2015 Cadillac ATS Wheel & Tire Sizes
Complete fitment guide for the 2015 Cadillac ATS: 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 2015 Cadillac ATS
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 ATS Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2015 Cadillac ATS configuration. Trims with different front and rear specs run a staggered setup.
2.0Ti · Saloon
StaggeredI4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9–10" |
| Wheel offset | 35–32 mm | 34–32 mm |
| Tire width | 225–245 mm | 255–265 mm |
2.0Ti · Saloon
Staggered2.0L · I4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9–10" |
| Wheel offset | 35–42 mm | 34–52 mm |
| Tire width | 225–245 mm | 255–265 mm |
2.5i · Saloon
Staggered2.5L · I4 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9–10" |
| Wheel offset | 35–42 mm | 34–52 mm |
| Tire width | 225–245 mm | 255 mm |
3.6i · Saloon
Staggered3.6L · V6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9–10" |
| Wheel offset | 35–32 mm | 34–32 mm |
| Tire width | 225–245 mm | 255–265 mm |
3.6i · Saloon · AWD
Staggered3.6L · V6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 18–20" | 18–20" |
| Wheel width | 8–9" | 9–10" |
| Wheel offset | 35–42 mm | 34–52 mm |
| Tire width | 225–245 mm | 255–265 mm |
2015 Cadillac ATS Fitment FAQ
What is the bolt pattern on a 2015 Cadillac ATS?
The 2015 Cadillac ATS 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 2015 Cadillac ATS?
Factory (OEM) tire sizes for the 2015 Cadillac ATS include 225/45R17, 225/40R18, 225/40ZR18, 225/35ZR19; staggered rear fitments use 255/35R18, 255/35ZR18, 265/30ZR19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2015 Cadillac ATS?
Depending on trim, the 2015 Cadillac ATS accepts wheels from 18" 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 ATS use?
The 2015 Cadillac ATS 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.