2021 Mazda CX-8 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x114.3 on every 2021 trim.

Tires for the 2021 Mazda CX-8

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

  1. 225/65R17 Best-rated standard on 5 trims · optional on 2 · Southeast Asia, Australia, Japan, China
  2. 225/55R19 Best-rated standard on 3 trims · optional on 5 · Japan, Southeast Asia, Australia, China
  3. 245/50R19 Best-rated optional on 8 trims · Japan, Southeast Asia, Australia, China

Also listed: 245/45R20

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Trims sold in 2021
8
Generation
KG sold in 4 market versions

8 trims sold in 2021

Sold in 4 market versions with different tire sizes. 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 CX-8 KG

2017–2026 8 trims

Japan

3 trims
CX-8 2.2D (3DA-KG2P) +1 variant 197 hp · 2.2L SH-VPTS I4 · Diesel 225/65R17 102H 4 fitments

Same tires and wheels on: 2.5i (6BA-KG5P)

Generation
KG · 2017–2026
Market
Japan
Power
197 hp
Engine
2.2L SH-VPTS I4, Diesel
Center bore
67.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/65R17 102HRim 17x7 ET45 5x114.333 psi
225/55R19 99VRim 19x7 ET45 5x114.336 psi
245/50R19 101VRim 19x7.5 ET45 5x114.336 psi
245/45R20 99WRim 20x8 ET45 5x114.336 psi

How to read 102H: 102 is the load index (up to 1,874 lb / 850 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.

CX-8 2.5T (5BA-KG5P) 227 hp · 2.5L PY-VPTS I4 225/55R19 99V 4 fitments
Generation
KG · 2017–2026
Market
Japan
Power
227 hp
Engine
2.5L PY-VPTS I4, Petrol
Center bore
67.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/55R19 99VRim 19x7 ET45 5x114.336 psi
225/55R19 99VRim 19x7.5 ET45 5x114.336 psi
245/50R19 101VRim 19x7.5 ET45 5x114.336 psi
245/45R20 99WRim 20x8 ET45 5x114.336 psi

How to read 99V: 99 is the load index (up to 1,709 lb / 775 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Australia

2 trims
CX-8 2.2D +1 variant 188 hp · 2.2L SH-VPTS I4 · Diesel 225/65R17 102H 4 fitments

Same tires and wheels on: 2.5i

Generation
KG · 2017–2026
Market
Australia
Power
188 hp
Engine
2.2L SH-VPTS I4, Diesel
Center bore
67.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/65R17 102HRim 17x7 ET45 5x114.333 psi
225/55R19 99VRim 19x7 ET45 5x114.336 psi
245/50R19 101VRim 19x7.5 ET45 5x114.336 psi
245/45R20 99WRim 20x8 ET45 5x114.336 psi

How to read 102H: 102 is the load index (up to 1,874 lb / 850 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.

Southeast Asia

2 trims
CX-8 2.2D +1 variant 188 hp · 2.2L SH-VPTS I4 · Diesel 225/55R19 99V 4 fitments

Same tires and wheels on: 2.5i

Generation
KG · 2017–2026
Market
Southeast Asia
Power
188 hp
Engine
2.2L SH-VPTS I4, Diesel
Center bore
67.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/55R19 99VRim 19x7 ET45 5x114.336 psi
225/65R17 102HRim 17x7 ET45 5x114.333 psi
245/50R19 101VRim 19x7.5 ET45 5x114.336 psi
245/45R20 99WRim 20x8 ET45 5x114.336 psi

How to read 99V: 99 is the load index (up to 1,709 lb / 775 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

China

1 trim
CX-8 2.5i 189 hp · 2.5L PY-VPS I4 225/65R17 102H 4 fitments
Generation
KG · 2017–2026
Market
China
Power
189 hp
Engine
2.5L PY-VPS I4, Petrol
Center bore
67.1 mm
Bolt pattern
5x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
225/65R17 102HRim 17x7 ET45 5x114.333 psi
225/55R19 99VRim 19x7 ET45 5x114.336 psi
245/50R19 101VRim 19x7.5 ET45 5x114.336 psi
245/45R20 99WRim 20x8 ET45 5x114.336 psi

How to read 102H: 102 is the load index (up to 1,874 lb / 850 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 2021
8
Generation
KG sold in 4 market versions
Other years
All years (2017–2026)

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