2008 Pontiac G6 Tire Size & Pressure

The 2008 Pontiac G6 tire size depends on trim: the Base, 2.4 B takes P215/60R16 94S; the GT, 2D Convertible, 3.9 1 takes P225/50R17 93S; the GT, 2D Coupe takes P225/50R17 93S; the Base, 3.5 N takes P215/60R16 94S; the GT, 2D Convertible, 3.5 N takes P225/50R17 93S; the GT, 4D Sedan takes P225/50R17 93S; the GXP, 4D Sedan takes P225/50R18 94T; the GXP, 2D Coupe takes P225/50R18 94T, per the factory service manual.

Factory-Spec Tire Size
Varies by trim
  • Base, 2.4 B: P215/60R16 94S
  • GT, 2D Convertible, 3.9 1: P225/50R17 93S
  • GT, 2D Coupe: P225/50R17 93S
  • Base, 3.5 N: P215/60R16 94S
  • GT, 2D Convertible, 3.5 N: P225/50R17 93S
  • GT, 4D Sedan: P225/50R17 93S
  • GXP, 4D Sedan: P225/50R18 94T
  • GXP, 2D Coupe: P225/50R18 94T

Base, 2.4 B

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP215/60R16 94SDoor Placard——

GT, 2D Convertible, 3.9 1

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R17 93SDoor Placard——
AllP225/50R18 94WDoor Placard——
AllP225/50R18 94TDoor Placard——

GT, 2D Coupe

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R17 93SDoor Placard——
AllP225/50R18 94WDoor Placard——

Base, 3.5 N

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP215/60R16 94SDoor Placard——

GT, 2D Convertible, 3.5 N

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R17 93SDoor Placard——
AllP225/50R18 94WDoor Placard——
AllP225/50R18 94TDoor Placard——

GT, 4D Sedan

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R17 93SDoor Placard——
AllP225/50R18 94WDoor Placard——

GXP, 4D Sedan

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R18 94TDoor Placard——
AllP225/50R18 94WDoor Placard——

GXP, 2D Coupe

Tire Specifications

PositionTire SizePressureLoad IndexSpeed Rating
AllP225/50R18 94TDoor Placard——
AllP225/50R18 94WDoor Placard——

Shop Tires & Wheels for Your G6

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More G6 Specs & Repair Guides

2008 Pontiac G6 Factory Service Manual2008 Pontiac G6 Oil Type & Capacity

Powered by factory manual data from our partner sites AllOEMManuals.com & WhatTypeOfOil.com.

Frequently Asked Questions

What size tires does a 2008 Pontiac G6 take?

It depends on the trim: Base, 2.4 B uses P215/60R16 94S; GT, 2D Convertible, 3.9 1 uses P225/50R17 93S; GT, 2D Coupe uses P225/50R17 93S; Base, 3.5 N uses P215/60R16 94S; GT, 2D Convertible, 3.5 N uses P225/50R17 93S; GT, 4D Sedan uses P225/50R17 93S; GXP, 4D Sedan uses P225/50R18 94T; GXP, 2D Coupe uses P225/50R18 94T.

What is the tire pressure for a 2008 Pontiac G6?

Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.

What is the bolt pattern on a 2008 Pontiac G6?

Bolt pattern data is available in the factory service manual.

Other Pontiac G6 Years

2010 G62009 G62007 G62006 G62005 G6

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