2007 Bentley Arnage — T
The 2007 Bentley Arnage T 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.
255/50R18
| Section width | 255 mm |
|---|---|
| Aspect ratio (sidewall height) | 50% (127.5 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~28" |
| Revolutions per mile | ~719 |
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255/45R19
| Section width | 255 mm |
|---|---|
| Aspect ratio (sidewall height) | 45% (114.8 mm) |
| Rim diameter | 19" |
| Overall tire diameter | ~28" |
| Revolutions per mile | ~719 |
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What this size means for your Bentley Arnage
On the 2007 Bentley Arnage T, the factory 255/50R18 measures about 28″ in overall diameter with a 127.5 mm (5″) sidewall, and completes roughly 719 revolutions per mile. Its 50-series aspect ratio gives a balanced everyday-passenger profile — enough sidewall to soak up road shock while keeping steering response crisp. In tire terms it is a passenger (P-metric / Euro-metric) size.
The 255/50R18 and 255/45R19 roll within 0″ (0%) 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 Bentley Arnage 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 Bentley Arnage trims
Bentley Arnage tire sizes by year
- 2009 Bentley Arnage 255/40R20
- 2008 Bentley Arnage 255/50R18 / 255/45R19
- 2006 Bentley Arnage 255/50R18 / 255/45R19
- 2005 Bentley Arnage 255/50R18 / 255/45R19
- 2004 Bentley Arnage 255/50R18 / 255/45R19
- 2003 Bentley Arnage 255/50R18 / 255/45R19
- 2002 Bentley Arnage 255/50R18 / 255/45R19
- 2001 Bentley Arnage 255/50R18
- 2000 Bentley Arnage 255/50R18
- 1999 Bentley Arnage 255/55R17
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.