Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/60-15 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.99 (711) | 29.06 (738) | 1.06 (27) 3.8% |
| Width inches (mm) | 10.83 (275) | 10.04 (255) | -0.79 (-20) -7.3% |
| Circum. inches (mm) | 87.94 (2233.67) | 91.28 (2318.5) | 3.34 (84.82) 3.8% |
| Sidewall Height inches (mm) | 6.5 (165) | 7.03 (178.5) | 0.53 (13.5) 8.2% |
| Revolutions per mile (km) | 720.49 (447.69) | 694.13 (431.31) | -26.36 (-16.38) -3.7% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.76 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.11 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.47 km/h) |
| 40 mph (64.37 km/h) | 41.52 mph (66.82 km/h) |
| 45 mph (72.42 km/h) | 46.71 mph (75.17 km/h) |
| 50 mph (80.47 km/h) | 51.9 mph (83.52 km/h) |
| 55 mph (88.51 km/h) | 57.09 mph (91.88 km/h) |
| 60 mph (96.56 km/h) | 62.28 mph (100.23 km/h) |
| 65 mph (104.61 km/h) | 67.47 mph (108.58 km/h) |
| 70 mph (112.65 km/h) | 72.66 mph (116.93 km/h) |
| 75 mph (120.7 km/h) | 77.85 mph (125.28 km/h) |
| 80 mph (128.75 km/h) | 83.04 mph (133.64 km/h) |
| 85 mph (136.79 km/h) | 88.23 mph (141.99 km/h) |
| 90 mph (144.84 km/h) | 93.42 mph (150.34 km/h) |
| 95 mph (152.89 km/h) | 98.61 mph (158.69 km/h) |
| 100 mph (160.93 km/h) | 103.8 mph (167.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1766 | 2052 | 2210 | 2308 | 2413 | 2488 | 2571 | 2668 | 2804 | 2939 | 3089 | 3210 | 3428 | 3668 | 3856 | 3976 | 4044 | 4292 | 4638 | 5390 |
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