Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-15 | 205/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.65 (677) | 27.11 (688.5) | 0.45 (11.5) 1.7% |
| Width inches (mm) | 7.28 (185) | 8.07 (205) | 0.79 (20) 10.8% |
| Circum. inches (mm) | 83.73 (2126.86) | 85.16 (2162.99) | 1.42 (36.13) 1.7% |
| Sidewall Height inches (mm) | 5.83 (148) | 6.05 (153.75) | 0.23 (5.75) 3.9% |
| Revolutions per mile (km) | 756.68 (470.18) | 744.04 (462.32) | -12.64 (-7.85) -1.7% |
205/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.92 km/h) |
| 30 mph (48.28 km/h) | 30.51 mph (49.1 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.28 km/h) |
| 40 mph (64.37 km/h) | 40.68 mph (65.47 km/h) |
| 45 mph (72.42 km/h) | 45.76 mph (73.65 km/h) |
| 50 mph (80.47 km/h) | 50.85 mph (81.83 km/h) |
| 55 mph (88.51 km/h) | 55.93 mph (90.02 km/h) |
| 60 mph (96.56 km/h) | 61.02 mph (98.2 km/h) |
| 65 mph (104.61 km/h) | 66.1 mph (106.38 km/h) |
| 70 mph (112.65 km/h) | 71.19 mph (114.57 km/h) |
| 75 mph (120.7 km/h) | 76.27 mph (122.75 km/h) |
| 80 mph (128.75 km/h) | 81.36 mph (130.93 km/h) |
| 85 mph (136.79 km/h) | 86.44 mph (139.12 km/h) |
| 90 mph (144.84 km/h) | 91.53 mph (147.3 km/h) |
| 95 mph (152.89 km/h) | 96.61 mph (155.49 km/h) |
| 100 mph (160.93 km/h) | 101.7 mph (163.67 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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