tirewheelguide

2015 Holden Astra GTC tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2015 trim.

Tires for the 2015 Holden Astra GTC

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

  1. 225/55R17 Best-rated standard on 2 trims
    Check price on Amazon · 225/55R17
  2. 235/50R18 Best-rated optional on 2 trims
    Check price on Amazon · 235/50R18
  3. 235/45R19 Best-rated optional on 2 trims
    Check price on Amazon · 235/45R19

TireWheelGuide may earn a commission from purchases made through these links.

Trims sold in 2015
2
Generation
PJ
Other years
All years (2015–2016)

2 trims sold in 2015

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

Holden Astra GTC PJ

2015–2016 2 trims
Astra GTC 1.6T AT +1 variant 168 hp · A16XHT I4 225/55R17 3 fitments

Same tires and wheels on: 1.6T MT

Generation
PJ · 2015–2016
Power
168 hp
Engine
A16XHT I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R17 Wheels 17x7 ET44 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R17Rim 17x7 ET44 5x11532 psi
235/50R18Rim 18x7.5 ET41 5x11535 psi
235/45R19Rim 19x8 ET36 5x11535 psi
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 2015
2
Generation
PJ
Other years
All years (2015–2016)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

Guides worth reading first

All articles
Basics

How to read a tire sidewall

Reading a tire sidewall is easy. Find out what the size, load index, speed rating and date code mean.

Continue reading
Guide

Everything you need to know about tire tread depth

Tire tread depth is an important factor in keeping your vehicle safe — how to measure it and when to replace.

Continue reading
Gear

Best supercapacitor jump starter review

We tested seven supercapacitor jump starters to find the ones worth buying.

Continue reading