2003 Hummer H2 Tire Size

The original tire size for your 2003 Hummer H2 is listed below. Tap on the box to view a color-coded explanation of the best Hummer H2 tire size.

LT315/70R17/E

Simplified Size:  315-70-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2003 Hummer H2 is LT315/70R17/E.  A color-coded explanation of the 2003 Hummer H2's tire size is shown below.

LT

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
315

This number indicates that your tire has a width of 315 millimeters.

70

This number means that your tire has an aspect ratio of 70%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width.  In this case, the sidewall height works out to be 220 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

E

The mark of E denotes your tire's load range, or ply rating.  A load range of E means that the tire has a ply rating of 10.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.