tirewheelguide

2021 Cadillac XT4 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2021 trim.

Tires for the 2021 Cadillac XT4

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

  1. 235/60R18 Best-rated standard on 4 trims · Europe, USA
    Check price on Amazon · 235/60R18
  2. 235/55R18 Best-rated standard on 1 trim · China
    Check price on Amazon · 235/55R18
  3. 245/50R19 Best-rated optional on 5 trims · Europe, USA, China
    Check price on Amazon · 245/50R19

Also listed: 245/45R20 235/55R19 235/50R19

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

Trims sold in 2021
5
Generation
E2XX sold in 3 market versions

5 trims sold in 2021

Sold in 3 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.

Cadillac XT4 E2XX

2019–2023 5 trims

Europe

3 trims
XT4 2.0D +2 variants 172 hp · 2.0L LSQ I4 · Diesel 235/60R18 103V 4 fitments

Same tires and wheels on: 2.0T

Generation
E2XX · 2019–2023
Market
Europe
Power
172 hp
Engine
2.0L LSQ I4, Diesel
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/60R18 Wheels 18x8 ET37 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/60R18 103VRim 18x8 ET37 5x12033 psi
235/55R19 101VRim 19x8 ET37 5x12033 psi
245/50R19 101VRim 19x8 ET37 5x12033 psi
245/45R20 99WRim 20x8.5 ET37 5x12033 psi

How to read 103V: 103 is the load index (up to 1,929 lb / 875 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

China

1 trim
XT4 2.0T 233 hp · 2.0L LSY I4 · Hybrid 235/55R18 100V 4 fitments
Generation
E2XX · 2019–2023
Market
China
Power
233 hp
Engine
2.0L LSY I4, Hybrid
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/55R18 Wheels 18x8 ET37 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R18 100VRim 18x8 ET37 5x12033 psi
245/45R20 99WRim 20x8.5 ET37 5x12033 psi
235/50R19 99VRim 19x8 ET37 5x12033 psi
245/50R19 101VRim 19x8 ET37 5x12033 psi

How to read 100V: 100 is the load index (up to 1,764 lb / 800 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

1 trim
XT4 2.0T 237 hp · 2.0L LSY I4 235/60R18 103V 4 fitments
Generation
E2XX · 2019–2023
Market
USA
Power
237 hp
Engine
2.0L LSY I4, Petrol
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/60R18 Wheels 18x8 ET37 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/60R18 103VRim 18x8 ET37 5x12033 psi
235/55R19 101VRim 19x8 ET37 5x12033 psi
245/50R19 101VRim 19x8 ET37 5x12033 psi
245/45R20 99WRim 20x8.5 ET37 5x12033 psi

How to read 103V: 103 is the load index (up to 1,929 lb / 875 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET37 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
5
Generation
E2XX sold in 3 market versions
Other years
All years (2019–2025)

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