Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 27.7 (703.5) | 3.13 (79.5) 12.7% |
| Width inches (mm) | 5.31 (135) | 8.46 (215) | 3.15 (80) 59.3% |
| Circum. inches (mm) | 77.18 (1960.35) | 87.01 (2210.11) | 9.83 (249.76) 12.7% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 6.35 (161.25) | 1.56 (39.75) 32.7% |
| Revolutions per mile (km) | 820.95 (510.11) | 728.17 (452.47) | -92.77 (-57.65) -11.3% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.55 mph (36.29 km/h) |
| 25 mph (40.23 km/h) | 28.19 mph (45.36 km/h) |
| 30 mph (48.28 km/h) | 33.82 mph (54.43 km/h) |
| 35 mph (56.33 km/h) | 39.46 mph (63.5 km/h) |
| 40 mph (64.37 km/h) | 45.1 mph (72.58 km/h) |
| 45 mph (72.42 km/h) | 50.73 mph (81.65 km/h) |
| 50 mph (80.47 km/h) | 56.37 mph (90.72 km/h) |
| 55 mph (88.51 km/h) | 62.01 mph (99.79 km/h) |
| 60 mph (96.56 km/h) | 67.64 mph (108.86 km/h) |
| 65 mph (104.61 km/h) | 73.28 mph (117.93 km/h) |
| 70 mph (112.65 km/h) | 78.92 mph (127.01 km/h) |
| 75 mph (120.7 km/h) | 84.56 mph (136.08 km/h) |
| 80 mph (128.75 km/h) | 90.19 mph (145.15 km/h) |
| 85 mph (136.79 km/h) | 95.83 mph (154.22 km/h) |
| 90 mph (144.84 km/h) | 101.47 mph (163.29 km/h) |
| 95 mph (152.89 km/h) | 107.1 mph (172.37 km/h) |
| 100 mph (160.93 km/h) | 112.74 mph (181.44 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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