2006 Pontiac Montana tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x114.3 on every 2006 trim.

Tires for the 2006 Pontiac Montana

Sizes most trims come with first. Open your trim below for its exact size.

  1. 225/60R17 Best-rated standard on 2 trims
  2. 225/55R18 Best-rated optional on 1 trim
  3. 235/55R18 Best-rated optional on 1 trim

Also listed: 245/50R18 245/45R19

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Trims sold in 2006
2
Generation
GMT201

2 trims sold in 2006

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Pontiac Montana GMT201

2005–2009 2 trims
Montana 3.5i 200 hp · V6 225/60R17 98H 3 fitments
Generation
GMT201 · 2005–2009
Power
200 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
6x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/60R17 98HRim 17x6.5 ET52 6x114.335 psi
225/55R18 97HRim 18x7 ET50 6x114.335 psi
245/50R18 97VRim 18x7.5 ET50 6x114.335 psi

How to read 98H: 98 is the load index (up to 1,653 lb / 750 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET52 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Montana 3.9i 240 hp · V6 225/60R17 98H 3 fitments
Generation
GMT201 · 2005–2009
Power
240 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
6x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/60R17 98HRim 17x6.5 ET52 6x114.335 psi
235/55R18 97VRim 18x7.5 ET50 6x114.335 psi
245/45R19 95VRim 19x8 ET45 6x114.336 psi

How to read 98H: 98 is the load index (up to 1,653 lb / 750 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET52 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 2006
2
Generation
GMT201
Other years
All years (1997–2009)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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