Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-13 | 205/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.93 (607.7) | 27.11 (688.5) | 3.18 (80.8) 13.3% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 75.16 (1909.15) | 85.16 (2162.99) | 9.99 (253.84) 13.3% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 6.05 (153.75) | 0.59 (15) 10.8% |
| Revolutions per mile (km) | 842.97 (523.79) | 744.04 (462.32) | -98.93 (-61.47) -11.7% |
205/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.66 mph (36.47 km/h) |
| 25 mph (40.23 km/h) | 28.32 mph (45.58 km/h) |
| 30 mph (48.28 km/h) | 33.99 mph (54.7 km/h) |
| 35 mph (56.33 km/h) | 39.65 mph (63.82 km/h) |
| 40 mph (64.37 km/h) | 45.32 mph (72.93 km/h) |
| 45 mph (72.42 km/h) | 50.98 mph (82.05 km/h) |
| 50 mph (80.47 km/h) | 56.65 mph (91.17 km/h) |
| 55 mph (88.51 km/h) | 62.31 mph (100.28 km/h) |
| 60 mph (96.56 km/h) | 67.98 mph (109.4 km/h) |
| 65 mph (104.61 km/h) | 73.64 mph (118.52 km/h) |
| 70 mph (112.65 km/h) | 79.31 mph (127.63 km/h) |
| 75 mph (120.7 km/h) | 84.97 mph (136.75 km/h) |
| 80 mph (128.75 km/h) | 90.64 mph (145.87 km/h) |
| 85 mph (136.79 km/h) | 96.3 mph (154.98 km/h) |
| 90 mph (144.84 km/h) | 101.97 mph (164.1 km/h) |
| 95 mph (152.89 km/h) | 107.63 mph (173.22 km/h) |
| 100 mph (160.93 km/h) | 113.3 mph (182.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1893 | 2200 | 2369 | 2474 | 2586 | 2667 | 2756 | 2860 | 3005 | 3150 | 3311 | 3440 | 3674 | 3932 | 4133 | 4262 | 4335 | 4601 | 4971 | 5777 |
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