Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-15 | 205/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.39 (645) | 27.11 (688.5) | 1.71 (43.5) 6.7% |
| Width inches (mm) | 6.5 (165) | 8.07 (205) | 1.57 (40) 24.2% |
| Circum. inches (mm) | 79.78 (2026.33) | 85.16 (2162.99) | 5.38 (136.66) 6.7% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.05 (153.75) | 0.86 (21.75) 16.5% |
| Revolutions per mile (km) | 794.22 (493.5) | 744.04 (462.32) | -50.18 (-31.18) -6.3% |
205/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.35 mph (34.36 km/h) |
| 25 mph (40.23 km/h) | 26.69 mph (42.95 km/h) |
| 30 mph (48.28 km/h) | 32.02 mph (51.54 km/h) |
| 35 mph (56.33 km/h) | 37.36 mph (60.13 km/h) |
| 40 mph (64.37 km/h) | 42.7 mph (68.72 km/h) |
| 45 mph (72.42 km/h) | 48.03 mph (77.3 km/h) |
| 50 mph (80.47 km/h) | 53.37 mph (85.89 km/h) |
| 55 mph (88.51 km/h) | 58.71 mph (94.48 km/h) |
| 60 mph (96.56 km/h) | 64.05 mph (103.07 km/h) |
| 65 mph (104.61 km/h) | 69.38 mph (111.66 km/h) |
| 70 mph (112.65 km/h) | 74.72 mph (120.25 km/h) |
| 75 mph (120.7 km/h) | 80.06 mph (128.84 km/h) |
| 80 mph (128.75 km/h) | 85.4 mph (137.43 km/h) |
| 85 mph (136.79 km/h) | 90.73 mph (146.02 km/h) |
| 90 mph (144.84 km/h) | 96.07 mph (154.61 km/h) |
| 95 mph (152.89 km/h) | 101.41 mph (163.2 km/h) |
| 100 mph (160.93 km/h) | 106.74 mph (171.79 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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