Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-15 | 350/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.47 (901) | 36.54 (928) | 1.06 (27) 3% |
| Width inches (mm) | 12.8 (325) | 13.78 (350) | 0.98 (25) 7.7% |
| Circum. inches (mm) | 111.44 (2830.57) | 114.78 (2915.4) | 3.34 (84.82) 3% |
| Sidewall Height inches (mm) | 10.24 (260) | 8.27 (210) | -1.97 (-50) -19.2% |
| Revolutions per mile (km) | 568.56 (353.28) | 552.02 (343.01) | -16.54 (-10.28) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.15 km/h) |
| 25 mph (40.23 km/h) | 25.75 mph (41.44 km/h) |
| 30 mph (48.28 km/h) | 30.9 mph (49.73 km/h) |
| 35 mph (56.33 km/h) | 36.05 mph (58.02 km/h) |
| 40 mph (64.37 km/h) | 41.2 mph (66.3 km/h) |
| 45 mph (72.42 km/h) | 46.35 mph (74.59 km/h) |
| 50 mph (80.47 km/h) | 51.5 mph (82.88 km/h) |
| 55 mph (88.51 km/h) | 56.65 mph (91.17 km/h) |
| 60 mph (96.56 km/h) | 61.8 mph (99.45 km/h) |
| 65 mph (104.61 km/h) | 66.95 mph (107.74 km/h) |
| 70 mph (112.65 km/h) | 72.1 mph (116.03 km/h) |
| 75 mph (120.7 km/h) | 77.25 mph (124.32 km/h) |
| 80 mph (128.75 km/h) | 82.4 mph (132.61 km/h) |
| 85 mph (136.79 km/h) | 87.55 mph (140.89 km/h) |
| 90 mph (144.84 km/h) | 92.7 mph (149.18 km/h) |
| 95 mph (152.89 km/h) | 97.85 mph (157.47 km/h) |
| 100 mph (160.93 km/h) | 103 mph (165.76 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1405 | 1632 | 1757 | 1835 | 1919 | 1979 | 2044 | 2122 | 2230 | 2337 | 2457 | 2553 | 2726 | 2917 | 3067 | 3162 | 3216 | 3413 | 3688 | 4286 |
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