2009 Alfa Romeo 8C Competizione Wheel & Tire Sizes
Complete fitment guide for the 2009 Alfa Romeo 8C Competizione: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x110 bolt pattern — for every trim.
Bolt Pattern
5x110
Centre Bore
65.1 mm
Lug bolts
M14 x 1.5
Wheel Diameters
20"–21"
Factory (OEM) Tire Sizes for the 2009 Alfa Romeo 8C Competizione
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.
2009 Alfa Romeo 8C Competizione Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2009 Alfa Romeo 8C Competizione configuration. Trims with different front and rear specs run a staggered setup.
4.7i · Convertible
Staggered4.7L · V8 · Petrol
| Spec | Front | Rear |
|---|---|---|
| Wheel diameter | 20–21" | 20–21" |
| Wheel width | 8.5" | 10" |
| Wheel offset | 36 mm | 30 mm |
| Tire width | 245 mm | 275–285 mm |
2009 Alfa Romeo 8C Competizione Fitment FAQ
What is the bolt pattern on a 2009 Alfa Romeo 8C Competizione?
The 2009 Alfa Romeo 8C Competizione uses a 5x110 bolt pattern (5 lug bolts on a 110 mm circle) with a 65.1 mm centre bore.
What size tires fit a 2009 Alfa Romeo 8C Competizione?
Factory (OEM) tire sizes for the 2009 Alfa Romeo 8C Competizione include 245/35ZR20, 245/30ZR21; staggered rear fitments use 275/35ZR20, 285/30ZR21. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2009 Alfa Romeo 8C Competizione?
Depending on trim, the 2009 Alfa Romeo 8C Competizione accepts wheels from 20" up to 21" in diameter with the correct width and offset — larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug bolt size does a 2009 Alfa Romeo 8C Competizione use?
The 2009 Alfa Romeo 8C Competizione uses M14 x 1.5 lug bolts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.