Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-19 | 285/65-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.1 (739.1) | 33.59 (853.1) | 4.49 (114) 15.4% |
| Width inches (mm) | 11.22 (285) | 11.22 (285) | 0 (0) 0% |
| Circum. inches (mm) | 91.42 (2321.95) | 105.52 (2680.09) | 14.1 (358.14) 15.4% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 7.29 (185.25) | 2.24 (57) 44.4% |
| Revolutions per mile (km) | 693.1 (430.67) | 600.48 (373.12) | -92.62 (-57.55) -13.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.08 mph (37.15 km/h) |
| 25 mph (40.23 km/h) | 28.86 mph (46.44 km/h) |
| 30 mph (48.28 km/h) | 34.63 mph (55.73 km/h) |
| 35 mph (56.33 km/h) | 40.4 mph (65.02 km/h) |
| 40 mph (64.37 km/h) | 46.17 mph (74.3 km/h) |
| 45 mph (72.42 km/h) | 51.94 mph (83.59 km/h) |
| 50 mph (80.47 km/h) | 57.71 mph (92.88 km/h) |
| 55 mph (88.51 km/h) | 63.48 mph (102.17 km/h) |
| 60 mph (96.56 km/h) | 69.25 mph (111.45 km/h) |
| 65 mph (104.61 km/h) | 75.03 mph (120.74 km/h) |
| 70 mph (112.65 km/h) | 80.8 mph (130.03 km/h) |
| 75 mph (120.7 km/h) | 86.57 mph (139.32 km/h) |
| 80 mph (128.75 km/h) | 92.34 mph (148.61 km/h) |
| 85 mph (136.79 km/h) | 98.11 mph (157.89 km/h) |
| 90 mph (144.84 km/h) | 103.88 mph (167.18 km/h) |
| 95 mph (152.89 km/h) | 109.65 mph (176.47 km/h) |
| 100 mph (160.93 km/h) | 115.42 mph (185.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1528 | 1775 | 1912 | 1996 | 2087 | 2152 | 2224 | 2308 | 2425 | 2543 | 2673 | 2777 | 2965 | 3173 | 3336 | 3440 | 3498 | 3713 | 4012 | 4662 |
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