Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/70-15 | 255/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.85 (682) | 29.06 (738) | 2.2 (56) 8.2% |
| Width inches (mm) | 8.46 (215) | 10.04 (255) | 1.57 (40) 18.6% |
| Circum. inches (mm) | 84.35 (2142.57) | 91.28 (2318.5) | 6.93 (175.93) 8.2% |
| Sidewall Height inches (mm) | 5.93 (150.5) | 7.03 (178.5) | 1.1 (28) 18.6% |
| Revolutions per mile (km) | 751.13 (466.73) | 694.13 (431.31) | -57 (-35.42) -7.6% |
255/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.64 mph (34.83 km/h) |
| 25 mph (40.23 km/h) | 27.05 mph (43.54 km/h) |
| 30 mph (48.28 km/h) | 32.46 mph (52.24 km/h) |
| 35 mph (56.33 km/h) | 37.87 mph (60.95 km/h) |
| 40 mph (64.37 km/h) | 43.28 mph (69.66 km/h) |
| 45 mph (72.42 km/h) | 48.7 mph (78.37 km/h) |
| 50 mph (80.47 km/h) | 54.11 mph (87.07 km/h) |
| 55 mph (88.51 km/h) | 59.52 mph (95.78 km/h) |
| 60 mph (96.56 km/h) | 64.93 mph (104.49 km/h) |
| 65 mph (104.61 km/h) | 70.34 mph (113.2 km/h) |
| 70 mph (112.65 km/h) | 75.75 mph (121.9 km/h) |
| 75 mph (120.7 km/h) | 81.16 mph (130.61 km/h) |
| 80 mph (128.75 km/h) | 86.57 mph (139.32 km/h) |
| 85 mph (136.79 km/h) | 91.98 mph (148.03 km/h) |
| 90 mph (144.84 km/h) | 97.39 mph (156.73 km/h) |
| 95 mph (152.89 km/h) | 102.8 mph (165.44 km/h) |
| 100 mph (160.93 km/h) | 108.21 mph (174.15 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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