Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/85-18 | 295/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.07 (941.7) | 34.26 (870.2) | -2.81 (-71.5) -7.6% |
| Width inches (mm) | 11.22 (285) | 11.61 (295) | 0.39 (10) 3.5% |
| Circum. inches (mm) | 116.47 (2958.44) | 107.63 (2733.81) | -8.84 (-224.62) -7.6% |
| Sidewall Height inches (mm) | 9.54 (242.25) | 8.13 (206.5) | -1.41 (-35.75) -14.8% |
| Revolutions per mile (km) | 543.98 (338.02) | 588.68 (365.79) | 44.7 (27.77) 8.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.48 mph (29.74 km/h) |
| 25 mph (40.23 km/h) | 23.1 mph (37.18 km/h) |
| 30 mph (48.28 km/h) | 27.72 mph (44.61 km/h) |
| 35 mph (56.33 km/h) | 32.34 mph (52.05 km/h) |
| 40 mph (64.37 km/h) | 36.96 mph (59.49 km/h) |
| 45 mph (72.42 km/h) | 41.58 mph (66.92 km/h) |
| 50 mph (80.47 km/h) | 46.2 mph (74.36 km/h) |
| 55 mph (88.51 km/h) | 50.82 mph (81.79 km/h) |
| 60 mph (96.56 km/h) | 55.44 mph (89.23 km/h) |
| 65 mph (104.61 km/h) | 60.06 mph (96.67 km/h) |
| 70 mph (112.65 km/h) | 64.69 mph (104.1 km/h) |
| 75 mph (120.7 km/h) | 69.31 mph (111.54 km/h) |
| 80 mph (128.75 km/h) | 73.93 mph (118.97 km/h) |
| 85 mph (136.79 km/h) | 78.55 mph (126.41 km/h) |
| 90 mph (144.84 km/h) | 83.17 mph (133.84 km/h) |
| 95 mph (152.89 km/h) | 87.79 mph (141.28 km/h) |
| 100 mph (160.93 km/h) | 92.41 mph (148.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1498 | 1740 | 1874 | 1957 | 2046 | 2110 | 2180 | 2263 | 2378 | 2493 | 2620 | 2722 | 2907 | 3111 | 3270 | 3372 | 3430 | 3640 | 3933 | 4571 |
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