Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/65-18 | 285/70-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.1 (840.7) | 33.71 (856.2) | 0.61 (15.5) 1.8% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 103.98 (2641.14) | 105.9 (2689.83) | 1.92 (48.69) 1.8% |
| Sidewall Height inches (mm) | 7.55 (191.75) | 7.85 (199.5) | 0.31 (7.75) 4% |
| Revolutions per mile (km) | 609.34 (378.62) | 598.31 (371.77) | -11.03 (-6.85) -1.8% |
285/70-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.37 mph (32.78 km/h) |
| 25 mph (40.23 km/h) | 25.46 mph (40.98 km/h) |
| 30 mph (48.28 km/h) | 30.55 mph (49.17 km/h) |
| 35 mph (56.33 km/h) | 35.65 mph (57.37 km/h) |
| 40 mph (64.37 km/h) | 40.74 mph (65.56 km/h) |
| 45 mph (72.42 km/h) | 45.83 mph (73.76 km/h) |
| 50 mph (80.47 km/h) | 50.92 mph (81.95 km/h) |
| 55 mph (88.51 km/h) | 56.01 mph (90.15 km/h) |
| 60 mph (96.56 km/h) | 61.11 mph (98.34 km/h) |
| 65 mph (104.61 km/h) | 66.2 mph (106.54 km/h) |
| 70 mph (112.65 km/h) | 71.29 mph (114.73 km/h) |
| 75 mph (120.7 km/h) | 76.38 mph (122.93 km/h) |
| 80 mph (128.75 km/h) | 81.47 mph (131.12 km/h) |
| 85 mph (136.79 km/h) | 86.57 mph (139.32 km/h) |
| 90 mph (144.84 km/h) | 91.66 mph (147.51 km/h) |
| 95 mph (152.89 km/h) | 96.75 mph (155.71 km/h) |
| 100 mph (160.93 km/h) | 101.84 mph (163.9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1523 | 1769 | 1905 | 1989 | 2080 | 2145 | 2216 | 2300 | 2417 | 2533 | 2663 | 2767 | 2954 | 3162 | 3324 | 3427 | 3486 | 3700 | 3998 | 4645 |
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