Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 260/70-17 | 270/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.33 (795.8) | 34.01 (863.8) | 2.68 (68) 8.5% |
| Width inches (mm) | 10.24 (260) | 10.63 (270) | 0.39 (10) 3.8% |
| Circum. inches (mm) | 98.43 (2500.08) | 106.84 (2713.71) | 8.41 (213.63) 8.5% |
| Sidewall Height inches (mm) | 7.17 (182) | 8.5 (216) | 1.34 (34) 18.7% |
| Revolutions per mile (km) | 643.72 (399.99) | 593.04 (368.5) | -50.67 (-31.49) -7.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.71 mph (34.94 km/h) |
| 25 mph (40.23 km/h) | 27.14 mph (43.67 km/h) |
| 30 mph (48.28 km/h) | 32.56 mph (52.41 km/h) |
| 35 mph (56.33 km/h) | 37.99 mph (61.14 km/h) |
| 40 mph (64.37 km/h) | 43.42 mph (69.87 km/h) |
| 45 mph (72.42 km/h) | 48.85 mph (78.61 km/h) |
| 50 mph (80.47 km/h) | 54.27 mph (87.34 km/h) |
| 55 mph (88.51 km/h) | 59.7 mph (96.08 km/h) |
| 60 mph (96.56 km/h) | 65.13 mph (104.81 km/h) |
| 65 mph (104.61 km/h) | 70.55 mph (113.55 km/h) |
| 70 mph (112.65 km/h) | 75.98 mph (122.28 km/h) |
| 75 mph (120.7 km/h) | 81.41 mph (131.01 km/h) |
| 80 mph (128.75 km/h) | 86.84 mph (139.75 km/h) |
| 85 mph (136.79 km/h) | 92.26 mph (148.48 km/h) |
| 90 mph (144.84 km/h) | 97.69 mph (157.22 km/h) |
| 95 mph (152.89 km/h) | 103.12 mph (165.95 km/h) |
| 100 mph (160.93 km/h) | 108.54 mph (174.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1509 | 1753 | 1888 | 1972 | 2061 | 2126 | 2196 | 2280 | 2395 | 2511 | 2639 | 2742 | 2928 | 3134 | 3295 | 3397 | 3455 | 3667 | 3962 | 4605 |
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