1999 Chevrolet S10 — 2wd Extra Cab
The 1999 Chevrolet S10 2wd Extra Cab 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.
205/75R15
| Section width | 205 mm |
|---|---|
| Aspect ratio (sidewall height) | 75% (153.8 mm) |
| Rim diameter | 15" |
| Overall tire diameter | ~27.1" |
| Revolutions per mile | ~744 |
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215/65R15
| Section width | 215 mm |
|---|---|
| Aspect ratio (sidewall height) | 65% (139.8 mm) |
| Rim diameter | 15" |
| Overall tire diameter | ~26" |
| Revolutions per mile | ~776 |
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What this size means for your Chevrolet S10
On the 1999 Chevrolet S10 2wd Extra Cab, the factory 205/75R15 measures about 27.1″ in overall diameter with a 153.8 mm (6.1″) sidewall, and completes roughly 744 revolutions per mile. Its 75-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 passenger (P-metric / Euro-metric) size.
The 205/75R15 and 215/65R15 differ in both width and overall diameter (1.1″, 4.2%), 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 Chevrolet S10 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 Chevrolet S10 trims
- 2wd 205/75R15 / 215/65R15
- 2wd Sport Pkg 235/55R16
- 4wd 205/75R15 / 235/70R15 / 235/75R15
- 4wd Extra Cab 205/75R15 / 235/70R15 / 235/75R15
- Chassis Package 31X10.50R15
- Xtreme 235/55R16
- ZR2 31X10.50R15
Chevrolet S10 tire sizes by year
- 2004 Chevrolet S10 235/70R15 / 235/75R15
- 2003 Chevrolet S10 235/70R15 / 235/75R15
- 2002 Chevrolet S10 235/70R15 / 235/75R15
- 2001 Chevrolet S10 205/75R15 / 235/55R16
- 2000 Chevrolet S10 205/75R15 / 235/55R16
- 1998 Chevrolet S10 205/75R15 / 215/65R15
- 1997 Chevrolet S10 205/75R15 / 215/65R15
- 1996 Chevrolet S10 205/75R15 / 235/55R16
- 1995 Chevrolet S10 205/75R15 / 235/55R16
- 1994 Chevrolet S10 205/75R15 / 215/65R15
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.