Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-15 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.17 (741) | 29.06 (738) | -0.12 (-3) -0.4% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 91.65 (2327.92) | 91.28 (2318.5) | -0.37 (-9.42) -0.4% |
| Sidewall Height inches (mm) | 7.09 (180) | 7.03 (178.5) | -0.06 (-1.5) -0.8% |
| Revolutions per mile (km) | 691.32 (429.57) | 694.13 (431.31) | 2.81 (1.75) 0.4% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.92 mph (32.06 km/h) |
| 25 mph (40.23 km/h) | 24.9 mph (40.07 km/h) |
| 30 mph (48.28 km/h) | 29.88 mph (48.08 km/h) |
| 35 mph (56.33 km/h) | 34.86 mph (56.1 km/h) |
| 40 mph (64.37 km/h) | 39.84 mph (64.11 km/h) |
| 45 mph (72.42 km/h) | 44.82 mph (72.13 km/h) |
| 50 mph (80.47 km/h) | 49.8 mph (80.14 km/h) |
| 55 mph (88.51 km/h) | 54.78 mph (88.16 km/h) |
| 60 mph (96.56 km/h) | 59.76 mph (96.17 km/h) |
| 65 mph (104.61 km/h) | 64.74 mph (104.18 km/h) |
| 70 mph (112.65 km/h) | 69.72 mph (112.2 km/h) |
| 75 mph (120.7 km/h) | 74.7 mph (120.21 km/h) |
| 80 mph (128.75 km/h) | 79.68 mph (128.23 km/h) |
| 85 mph (136.79 km/h) | 84.66 mph (136.24 km/h) |
| 90 mph (144.84 km/h) | 89.64 mph (144.25 km/h) |
| 95 mph (152.89 km/h) | 94.62 mph (152.27 km/h) |
| 100 mph (160.93 km/h) | 99.6 mph (160.28 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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