2008 Mazda BT-50 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 2008 trim.

Tires for the 2008 Mazda BT-50

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

  1. 215/70R15 Best-rated standard on 4 trims · Latin America, Australia
  2. 235/75R15 Best-rated standard on 2 trims · Latin America, Australia
  3. 235/70R15 Best-rated optional on 4 trims · Latin America, Australia

Also listed: 245/70R16 235/65R16 255/65R17

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Trims sold in 2008
6
Generation
I (J97M) sold in 2 market versions

6 trims sold in 2008

Sold in 2 market versions. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Mazda BT-50 I (J97M)

2006–2011 6 trims

Latin America

4 trims
BT-50 2.2D +2 variants 102 hp · I4 · Diesel 215/70R15 106S 2 fitments

Same tires and wheels on: 2.5D, 2.6i

Generation
J97M · 2006–2011
Market
Latin America
Power
102 hp
Engine
I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R15 106SRim 15x6.5 ET55 6x139.732 psi
235/70R15 108SRim 15x6.5 ET55 6x139.732 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). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

BT-50 2.5TD 141 hp · I4 · Diesel 235/75R15 109S 2 fitments
Generation
J97M · 2006–2011
Market
Latin America
Power
141 hp
Engine
I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/75R15 109SRim 15x6.5 ET55 6x139.732 psi
245/70R16 111SRim 16x7 ET50 6x139.732 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Australia

2 trims
BT-50 2.5TD 141 hp · 2.5L WLAA I4 · Diesel 215/70R15 106S 3 fitments
Generation
J97M · 2006–2011
Market
Australia
Power
141 hp
Engine
2.5L WLAA I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R15 106SRim 15x6.5 ET55 6x139.732 psi
235/70R15 108SRim 15x6.5 ET55 6x139.732 psi
235/65R16 108SRim 16x7 ET50 6x139.732 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). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

BT-50 3.0TD 154 hp · I4 · Diesel 235/75R15 109S 3 fitments
Generation
J97M · 2006–2011
Market
Australia
Power
154 hp
Engine
I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
235/75R15 109SRim 15x6.5 ET55 6x139.732 psi
245/70R16 111SRim 16x7 ET50 6x139.732 psi
255/65R17 110TRim 17x7.5 ET50 6x139.735 psi

How to read 109S: 109 is the load index (up to 2,271 lb / 1,030 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET55 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 2008
6
Generation
I (J97M) sold in 2 market versions
Other years
All years (2006–2026)

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