2009 Chevrolet TrailBlazer tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x127 on every 2009 trim.

Tires for the 2009 Chevrolet TrailBlazer

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

  1. 235/75R16 Best-rated standard on 2 trims · USA, Europe
  2. 245/65R17 Best-rated standard on 1 trim · optional on 2 · USA, Europe
  3. 255/50R20 Best-rated standard on 1 trim · USA

Also listed: 245/60R18

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Trims sold in 2009
4
Generation
I sold in 2 market versions

4 trims sold in 2009

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Chevrolet TrailBlazer I

2001–2009 4 trims

USA

3 trims
TrailBlazer 4.2 285 hp · I6 245/65R17 105S 2 fitments
Generation
I · 2001–2009
Market
USA
Power
285 hp
Engine
I6, Petrol
Center bore
77.8 mm
Bolt pattern
6x127
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/65R17 105SRim 17x7 ET50 6x12730 psi
245/60R18 104SRim 18x8 ET50 6x12730 psi

How to read 105S: 105 is the load index (up to 2,039 lb / 925 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET50 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

TrailBlazer 4.2 291 hp · 4.2L I6 235/75R16 106S 2 fitments
Generation
I · 2001–2009
Market
USA
Power
291 hp
Engine
4.2L I6, Petrol
Center bore
77.8 mm
Bolt pattern
6x127
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/75R16 106SRim 16x7 ET50 6x12730 psi
245/65R17 105SRim 17x7 ET50 6x12730 psi

How to read 106S: 106 is the load index (up to 2,094 lb / 950 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET50 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

TrailBlazer 6.0 395 hp · V8 255/50R20 104V 1 fitment
Generation
I · 2001–2009
Market
USA
Power
395 hp
Engine
V8, Petrol
Center bore
77.8 mm
Bolt pattern
6x127
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/50R20 104VRim 20x8 ET46 6x12732 psi

How to read 104V: 104 is the load index (up to 1,984 lb / 900 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Europe

1 trim
TrailBlazer 4.2 291 hp · 4.2L LL8 I6 235/75R16 106S 2 fitments
Generation
I · 2001–2009
Market
Europe
Power
291 hp
Engine
4.2L LL8 I6, Petrol
Center bore
77.8 mm
Bolt pattern
6x127
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/75R16 106SRim 16x7 ET50 6x12730 psi
245/65R17 105SRim 17x7 ET50 6x12730 psi

How to read 106S: 106 is the load index (up to 2,094 lb / 950 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET50 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 2009
4
Generation
I sold in 2 market versions
Other years
All years (2001–2026)

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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