tirewheelguide

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

Bolt pattern 5x115 on every 2015 trim.

Tires for the 2015 Opel Astra GTC

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

  1. 225/55R17 Best-rated standard on 7 trims · optional on 6
    Check price on Amazon · 225/55R17
  2. 205/60R16 Best-rated standard on 6 trims
    Check price on Amazon · 205/60R16
  3. 235/45R18 Best-rated standard on 1 trim
    Check price on Amazon · 235/45R18

Also listed: 235/55R17 235/50R18 245/45R18 235/45R19 245/40R20 215/60R16 245/40R19 245/35R20

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

Trims sold in 2015
14
Generation
J

14 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.

Opel Astra GTC J

2011–2018 14 trims
Astra GTC 1.4 Turbo 118 hp · 1.4L B14NEL I4 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
118 hp
Engine
1.4L B14NEL I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11530 psi
215/60R16 99HRim 16x6.5 ET41 5x11530 psi
225/55R17 97HRim 17x7 ET41 5x11530 psi
225/55R17 97VRim 17x7 ET41 5x11530 psi
235/55R17 99VRim 17x7 ET41 5x11530 psi
235/50R18 97VRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x8 ET40 5x11530 psi
235/45R19 95WRim 19x8 ET36 5x11530 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Astra GTC 1.4 Turbo 138 hp · 1.4L B14NET I4 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
138 hp
Engine
1.4L B14NET I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11530 psi
215/60R16 99HRim 16x6.5 ET41 5x11530 psi
225/55R17 97HRim 17x7 ET41 5x11530 psi
225/55R17 97WRim 17x7 ET44 5x11530 psi
235/55R17 99VRim 17x7 ET41 5x11530 psi
235/50R18 97VRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x7.5 ET41 5x11530 psi
235/45R19 95WRim 19x8 ET36 5x11530 psi
245/40R20 95WRim 20x8.5 ET41 5x11533 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 1.4i 99 hp · 1.4L A14XER I4 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
99 hp
Engine
1.4L A14XER I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11530 psi
215/60R16 99HRim 16x6.5 ET41 5x11530 psi
225/55R17 97HRim 17x7 ET41 5x11530 psi
225/55R17 97WRim 17x7 ET44 5x11530 psi
235/55R17 99VRim 17x7 ET41 5x11530 psi
235/50R18 97WRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x8 ET40 5x11530 psi
235/45R19 95WRim 19x8 ET36 5x11530 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 1.6 CDTI 109 hp · 1.6L B16DTL I4 · Diesel 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
109 hp
Engine
1.6L B16DTL I4, Diesel
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11533 psi
215/60R16 99HRim 16x6.5 ET41 5x11533 psi
225/55R17 97HRim 17x7 ET41 5x11533 psi
225/55R17 97VRim 17x7 ET41 5x11533 psi
235/55R17 99VRim 17x7 ET41 5x11533 psi
235/50R18 97VRim 18x7.5 ET41 5x11533 psi
245/45R18 96WRim 18x7.5 ET41 5x11533 psi
245/45R18 96WRim 18x8 ET40 5x11533 psi
235/45R19 95WRim 19x8 ET36 5x11533 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 1.6 CDTI 134 hp · 1.6L B16DTH I4 · Diesel 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
134 hp
Engine
1.6L B16DTH I4, Diesel
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11533 psi
215/60R16 99HRim 16x6.5 ET41 5x11533 psi
225/55R17 97HRim 17x7 ET41 5x11533 psi
225/55R17 97VRim 17x7 ET41 5x11533 psi
235/55R17 99VRim 17x7 ET41 5x11533 psi
235/50R18 97VRim 18x7.5 ET41 5x11533 psi
245/45R18 96WRim 18x7.5 ET41 5x11533 psi
235/45R19 95WRim 19x8 ET36 5x11533 psi
245/40R20 95WRim 20x8.5 ET41 5x11533 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 1.6 Turbo +6 variants 168 hp · 1.6L A16XHT B16SHL I4 225/55R17 97H 7 fitments

Same tires and wheels on: 2.0 CDTI

Generation
J · 2011–2018
Power
168 hp
Engine
1.6L A16XHT B16SHL 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
225/55R17 97HRim 17x7 ET44 5x11533 psi
225/55R17 97VRim 17x7 ET41 5x11533 psi
235/55R17 99VRim 17x7 ET41 5x11533 psi
235/50R18 97VRim 18x7.5 ET41 5x11533 psi
245/45R18 96WRim 18x7.5 ET41 5x11533 psi
235/45R19 95WRim 19x8 ET36 5x11533 psi
245/40R20 95WRim 20x8.5 ET41 5x11533 psi

How to read 97H: 97 is the load index (up to 1,609 lb / 730 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET44 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 1.8i 138 hp · 1.8L A18XER I4 205/60R16 92H 9 fitments
Generation
J · 2011–2018
Power
138 hp
Engine
1.8L A18XER I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/60R16 Wheels 16x6.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/60R16 92HRim 16x6.5 ET41 5x11530 psi
215/60R16 99HRim 16x6.5 ET41 5x11530 psi
225/55R17 97HRim 17x7 ET41 5x11530 psi
225/55R17 97VRim 17x7 ET41 5x11530 psi
235/55R17 99VRim 17x7 ET41 5x11530 psi
235/50R18 97VRim 18x7.5 ET41 5x11530 psi
245/45R18 96WRim 18x7.5 ET41 5x11530 psi
235/45R19 95WRim 19x8 ET36 5x11530 psi
245/40R20 95WRim 20x8.5 ET41 5x11533 psi

How to read 92H: 92 is the load index (up to 1,389 lb / 630 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Astra GTC 2.0 Turbo 276 hp · 2.0L B20NFT I4 235/45R18 98H 4 fitments
Generation
J · 2011–2018
Power
276 hp
Engine
2.0L B20NFT I4, Petrol
Center bore
70.2 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 235/45R18 Wheels 18x7.5 ET41 · 5x115 · 70.2 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/45R18 98HRim 18x7.5 ET41 5x11535 psi
235/45R18 98WRim 18x7.5 ET41 5x11535 psi
245/40R19 98YRim 19x8 ET36 5x11535 psi
245/35R20 95YRim 20x8.5 ET41 5x11539 psi

How to read 98H: 98 is the load index (up to 1,653 lb / 750 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET41 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 2015
14
Generation
J
Other years
All years (2004–2018)

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