Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/85-18 | 295/75-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.07 (941.7) | 35.42 (899.7) | -1.65 (-42) -4.5% |
| Width inches (mm) | 11.22 (285) | 11.61 (295) | 0.39 (10) 3.5% |
| Circum. inches (mm) | 116.47 (2958.44) | 111.28 (2826.49) | -5.19 (-131.95) -4.5% |
| Sidewall Height inches (mm) | 9.54 (242.25) | 8.71 (221.25) | -0.83 (-21) -8.7% |
| Revolutions per mile (km) | 543.98 (338.02) | 569.38 (353.79) | 25.39 (15.78) 4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.11 mph (30.75 km/h) |
| 25 mph (40.23 km/h) | 23.88 mph (38.44 km/h) |
| 30 mph (48.28 km/h) | 28.66 mph (46.13 km/h) |
| 35 mph (56.33 km/h) | 33.44 mph (53.81 km/h) |
| 40 mph (64.37 km/h) | 38.22 mph (61.5 km/h) |
| 45 mph (72.42 km/h) | 42.99 mph (69.19 km/h) |
| 50 mph (80.47 km/h) | 47.77 mph (76.88 km/h) |
| 55 mph (88.51 km/h) | 52.55 mph (84.57 km/h) |
| 60 mph (96.56 km/h) | 57.32 mph (92.25 km/h) |
| 65 mph (104.61 km/h) | 62.1 mph (99.94 km/h) |
| 70 mph (112.65 km/h) | 66.88 mph (107.63 km/h) |
| 75 mph (120.7 km/h) | 71.65 mph (115.32 km/h) |
| 80 mph (128.75 km/h) | 76.43 mph (123.01 km/h) |
| 85 mph (136.79 km/h) | 81.21 mph (130.69 km/h) |
| 90 mph (144.84 km/h) | 85.99 mph (138.38 km/h) |
| 95 mph (152.89 km/h) | 90.76 mph (146.07 km/h) |
| 100 mph (160.93 km/h) | 95.54 mph (153.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1449 | 1683 | 1813 | 1893 | 1979 | 2041 | 2109 | 2189 | 2300 | 2411 | 2534 | 2633 | 2812 | 3009 | 3163 | 3262 | 3317 | 3521 | 3804 | 4421 |
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