Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/85-18 | 135/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.37 (720.7) | 26.57 (674.8) | -1.81 (-45.9) -6.4% |
| Width inches (mm) | 6.1 (155) | 5.31 (135) | -0.79 (-20) -12.9% |
| Circum. inches (mm) | 89.14 (2264.15) | 83.46 (2119.95) | -5.68 (-144.2) -6.4% |
| Sidewall Height inches (mm) | 5.19 (131.75) | 4.78 (121.5) | -0.4 (-10.25) -7.8% |
| Revolutions per mile (km) | 710.8 (441.67) | 759.14 (471.71) | 48.35 (30.04) 6.8% |
135/90-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.73 mph (30.14 km/h) |
| 25 mph (40.23 km/h) | 23.41 mph (37.67 km/h) |
| 30 mph (48.28 km/h) | 28.09 mph (45.21 km/h) |
| 35 mph (56.33 km/h) | 32.77 mph (52.74 km/h) |
| 40 mph (64.37 km/h) | 37.45 mph (60.27 km/h) |
| 45 mph (72.42 km/h) | 42.13 mph (67.81 km/h) |
| 50 mph (80.47 km/h) | 46.82 mph (75.34 km/h) |
| 55 mph (88.51 km/h) | 51.5 mph (82.88 km/h) |
| 60 mph (96.56 km/h) | 56.18 mph (90.41 km/h) |
| 65 mph (104.61 km/h) | 60.86 mph (97.95 km/h) |
| 70 mph (112.65 km/h) | 65.54 mph (105.48 km/h) |
| 75 mph (120.7 km/h) | 70.22 mph (113.01 km/h) |
| 80 mph (128.75 km/h) | 74.9 mph (120.55 km/h) |
| 85 mph (136.79 km/h) | 79.59 mph (128.08 km/h) |
| 90 mph (144.84 km/h) | 84.27 mph (135.62 km/h) |
| 95 mph (152.89 km/h) | 88.95 mph (143.15 km/h) |
| 100 mph (160.93 km/h) | 93.63 mph (150.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1932 | 2244 | 2417 | 2524 | 2639 | 2721 | 2811 | 2918 | 3066 | 3214 | 3379 | 3510 | 3749 | 4012 | 4217 | 4349 | 4423 | 4694 | 5072 | 5894 |
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