245–265 mm | 275–295 mm |
2015 Cadillac CTS Fitment FAQ
What is the bolt pattern on a 2015 Cadillac CTS?
The 2015 Cadillac CTS 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 2015 Cadillac CTS?
Factory (OEM) tire sizes for the 2015 Cadillac CTS include 245/45R17, 245/40R18, 245/40ZR18, 255/35R19, 255/35ZR19, 265/35ZR19; staggered rear fitments use 275/35ZR18, 295/30ZR19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2015 Cadillac CTS?
Depending on trim, the 2015 Cadillac CTS accepts wheels from 17" up to 20" 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 2015 Cadillac CTS use?
The 2015 Cadillac CTS 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.