2000 Dodge Ram — 2500 Reg Cab 2wd
The 2000 Dodge Ram 2500 Reg Cab 2wd 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.
245/75R16
| Section width | 245 mm |
|---|---|
| Aspect ratio (sidewall height) | 75% (183.8 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~30.5" |
| Revolutions per mile | ~662 |
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265/75R16
| Section width | 265 mm |
|---|---|
| Aspect ratio (sidewall height) | 75% (198.8 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~31.6" |
| Revolutions per mile | ~637 |
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What this size means for your Dodge Ram
On the 2000 Dodge Ram 2500 Reg Cab 2wd, the factory 245/75R16 measures about 30.5″ in overall diameter with a 183.8 mm (7.2″) sidewall, and completes roughly 662 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 245/75R16 and 265/75R16 differ in both width and overall diameter (1.1″, 3.6%), 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 Dodge Ram 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 Dodge Ram trims
- 1500 ClubCab 2wd 225/75R16 / 245/75R16
- 1500 ClubCab 4wd 245/75R16 / 265/75R16 / 275/70R17
- 1500 QuadCab 2wd 225/75R16 / 245/75R16
- 1500 QuadCab 4wd 245/75R16 / 265/75R16 / 275/70R17
- 1500 Reg Cab 2wd 225/75R16 / 245/75R16
- 1500 Reg Cab 4wd 245/75R16 / 265/75R16 / 275/70R17
- 2500 QuadCab 2wd 245/75R16 / 265/75R16
- 2500 QuadCab 4wd 245/75R16 / 265/75R16
- 2500 Reg Cab 4wd 245/75R16 / 265/75R16
- 3500 QuadCab 2wd Dually 235/85R16
- 3500 QuadCab 4wd Dually 235/85R16
- 3500 Reg Cab 2wd Dually 235/85R16
- 3500 Reg Cab 4wd Dually 235/85R16
Dodge Ram tire sizes by year
- 2010 Dodge Ram 275/60R20
- 2009 Dodge Ram 275/60R20
- 2008 Dodge Ram 265/70R17
- 2007 Dodge Ram 265/70R17
- 2006 Dodge Ram 265/70R17
- 2005 Dodge Ram 245/70R17 / 265/70R17 / 275/60R20
- 2004 Dodge Ram 245/70R17 / 265/70R17 / 275/55R20
- 2003 Dodge Ram 245/70R17 / 265/70R17 / 275/55R20
- 2002 Dodge Ram 245/70R17 / 265/70R17 / 275/55R20
- 2001 Dodge Ram 225/75R16 / 245/75R16
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.