Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 27.7 (703.5) | -1.77 (-45) -6% |
| Width inches (mm) | 9.65 (245) | 8.46 (215) | -1.18 (-30) -12.2% |
| Circum. inches (mm) | 92.58 (2351.48) | 87.01 (2210.11) | -5.57 (-141.37) -6% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 6.35 (161.25) | -0.89 (-22.5) -12.2% |
| Revolutions per mile (km) | 684.4 (425.26) | 728.17 (452.47) | 43.78 (27.2) 6.4% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.8 mph (30.25 km/h) |
| 25 mph (40.23 km/h) | 23.5 mph (37.81 km/h) |
| 30 mph (48.28 km/h) | 28.2 mph (45.38 km/h) |
| 35 mph (56.33 km/h) | 32.9 mph (52.94 km/h) |
| 40 mph (64.37 km/h) | 37.6 mph (60.5 km/h) |
| 45 mph (72.42 km/h) | 42.29 mph (68.07 km/h) |
| 50 mph (80.47 km/h) | 46.99 mph (75.63 km/h) |
| 55 mph (88.51 km/h) | 51.69 mph (83.19 km/h) |
| 60 mph (96.56 km/h) | 56.39 mph (90.76 km/h) |
| 65 mph (104.61 km/h) | 61.09 mph (98.32 km/h) |
| 70 mph (112.65 km/h) | 65.79 mph (105.88 km/h) |
| 75 mph (120.7 km/h) | 70.49 mph (113.44 km/h) |
| 80 mph (128.75 km/h) | 75.19 mph (121.01 km/h) |
| 85 mph (136.79 km/h) | 79.89 mph (128.57 km/h) |
| 90 mph (144.84 km/h) | 84.59 mph (136.13 km/h) |
| 95 mph (152.89 km/h) | 89.29 mph (143.7 km/h) |
| 100 mph (160.93 km/h) | 93.99 mph (151.26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1853 | 2153 | 2318 | 2421 | 2531 | 2610 | 2697 | 2799 | 2941 | 3083 | 3241 | 3367 | 3596 | 3848 | 4045 | 4171 | 4242 | 4503 | 4865 | 5654 |
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