1999 Mitsubishi Eclipse — Spyder GS
The 1999 Mitsubishi Eclipse Spyder GS 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.
195/70R14
| Section width | 195 mm |
|---|---|
| Aspect ratio (sidewall height) | 70% (136.5 mm) |
| Rim diameter | 14" |
| Overall tire diameter | ~24.7" |
| Revolutions per mile | ~815 |
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205/55R16
| Section width | 205 mm |
|---|---|
| Aspect ratio (sidewall height) | 55% (112.8 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~24.9" |
| Revolutions per mile | ~811 |
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What this size means for your Mitsubishi Eclipse
On the 1999 Mitsubishi Eclipse Spyder GS, the factory 195/70R14 measures about 24.7″ in overall diameter with a 136.5 mm (5.4″) sidewall, and completes roughly 815 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 small-diameter fitment typical of older or economy vehicles.
The 195/70R14 and 205/55R16 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 Mitsubishi Eclipse 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 1999 Mitsubishi Eclipse trims
- GS 205/55R16
- GS-T 205/55R16
- GSX 215/50R17
- RS 195/70R14 / 205/55R16
- Spyder GS-T 205/55R16
Mitsubishi Eclipse tire sizes by year
- 2012 Mitsubishi Eclipse 235/45R18
- 2011 Mitsubishi Eclipse 235/45R18
- 2010 Mitsubishi Eclipse 225/50R17
- 2009 Mitsubishi Eclipse 225/50R17
- 2008 Mitsubishi Eclipse 225/50R17 / 235/45R18
- 2007 Mitsubishi Eclipse 225/50R17 / 235/45R18
- 2006 Mitsubishi Eclipse 225/50R17 / 235/45R18
- 2005 Mitsubishi Eclipse 205/55R16
- 2004 Mitsubishi Eclipse 205/55R16
- 2003 Mitsubishi Eclipse 205/55R16
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.