Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/25-19 | 335/30-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25 (635.1) | 27.91 (709) | 2.91 (73.9) 11.6% |
| Width inches (mm) | 12.01 (305) | 13.19 (335) | 1.18 (30) 9.8% |
| Circum. inches (mm) | 78.55 (1995.23) | 87.69 (2227.39) | 9.14 (232.16) 11.6% |
| Sidewall Height inches (mm) | 3 (76.25) | 3.96 (100.5) | 0.95 (24.25) 31.8% |
| Revolutions per mile (km) | 806.6 (501.2) | 722.52 (448.96) | -84.07 (-52.24) -10.4% |
335/30-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.33 mph (35.93 km/h) |
| 25 mph (40.23 km/h) | 27.91 mph (44.92 km/h) |
| 30 mph (48.28 km/h) | 33.49 mph (53.9 km/h) |
| 35 mph (56.33 km/h) | 39.07 mph (62.88 km/h) |
| 40 mph (64.37 km/h) | 44.65 mph (71.86 km/h) |
| 45 mph (72.42 km/h) | 50.24 mph (80.85 km/h) |
| 50 mph (80.47 km/h) | 55.82 mph (89.83 km/h) |
| 55 mph (88.51 km/h) | 61.4 mph (98.81 km/h) |
| 60 mph (96.56 km/h) | 66.98 mph (107.8 km/h) |
| 65 mph (104.61 km/h) | 72.56 mph (116.78 km/h) |
| 70 mph (112.65 km/h) | 78.15 mph (125.76 km/h) |
| 75 mph (120.7 km/h) | 83.73 mph (134.75 km/h) |
| 80 mph (128.75 km/h) | 89.31 mph (143.73 km/h) |
| 85 mph (136.79 km/h) | 94.89 mph (152.71 km/h) |
| 90 mph (144.84 km/h) | 100.47 mph (161.69 km/h) |
| 95 mph (152.89 km/h) | 106.05 mph (170.68 km/h) |
| 100 mph (160.93 km/h) | 111.64 mph (179.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1839 | 2136 | 2300 | 2402 | 2512 | 2590 | 2676 | 2778 | 2918 | 3059 | 3216 | 3341 | 3568 | 3818 | 4014 | 4139 | 4209 | 4468 | 4828 | 5610 |
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