2018 Mazda BT-50 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 2018 trim.

Tires for the 2018 Mazda BT-50

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

  1. 215/70R16 Best-rated standard on 5 trims · Australia, Southeast Asia, Latin America
  2. 265/65R17 Best-rated standard on 3 trims · optional on 6 · Southeast Asia, Australia, Latin America
  3. 255/70R16 Best-rated standard on 3 trims · optional on 5 · Australia, Southeast Asia, Latin America

Also listed: 265/70R17 265/60R18 285/55R18 235/70R16

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Trims sold in 2018
12
Generation
II (UR, UP) sold in 3 market versions

12 trims sold in 2018

Sold in 3 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Mazda BT-50 II (UR, UP)

2015–2021 12 trims

Southeast Asia

5 trims
BT-50 2.2TD 148 hp · 2.2L MZ-CD I4 · Diesel 265/65R17 112T 3 fitments
Generation
UR Facelift · 2018–2021
Market
Southeast Asia
Power
148 hp
Engine
2.2L MZ-CD I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/65R17 112TRim 17x8 ET45 6x139.735 psi
265/60R18 110TRim 18x8 ET45 6x139.735 psi
285/55R18 110HRim 18x9 ET45 6x139.738 psi

How to read 112T: 112 is the load index (up to 2,469 lb / 1,120 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

BT-50 2.2TD 168 hp · 2.2L I4 · Diesel 215/70R16 108S 3 fitments
Generation
UR · 2015–2021
Market
Southeast Asia
Power
168 hp
Engine
2.2L I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R16 108SRim 16x6.5 ET55 6x139.735 psi
235/70R16 109TRim 16x6.5 ET55 6x139.735 psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 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 2.2TD 168 hp · 2.2L I4 · Diesel 215/70R16 108S 3 fitments
Generation
UR · 2015–2021
Market
Southeast Asia
Power
168 hp
Engine
2.2L I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R16 108SRim 16x6.5 ET55 6x139.735 psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 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 2.2TD 148 hp · 2.2L I4 · Diesel 265/65R17 112T 3 fitments
Generation
UR · 2015–2021
Market
Southeast Asia
Power
148 hp
Engine
2.2L I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi
265/60R18 110TRim 18x8 ET55 6x139.735 psi
285/55R18 110HRim 18x9 ET50 6x139.738 psi

How to read 112T: 112 is the load index (up to 2,469 lb / 1,120 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

BT-50 3.2TD 197 hp · 2.2L I5 · Diesel 265/65R17 112T 3 fitments
Generation
UR · 2015–2021
Market
Southeast Asia
Power
197 hp
Engine
2.2L I5, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi
265/60R18 110TRim 18x8 ET55 6x139.735 psi
285/55R18 110HRim 18x9 ET45 6x139.738 psi

How to read 112T: 112 is the load index (up to 2,469 lb / 1,120 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Australia

4 trims
BT-50 2.2TD 148 hp · 2.2L MZ-CD I4 · Diesel 215/70R16 106S 3 fitments
Generation
UR Facelift · 2018–2021
Market
Australia
Power
148 hp
Engine
2.2L MZ-CD I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R16 106SRim 16x6.5 ET55 6x139.735 psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET45 6x139.735 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 3.2TD 197 hp · 3.2L MZ-CD I5 · Diesel 255/70R16 111T 3 fitments
Generation
UR Facelift · 2018–2021
Market
Australia
Power
197 hp
Engine
3.2L MZ-CD I5, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET45 6x139.735 psi
265/60R18 110TRim 18x8 ET45 6x139.735 psi

How to read 111T: 111 is the load index (up to 2,403 lb / 1,090 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

BT-50 2.2TD 148 hp · 2.2L I4 · Diesel 215/70R16 108S 3 fitments
Generation
UR · 2015–2021
Market
Australia
Power
148 hp
Engine
2.2L I4, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R16 108SRim 16x6.5 ET55 6x139.735 psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 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 3.2TD 197 hp · 3.2L I5 · Diesel 255/70R16 111T 3 fitments
Generation
UR · 2015–2021
Market
Australia
Power
197 hp
Engine
3.2L I5, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi
265/60R18 110TRim 18x8 ET50 6x139.735 psi

How to read 111T: 111 is the load index (up to 2,403 lb / 1,090 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET55 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Latin America

3 trims
BT-50 2.5i 164 hp · 2.5L I4 215/70R16 108S 3 fitments
Generation
UR · 2015–2021
Market
Latin America
Power
164 hp
Engine
2.5L I4, Petrol
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/70R16 108SRim 16x6.5 ET55 6x139.735 psi
235/70R16 109TRim 16x6.5 ET55 6x139.735 psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi

How to read 108S: 108 is the load index (up to 2,205 lb / 1,000 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 3.2TD 197 hp · 3.2L I5 · Diesel 265/70R17 1 fitment
Generation
UR · 2015–2021
Market
Latin America
Power
197 hp
Engine
3.2L I5, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
265/70R17Rim 17x8 ET55 6x139.735 psi
BT-50 3.2TD 197 hp · 3.2L I5 · Diesel 255/70R16 111T 3 fitments
Generation
UR · 2015–2021
Market
Latin America
Power
197 hp
Engine
3.2L I5, Diesel
Center bore
93.1 mm
Bolt pattern
6x139.7
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
255/70R16 111TRim 16x7 ET55 6x139.735 psi
265/65R17 112TRim 17x8 ET55 6x139.735 psi
265/60R18 110TRim 18x8 ET50 6x139.735 psi

How to read 111T: 111 is the load index (up to 2,403 lb / 1,090 kg per tire) and T the speed rating (up to 118 mph / 190 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 2018
12
Generation
II (UR, UP) sold in 3 market versions
Other years
All years (2006–2026)

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