🚗 Porsche Boxster Tyre Size, Wheel Specs, PCD, Centre Bore & Torque Guide

🔧 Vehicle Overview

The Porsche Boxster is a mid-engine convertible sports car designed for balanced handling, open-top driving, and everyday usability. Across generations — 986, 987, 981, and 718 Boxster — tyre choice plays a major role in:

✔ Steering precision
✔ Ride comfort
✔ Handling balance

📊 Factory Wheel & Fitment Specifications

🔩 Core Fitment Data (Boxster – All Generations)

• Bolt Pattern (PCD): 5×130

• Centre Bore: 71.6 mm

• Wheel Bolt Thread: M14 × 1.5

• Wheel Nut Torque:

  • 986 / 987: 130 Nm

  • 981 / 718: 160 Nm

📌 Torque spec varies depending on generation

🛞 Factory Wheel Sizes & Offsets

🔹 Porsche Boxster 986 (1997–2004)

🔹 Porsche Boxster 987 (2005–2012)

🔹 Porsche Boxster 981 (2013–2016)

🔹 Porsche 718 Boxster (2017–Present)

📌 All Boxster models use staggered wheel setup

📏 Factory Tyre Sizes

🔹 Boxster 986

• Front: 205/55R16 / 205/50R17

• Rear: 225/50R16 / 255/40R17

🔹 Boxster 987

• Front: 205/55R17 / 235/40R18

• Rear: 235/50R17 / 265/40R18

🔹 Boxster 981

• Front: 235/45R18 / 235/40R19

• Rear: 265/45R18 / 265/40R19

🔹 718 Boxster

18 Inch:

• 235/45R18 (Front)

• 265/45R18 (Rear)

19 Inch:

• 235/40R19 (Front)

• 265/40R19 (Rear)

20 Inch:

• 235/35R20 (Front)

• 265/35R20 (Rear)

⚙️ Recommended Tyres (Australia)

🔥 Best Daily Performance

• Michelin Pilot Sport 4 / 4S (N-rated)

• Continental SportContact 7

• Pirelli P Zero

✔ Excellent grip
✔ Comfortable ride
✔ Ideal for daily driving

🏁 Performance Driving

• Michelin Pilot Sport 4S

• Continental SportContact 7

✔ Improved handling
✔ Better cornering stability

🏁 Track Setup (Optional)

• Michelin Pilot Sport Cup 2

✔ Maximum grip
✔ Track-ready performance

🔇 Comfort Option

• Continental MaxContact MC7
  ✔ Lower noise
  ✔ Better ride quality

⚙️ Aftermarket Upgrade Guide

✔ OEM+ Setup (Recommended)

• Maintain factory tyre sizes
  ✔ Best handling balance

✔ 19” / 20” Upgrade

• 235/35R20 + 265/35R20
  ✔ Improved steering response
  ✔ Sportier look

✔ Comfort Setup

• Touring-performance tyres
  ✔ Reduced road noise
  ✔ Better daily usability

⚠️ Critical Fitment Notes

• Boxster is mid-engine → sensitive to tyre balance

• Staggered setup = NO front-to-rear rotation

✔ Always use matched tyres

❌ Incorrect tyres may:

• Affect handling

• Reduce grip

• Increase wear

✔ Recommend N-rated tyres

🛠️ Torque & Installation Guide

• 986 / 987: 130 Nm

• 981 / 718: 160 Nm

✔ Re-torque after 50–100 km
✔ Always use torque wrench

🏪 Why Choose Autosport Tyreworld?

At Autosport Tyreworld, we specialise in Porsche sports cars:

✔ Boxster fitment expertise
✔ Correct staggered setup advice
✔ Premium tyre brands available
✔ Precision balancing & alignment

📍 Visit Our Stores

AUTOSPORT TYREWORLD

📍 647 Magill Road, Magill SA 5072
📞 0452 641 023

📍 411 Grand Junction Road, Wingfield SA 5013
📞 0433 645 411

📍 911 South Road, Clarence Gardens SA 5039
📞 0420 299 911