Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/90-14 | 90/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.09 (535.6) | 19.67 (499.6) | -1.42 (-36) -6.7% |
| Width inches (mm) | 3.94 (100) | 3.54 (90) | -0.39 (-10) -10% |
| Circum. inches (mm) | 66.25 (1682.64) | 61.79 (1569.54) | -4.45 (-113.1) -6.7% |
| Sidewall Height inches (mm) | 3.54 (90) | 2.83 (72) | -0.71 (-18) -20% |
| Revolutions per mile (km) | 956.44 (594.3) | 1025.36 (637.13) | 68.92 (42.82) 7.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.66 mph (30.02 km/h) |
| 25 mph (40.23 km/h) | 23.32 mph (37.53 km/h) |
| 30 mph (48.28 km/h) | 27.98 mph (45.04 km/h) |
| 35 mph (56.33 km/h) | 32.65 mph (52.54 km/h) |
| 40 mph (64.37 km/h) | 37.31 mph (60.05 km/h) |
| 45 mph (72.42 km/h) | 41.98 mph (67.55 km/h) |
| 50 mph (80.47 km/h) | 46.64 mph (75.06 km/h) |
| 55 mph (88.51 km/h) | 51.3 mph (82.56 km/h) |
| 60 mph (96.56 km/h) | 55.97 mph (90.07 km/h) |
| 65 mph (104.61 km/h) | 60.63 mph (97.58 km/h) |
| 70 mph (112.65 km/h) | 65.29 mph (105.08 km/h) |
| 75 mph (120.7 km/h) | 69.96 mph (112.59 km/h) |
| 80 mph (128.75 km/h) | 74.62 mph (120.09 km/h) |
| 85 mph (136.79 km/h) | 79.29 mph (127.6 km/h) |
| 90 mph (144.84 km/h) | 83.95 mph (135.11 km/h) |
| 95 mph (152.89 km/h) | 88.61 mph (142.61 km/h) |
| 100 mph (160.93 km/h) | 93.28 mph (150.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
