Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/50-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.22 (666) | 27.7 (703.5) | 1.48 (37.5) 5.6% |
| Width inches (mm) | 11.22 (285) | 8.46 (215) | -2.76 (-70) -24.6% |
| Circum. inches (mm) | 82.37 (2092.3) | 87.01 (2210.11) | 4.64 (117.81) 5.6% |
| Sidewall Height inches (mm) | 5.61 (142.5) | 6.35 (161.25) | 0.74 (18.75) 13.2% |
| Revolutions per mile (km) | 769.17 (477.94) | 728.17 (452.47) | -41 (-25.48) -5.3% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.13 mph (34 km/h) |
| 25 mph (40.23 km/h) | 26.41 mph (42.5 km/h) |
| 30 mph (48.28 km/h) | 31.69 mph (51 km/h) |
| 35 mph (56.33 km/h) | 36.97 mph (59.5 km/h) |
| 40 mph (64.37 km/h) | 42.25 mph (68 km/h) |
| 45 mph (72.42 km/h) | 47.53 mph (76.5 km/h) |
| 50 mph (80.47 km/h) | 52.82 mph (85 km/h) |
| 55 mph (88.51 km/h) | 58.1 mph (93.5 km/h) |
| 60 mph (96.56 km/h) | 63.38 mph (102 km/h) |
| 65 mph (104.61 km/h) | 68.66 mph (110.5 km/h) |
| 70 mph (112.65 km/h) | 73.94 mph (119 km/h) |
| 75 mph (120.7 km/h) | 79.22 mph (127.5 km/h) |
| 80 mph (128.75 km/h) | 84.5 mph (136 km/h) |
| 85 mph (136.79 km/h) | 89.79 mph (144.5 km/h) |
| 90 mph (144.84 km/h) | 95.07 mph (153 km/h) |
| 95 mph (152.89 km/h) | 100.35 mph (161.5 km/h) |
| 100 mph (160.93 km/h) | 105.63 mph (170 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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