tirewheelguide

2012 MG 3 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 2012 trim.

Tires for the 2012 MG 3

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

  1. 185/65R15 Best-rated standard on 1 trim · optional on 1
    Check price on Amazon · 185/65R15
  2. 175/65R14 Best-rated standard on 1 trim
    Check price on Amazon · 175/65R14
  3. 185/70R14 Best-rated standard on 1 trim
    Check price on Amazon · 185/70R14

Also listed: 195/55R16 205/50R16 175/60R15 185/55R15 195/45R16 205/45R16 205/45R17

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Trims sold in 2012
3
Generations
II (ZP11)I

3 trims sold in 2012

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

MG 3 II (ZP11)

2011–2013 2 trims
3 1.3i 91 hp · 1.3L 13S4C I4 185/70R14 88H 4 fitments
Generation
II · 2011–2013
Power
91 hp
Engine
1.3L 13S4C I4, Petrol
Center bore
56.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/70R14 Wheels 14x5.5 ET45 · 4x100 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/70R14 88HRim 14x5.5 ET45 4x10030 psi
185/65R15 88HRim 15x6 ET50 4x10030 psi
195/55R16 87HRim 16x6.5 ET50 4x10030 psi
205/50R16 87VRim 16x6.5 ET50 4x10030 psi

How to read 88H: 88 is the load index (up to 1,235 lb / 560 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. Check a new wheel against the factory 14x5.5 ET45 in the offset and backspacing calculator.

3 1.5i 107 hp · 1.5L 15S4C I4 185/65R15 88H 4 fitments
Generation
II · 2011–2013
Power
107 hp
Engine
1.5L 15S4C I4, Petrol
Center bore
56.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/65R15 Wheels 15x6 ET50 · 4x100 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/65R15 88HRim 15x6 ET50 4x10030 psi
195/55R16 87HRim 16x6.5 ET50 4x10030 psi
205/50R16 87VRim 16x6.5 ET50 4x10030 psi
205/45R17 88VRim 17x7 ET48 4x10033 psi

How to read 88H: 88 is the load index (up to 1,235 lb / 560 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET50 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

MG 3 I

2008–2012 1 trim
3 1.4i 102 hp · 1.4L N/K I4 175/65R14 86T 5 fitments
Generation
I · 2008–2012
Power
102 hp
Engine
1.4L N/K I4, Petrol
Center bore
56.1 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 175/65R14 Wheels 14x5.5 ET45 · 4x100 · 56.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
175/65R14 86TRim 14x5.5 ET45 4x10028 psi
175/60R15 85HRim 15x5.5 ET45 4x10029 psi
185/55R15 86HRim 15x6 ET50 4x10029 psi
195/45R16 84VRim 16x6 ET50 4x10030 psi
205/45R16 87VRim 16x6.5 ET48 4x10030 psi

How to read 86T: 86 is the load index (up to 1,168 lb / 530 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.

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 2012
3
Generations
II (ZP11)I
Other years
All years (2008–2026)

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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