2000 Mercury Cougar — V6
The 2000 Mercury Cougar V6 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.
205/60R15
| Section width | 205 mm |
|---|---|
| Aspect ratio (sidewall height) | 60% (123 mm) |
| Rim diameter | 15" |
| Overall tire diameter | ~24.7" |
| Revolutions per mile | ~817 |
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215/50R16
| Section width | 215 mm |
|---|---|
| Aspect ratio (sidewall height) | 50% (107.5 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~24.5" |
| Revolutions per mile | ~824 |
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What this size means for your Mercury Cougar
On the 2000 Mercury Cougar V6, the factory 205/60R15 measures about 24.7″ in overall diameter with a 123 mm (4.8″) sidewall, and completes roughly 817 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 205/60R15 and 215/50R16 roll within 0.2″ (0.8%) 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 Mercury Cougar 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 2000 Mercury Cougar trims
- 4cyl 205/60R15 / 215/50R16
Mercury Cougar tire sizes by year
- 2002 Mercury Cougar 205/60R15 / 215/50R16
- 2001 Mercury Cougar 205/60R15 / 215/50R16
- 1999 Mercury Cougar 205/60R15 / 215/50R16
- 1997 Mercury Cougar 205/70R15 / 215/70R15 / 225/60R16
- 1996 Mercury Cougar 205/70R15 / 215/70R15
- 1995 Mercury Cougar 205/70R15 / 215/70R15
- 1994 Mercury Cougar 205/70R15 / 215/70R15
- 1993 Mercury Cougar 205/70R15 / 215/70R15
- 1992 Mercury Cougar 205/70R15 / 215/70R15
- 1991 Mercury Cougar 205/70R15
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.