2005 Cadillac CTS Wheel & Tire Sizes
Complete fitment guide for the 2005 Cadillac CTS: 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
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2005 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.
2005 Cadillac CTS Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2005 Cadillac CTS configuration. Trims with different front and rear specs run a staggered setup.
2.8i · Saloon
2.8L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–20" |
| Wheel width | 7–9" |
| Wheel offset | 33–45 mm |
| Tire width | 225–255 mm |
3.6i · Saloon
Staggered3.6L · V6 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 17–20" | 17–20" |
| Wheel width | 7–9" | 8–10" |
| Wheel offset | 33–45 mm | 23–50 mm |
| Tire width | 225 mm | 245–255 mm |
2005 Cadillac CTS Fitment FAQ
What is the bolt pattern on a 2005 Cadillac CTS?
The 2005 Cadillac CTS 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 2005 Cadillac CTS?
Factory (OEM) tire sizes for the 2005 Cadillac CTS include 225/55R16, 225/50R17, 225/45R18, 245/40R18, 225/40ZR19, 255/35ZR19; staggered rear fitments use 245/45R17, 255/40R18, 255/35ZR19. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2005 Cadillac CTS?
Depending on trim, the 2005 Cadillac CTS accepts wheels from 16" 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 2005 Cadillac CTS use?
The 2005 Cadillac CTS uses M12 x 1.5 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.