tirewheelguide

1998 Mazda Roadster tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 1998 trim.

Tires for the 1998 Mazda Roadster

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

  1. 185/60R14 Best-rated standard on 4 trims
    Check price on Amazon · 185/60R14
  2. 195/50R15 Best-rated standard on 1 trim · optional on 4
    Check price on Amazon · 195/50R15
  3. 205/45R16 Best-rated optional on 4 trims
    Check price on Amazon · 205/45R16

Also listed: 205/50R15 195/45R16 215/35R17

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Trims sold in 1998
5
Generations
II (NB)I (NA)

5 trims sold in 1998

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

Mazda Roadster II (NB)

1998–2005 3 trims
Roadster 1.6i (GF-NB6C) 123 hp · I4 185/60R14 82H 3 fitments
Generation
NB · 1998–2005
Power
123 hp
Engine
I4, Petrol
Center bore
54.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/60R14 Wheels 14x6 ET40 · 4x100 · 54.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R14 82HRim 14x6 ET40 4x10026 psi
195/50R15 82VRim 15x6 ET40 4x10026 psi
195/45R16 82VRim 16x6 ET40 4x10029 psi

How to read 82H: 82 is the load index (up to 1,047 lb / 475 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Roadster 1.8i (GF-NB8C) 143 hp · I4 185/60R14 82H 3 fitments
Generation
NB · 1998–2005
Power
143 hp
Engine
I4, Petrol
Center bore
54.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/60R14 Wheels 14x6 ET40 · 4x100 · 54.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R14 82HRim 14x6 ET40 4x10026 psi
195/50R15 82VRim 15x6 ET40 4x10026 psi
205/45R16 83VRim 16x6.5 ET40 4x10029 psi

How to read 82H: 82 is the load index (up to 1,047 lb / 475 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Roadster 1.8i RS (GF-NB8C) 143 hp · I4 195/50R15 82V 3 fitments
Generation
NB · 1998–2005
Power
143 hp
Engine
I4, Petrol
Center bore
54.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 195/50R15 Wheels 15x6 ET40 · 4x100 · 54.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
195/50R15 82VRim 15x6 ET40 4x10026 psi
205/45R16 83VRim 16x6.5 ET40 4x10029 psi
215/35R17 83WRim 17x7 ET38 4x10030 psi

How to read 82V: 82 is the load index (up to 1,047 lb / 475 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Mazda Roadster I (NA)

1989–1998 2 trims
Roadster 1.8i (E-NA8C) 129 hp · 1.8L BP-ZE(RS) I4 185/60R14 82H 6 fitments
Generation
NA · 1989–1998
Power
129 hp
Engine
1.8L BP-ZE(RS) I4, Petrol
Center bore
54.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/60R14 Wheels 14x5.5 ET45 · 4x100 · 54.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R14 82HRim 14x5.5 ET45 4x10026 psi
185/60R14 82HRim 14x6 ET45 4x10026 psi
195/50R15 82VRim 15x6 ET45 4x10029 psi
205/50R15 86VRim 15x6.5 ET42 4x10029 psi
205/45R16 83WRim 16x6.5 ET42 4x10029 psi
205/45R16 83WRim 16x7 ET42 4x10029 psi

How to read 82H: 82 is the load index (up to 1,047 lb / 475 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Roadster 1.8i VR (E-NA8C) 129 hp · 1.8L BP-ZE(RS) I4 185/60R14 82H 6 fitments
Generation
NA · 1989–1998
Power
129 hp
Engine
1.8L BP-ZE(RS) I4, Petrol
Center bore
54.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/60R14 Wheels 14x6 ET45 · 4x100 · 54.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/60R14 82HRim 14x6 ET45 4x10026 psi
195/50R15 82VRim 15x6 ET45 4x10029 psi
205/50R15 86VRim 15x6.5 ET42 4x10029 psi
195/45R16 82VRim 16x6 ET45 4x10029 psi
205/45R16 83WRim 16x6.5 ET42 4x10029 psi
205/45R16 83WRim 16x7 ET42 4x10029 psi

How to read 82H: 82 is the load index (up to 1,047 lb / 475 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET45 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 1998
5
Generations
II (NB)I (NA)
Other years
All years (1989–2026)

Considering a different size?

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