2007 Infiniti QX56 — 2wd
The 2007 Infiniti QX56 2wd came from the factory equipped with 265/70R18 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
265/70R18
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 70% (185.5 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~32.6" |
| Revolutions per mile | ~619 |
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What this size means for your Infiniti QX56
On the 2007 Infiniti QX56 2wd, the factory 265/70R18 measures about 32.6″ in overall diameter with a 185.5 mm (7.3″) sidewall, and completes roughly 619 revolutions per mile. Its 70-series aspect ratio gives a tall sidewall of the kind used on trucks, SUVs, and older passenger cars, built for cushioning and load. In tire terms it is a passenger (P-metric / Euro-metric) size.
On a vehicle of this age, the Infiniti QX56 may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 2007 Infiniti QX56 trims
- 4wd 265/70R18
Infiniti QX56 tire sizes by year
- 2012 Infiniti QX56 275/60R20 / 275/50R22
- 2011 Infiniti QX56 275/60R20 / 275/50R22
- 2010 Infiniti QX56 275/60R20
- 2009 Infiniti QX56 275/60R20
- 2008 Infiniti QX56 275/60R20
- 2006 Infiniti QX56 265/70R18
- 2005 Infiniti QX56 265/70R18
- 2004 Infiniti QX56 265/70R18
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.