Alfa Romeo 156 Tyre Size Guide, Wheel Specs, Centre Bore & Torque Settings
The Alfa Romeo 156 remains one of the most iconic Italian sedans and wagons, known for sharp handling and distinctive design. Whether you own a Twin Spark, JTS, V6, or GTA, understanding correct tyre sizes and wheel specifications is essential for safety, performance, and compliance.
This guide covers all factory tyre sizes, wheel specifications, centre bore, and torque settings for the Alfa Romeo 156.
Alfa Romeo 156 Factory Tyre Sizes
Base Models (1.6 / 1.8 / 2.0 Twin Spark)
- 185/65R15
- 205/60R15
- 205/55R16
Mid-Spec & JTS Models
- 205/55R16
- 215/45R17
Sport Pack / V6 Models
- 215/45R17
- 225/45R17
GTA (High Performance Variant)
- 225/45R17
- Optional: 225/40R18
Alfa Romeo 156 Factory Wheel (Rim) Specifications
- PCD (Bolt Pattern): 5x98
- Wheel Sizes:
- 15x6.0J ET +37.5
- 15x6.5J ET +41.5
- 16x6.5J ET +41.5
- 17x7.0J ET + 40.5
- 17x7.5J ET +35.0
- 18x8.0J ET +30 (GTA optional)
Centre Bore (CB)
- Centre Bore: 58.1 mm
This is critical for proper wheel fitment. Incorrect CB can cause vibration if not properly hub-centric.
Wheel Nut / Bolt Torque Specification
- Torque Setting: 110 Nm
Recommended best practice:
- Tighten in a star pattern
- Re-check torque after 50–100 km
Recommended Tyres for Alfa Romeo 156
For optimal performance, handling, and comfort, we recommend:
- Continental MaxContact 7 – Excellent balance of comfort and grip
- Michelin Pilot Sport 5 – Premium performance and longevity
- Yokohama Advan AD09 – Ideal for spirited driving
- Continental UltraContact UC7 – Quiet and daily-friendly
Shop here:
https://autostw.com.au/search?type=product&q=Alfa+Romeo+156+tyres
Why Correct Fitment Matters
Incorrect tyre or wheel specifications can lead to:
- Poor handling and instability
- Increased tyre wear
- Brake clearance issues
- Safety risks at high speeds
Always match factory specifications or consult a professional before upgrading.
Available at Autosport Tyre World Adelaide
We supply and fit tyres for all Alfa Romeo models, including the 156, with expert advice and same-day service available.
Magill Store
647 Magill Road, Magill SA 5072
Phone: 0452 641 023
Wingfield Store
411 Grand Junction Road, Wingfield SA 5013
Phone: 0433 645 411
Clarence Gardens Store
911 South Road, Clarence Gardens SA 5039
Phone: 0420 299 911