Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/70-15 | 215/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.47 (647) | 27.7 (703.5) | 2.22 (56.5) 8.7% |
| Width inches (mm) | 7.48 (190) | 8.46 (215) | 0.98 (25) 13.2% |
| Circum. inches (mm) | 80.02 (2032.61) | 87.01 (2210.11) | 6.99 (177.5) 8.7% |
| Sidewall Height inches (mm) | 5.24 (133) | 6.35 (161.25) | 1.11 (28.25) 21.2% |
| Revolutions per mile (km) | 791.76 (491.98) | 728.17 (452.47) | -63.59 (-39.51) -8% |
215/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.75 mph (35 km/h) |
| 25 mph (40.23 km/h) | 27.18 mph (43.75 km/h) |
| 30 mph (48.28 km/h) | 32.62 mph (52.5 km/h) |
| 35 mph (56.33 km/h) | 38.06 mph (61.25 km/h) |
| 40 mph (64.37 km/h) | 43.49 mph (70 km/h) |
| 45 mph (72.42 km/h) | 48.93 mph (78.74 km/h) |
| 50 mph (80.47 km/h) | 54.37 mph (87.49 km/h) |
| 55 mph (88.51 km/h) | 59.8 mph (96.24 km/h) |
| 60 mph (96.56 km/h) | 65.24 mph (104.99 km/h) |
| 65 mph (104.61 km/h) | 70.68 mph (113.74 km/h) |
| 70 mph (112.65 km/h) | 76.11 mph (122.49 km/h) |
| 75 mph (120.7 km/h) | 81.55 mph (131.24 km/h) |
| 80 mph (128.75 km/h) | 86.99 mph (139.99 km/h) |
| 85 mph (136.79 km/h) | 92.42 mph (148.74 km/h) |
| 90 mph (144.84 km/h) | 97.86 mph (157.49 km/h) |
| 95 mph (152.89 km/h) | 103.3 mph (166.24 km/h) |
| 100 mph (160.93 km/h) | 108.73 mph (174.99 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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