Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/30-19 | 335/25-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.73 (653.6) | 26.59 (675.5) | 0.86 (21.9) 3.4% |
| Width inches (mm) | 11.22 (285) | 13.19 (335) | 1.97 (50) 17.5% |
| Circum. inches (mm) | 80.84 (2053.34) | 83.55 (2122.15) | 2.71 (68.8) 3.4% |
| Sidewall Height inches (mm) | 3.37 (85.5) | 3.3 (83.75) | -0.07 (-1.75) -2% |
| Revolutions per mile (km) | 783.77 (487.01) | 758.36 (471.22) | -25.41 (-15.79) -3.2% |
335/25-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.27 km/h) |
| 25 mph (40.23 km/h) | 25.84 mph (41.58 km/h) |
| 30 mph (48.28 km/h) | 31.01 mph (49.9 km/h) |
| 35 mph (56.33 km/h) | 36.17 mph (58.21 km/h) |
| 40 mph (64.37 km/h) | 41.34 mph (66.53 km/h) |
| 45 mph (72.42 km/h) | 46.51 mph (74.85 km/h) |
| 50 mph (80.47 km/h) | 51.68 mph (83.16 km/h) |
| 55 mph (88.51 km/h) | 56.84 mph (91.48 km/h) |
| 60 mph (96.56 km/h) | 62.01 mph (99.8 km/h) |
| 65 mph (104.61 km/h) | 67.18 mph (108.11 km/h) |
| 70 mph (112.65 km/h) | 72.35 mph (116.43 km/h) |
| 75 mph (120.7 km/h) | 77.51 mph (124.75 km/h) |
| 80 mph (128.75 km/h) | 82.68 mph (133.06 km/h) |
| 85 mph (136.79 km/h) | 87.85 mph (141.38 km/h) |
| 90 mph (144.84 km/h) | 93.02 mph (149.69 km/h) |
| 95 mph (152.89 km/h) | 98.18 mph (158.01 km/h) |
| 100 mph (160.93 km/h) | 103.35 mph (166.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1930 | 2242 | 2414 | 2521 | 2636 | 2718 | 2809 | 2915 | 3063 | 3211 | 3375 | 3507 | 3745 | 4008 | 4213 | 4344 | 4418 | 4689 | 5067 | 5888 |
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