2006 Jaguar S-Type — 4.2
The 2006 Jaguar S-Type 4.2 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.
235/50R17
| Section width | 235 mm |
|---|---|
| Aspect ratio (sidewall height) | 50% (117.5 mm) |
| Rim diameter | 17" |
| Overall tire diameter | ~26.3" |
| Revolutions per mile | ~768 |
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245/40R18
| Section width | 245 mm |
|---|---|
| Aspect ratio (sidewall height) | 40% (98 mm) |
| Rim diameter | 18" |
| Overall tire diameter | ~25.7" |
| Revolutions per mile | ~784 |
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What this size means for your Jaguar S-Type
On the 2006 Jaguar S-Type 4.2, the factory 235/50R17 measures about 26.3″ in overall diameter with a 117.5 mm (4.6″) sidewall, and completes roughly 768 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 235/50R17 and 245/40R18 differ in both width and overall diameter (0.6″, 2.3%), which usually means a staggered front/rear setup — the two sizes are not interchangeable side to side, so match each to its correct axle.
On a vehicle of this age, the Jaguar S-Type 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 Jaguar S-Type trims
- 3.0 235/50R17 / 245/40R18
- 4.2 VDP Edition 235/50R17
- R 245/40R18 (Front) / 275/35R18 (Rear)
- Sport Package 245/40R18
Jaguar S-Type tire sizes by year
- 2008 Jaguar S-Type 235/50R17 / 245/40R18
- 2007 Jaguar S-Type 235/50R17 / 245/40R18
- 2005 Jaguar S-Type 245/40R18 (Front) / 275/35R18 (Rear)
- 2004 Jaguar S-Type 245/40R18 (Front) / 275/35R18 (Rear)
- 2003 Jaguar S-Type 245/40R18 (Front) / 275/35R18 (Rear)
- 2002 Jaguar S-Type 245/40R18 (Front) / 275/35R18 (Rear)
- 2001 Jaguar S-Type 225/55R16 / 235/50R17
- 2000 Jaguar S-Type 225/55R16 / 235/50R17
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.