tirewheelguide

1970 Pontiac GTO tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120.65 on every 1970 trim.

Tires for the 1970 Pontiac GTO

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

  1. 195xR14 standard on 3 trims
    Check price on Amazon · 195xR14
  2. 205/75R14 Best-rated optional on 3 trims
    Check price on Amazon · 205/75R14
  3. 235/60R15 Best-rated optional on 3 trims
    Check price on Amazon · 235/60R15

Also listed: 225/60R15 225/65R15

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

Trims sold in 1970
3
Generation
A-body

3 trims sold in 1970

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

Pontiac GTO A-body

1964–1967 3 trims
GTO 5.7 +1 variant N/A · V8 195x SR14 4 fitments

Same tires and wheels on: 7.5

Generation
A-body · 1964–1967
Power
N/A
Engine
V8, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
7/16" - 20 UNF
Check price on Amazon · 195xR14 Wheels 14x6 ET8 · 5x120.65 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
195x SR14Rim 14x6 ET8 5x120.65–
205/75SR14Rim 14x7 ET12 5x120.65–
225/60HR15Rim 15x7 ET12 5x120.65–
235/60HR15Rim 15x7 ET0 5x120.65–
GTO 6.6 N/A · V8 195x SR14 4 fitments
Generation
A-body · 1964–1967
Power
N/A
Engine
V8, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
7/16" - 20 UNF
Check price on Amazon · 195xR14 Wheels 14x6 ET8 · 5x120.65 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
195x SR14Rim 14x6 ET8 5x120.65–
205/75SR14Rim 14x7 ET12 5x120.65–
225/65HR15Rim 15x7 ET12 5x120.65–
235/60HR15Rim 15x7 ET0 5x120.65–
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 1970
3
Generation
A-body
Other years
All years (1964–2006)

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