2006 Infiniti FX35 — AWD
The 2006 Infiniti FX35 AWD shipped with 2 different factory tire sizes, depending on the wheel package it left the factory with (this can also reflect a staggered front/rear setup). Check your tire sidewall or door placard to confirm which one applies to your vehicle.
This trim shipped with more than one tire size (staggered fitment, front/rear, or optional wheel package). Confirm which one matches your vehicle by checking your tire sidewall or door placard.
265/60R18
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 60% (159 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~30.5" |
| Revolutions per mile | ~661 |
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265/50R20
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 50% (132.5 mm) |
| Rim diameter | 20" |
| Overall tire diameter | ~30.4" |
| Revolutions per mile | ~663 |
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What this size means for your Infiniti FX35
On the 2006 Infiniti FX35 AWD, the factory 265/60R18 measures about 30.5″ in overall diameter with a 159 mm (6.3″) sidewall, and completes roughly 661 revolutions per mile. Its 60-series aspect ratio gives a taller, comfort-biased sidewall that favors ride quality and shrugs off rough pavement. In tire terms it is a passenger (P-metric / Euro-metric) size.
The 265/60R18 and 265/50R20 roll within 0.1″ (0.3%) of each other in overall diameter, so they are interchangeable from a speedometer standpoint — the second size is an optional wheel package rather than a different rolling size.
On a vehicle of this age, the Infiniti FX35 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 2006 Infiniti FX35 trims
- AWD with run flat tires 265/50R20
- RWD 265/60R18 / 265/50R20
- RWD with run flat tires 265/50R20
Infiniti FX35 tire sizes by year
- 2012 Infiniti FX35 265/60R18 / 265/50R20
- 2011 Infiniti FX35 265/60R18 / 265/50R20
- 2010 Infiniti FX35 265/60R18 / 265/50R20
- 2009 Infiniti FX35 265/60R18 / 265/50R20
- 2008 Infiniti FX35 265/60R18 / 265/50R20
- 2007 Infiniti FX35 265/60R18 / 265/50R20
- 2005 Infiniti FX35 265/60R18 / 265/50R20
- 2004 Infiniti FX35 265/60R18 / 265/50R20
- 2003 Infiniti FX35 265/60R18 / 265/50R20
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.