Introduction
The Ferrari Portofino M is the upgraded version of the Portofino, featuring improved performance, an 8-speed dual-clutch transmission, and enhanced driving dynamics.
As a modern turbocharged GT convertible, correct tyre fitment and wheel specifications are essential to maintain grip, comfort, and stability.
At AUTOSPORT TYREWORLD Adelaide, we specialise in exotic and performance vehicles, providing expert tyre fitment, balancing, and wheel setup for vehicles like the Ferrari Portofino M.
This guide covers:
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All factory tyre sizes
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OEM wheel & rim specifications
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PCD, centre bore & offsets
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Correct torque specifications
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Best performance and touring tyre options
Ferrari Portofino M Factory Tyre Sizes
The Portofino M uses a staggered GT performance setup, designed for both comfort and performance.
20 Inch (Factory Setup)
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245/35ZR20 (Front)
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285/35ZR20 (Rear)
Factory tyres were typically:
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Michelin Pilot Sport 4S (Ferrari Spec)
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Pirelli P Zero (Ferrari Spec)
These sizes provide:
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Smooth ride quality
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Strong traction for turbocharged torque
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Stable high-speed cruising
Ferrari Portofino M Factory Wheel Specs
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Wheel Diameter: 20"
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Front Width: 8J
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Rear Width: 10J
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Offset (ET): Approx. +35 to +45
Bolt Pattern (PCD)
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5x114.3
Centre Bore
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67.1 mm (approx.)
Ensures proper hub-centric fitment.
Wheel Bolt Specifications
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Bolt Type: M14 x 1.5
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Seat Type: Ball Seat (Ferrari specific)
Torque Wrench Specification
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Approx. 160 Nm
Best practices:
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Tighten in star pattern
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Re-check after 50–100 km
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Always use torque wrench for final tightening
Tyre Requirements (Ferrari Portofino M)
The Portofino M is a modern GT convertible, requiring tyres that balance performance and comfort.
Key Requirements
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Strong rear traction
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Comfortable daily driving
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Excellent wet and dry grip
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Stable highway performance
Recommended Tyres (AUTOSPORT TYREWORLD Adelaide)
Best All-Round Performance
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Continental MaxContact MC7
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Michelin Pilot Sport 5
Maximum Performance
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Continental SportContact 7
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Michelin Pilot Sport 4S
Comfort & Touring
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Michelin Primacy 5
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Continental PremiumContact 6
Common Upgrade Considerations
At AUTOSPORT TYREWORLD, Ferrari Portofino M owners often choose:
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Performance tyre upgrades for improved grip
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Comfort-focused tyres for daily use
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Precision balancing for smooth ride quality
Why Proper Fitment Matters
Incorrect tyre or wheel setup can result in:
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Reduced comfort
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Uneven tyre wear
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Poor handling balance
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Safety risks
We ensure:
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Correct rolling diameter
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Proper load rating
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Ferrari-compliant fitment
Visit AUTOSPORT TYREWORLD Adelaide
Specialist performance tyre fitting and balancing available at:
Magill
647 Magill Road, Magill SA 5072
0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
0420 299 911